Bmw N52 Common Misfires , Rough Running , Coolant Leaks , Stalling Issues , Jerking Issues P0300

Bmw N52 Common Misfires , Rough Running , Coolant Leaks , Stalling Issues , Jerking Issues
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[@Locustandhoney]

This video and others done by this channel are hands down the most important video(s) for anyone who owns a BMW and especially one with an N52.

[@mastermine4eternity243]

Welcome to my life. You have made so much nerve-wracking troubles about BMW disappear for me. I usually maintain my car by myself. With this video is can continue doing so. Another 10,000 MLS. Thank you

[@BMWDoctor]

No problem mate your welcome

[@11122damn]

Bmw Doctor just l want help me please with key l replace the battery for my key it’s the slider one but the locked and unlocked don’t work but when l put in the and press the button the car working no problem can u help please please it bmw e60 n52 model 2006 525i

[@canalcarbrasil57]

Boa noite amigo..onde fica localizado o diafragma membrana nesse motor?

[@tsd560ti6]

​@@canalcarbrasil57Are you asking about the crankcase ventilation system (PCV) ? On N52, it is hidden between intake manifold and engine block, right around cylinder 5.

[@tonytooreal9214]

This Man is the best when it comes to BMW

[@sylvalta3795]

Thanks for the info! One of the best explanations I've heard.

[@dazeboy79]

Thanks for pointing out all nuances that the stealership won't tell you!! Cheers mate! I appreciate your BMW videos. I have 06 E90 330i N52. Magnesium valve cover. Trying to get her back on the road!! Was getting sluggish movement on eccentric shaft codes.

[@rine303]

Bro you Chanel is a big help , thanks you are the goat

[@UsuallyOff]

Great job mate ! Keep up the great content

[@BMWDoctor]

Thanks my friend

[@JClips1984]

Man I'm glade I'm subscribe to your channel, I always learn something new thanks and keep up the great work.

[@BMWDoctor]

That’s it mate that’s what subscribe is for so you don’t miss my videos otherwise you could miss something vital for your car

[@JClips1984]

@@BMWDoctor The catalytic conversion codes due to failing ccv was in the money. I recently had parts of my ccv replaced namely the return pipe after my mechanic told me that's where my oil leak symptoms was coming from. I was going to do the job myself since I've done the valve cover gasket, spark plugs ignition coils, vanos solenoid etc, I'd figured the ccv should be easy for me to replace, especially after watching your video. Unfortunately I had my mechanic do it and they told me one of the tubes to the ccv besides the return pipe I got a replacement for was duct tape together. So apparently they bought some tubing and made their own replacement for it. I got catalytic conversion and catalytic conversion 2 code in my scanner after the job was done, I've never seen these codes before as long as I had my car. I've cleared the codes and they havent come back since I had the job done a month now but I think I'll just buy the whole ccv replacement kit from fcp and do the job over myself after the winter. Wish me luck lol

[@BMWDoctor]

Mate it’s easy just watch my video mate and it’s very straight forward it has helped many many many people and is the best detailed N52 manifold removal on KZbin

[@michaelwashington9106]

So true Thank you

[@dazeboy79]

So that's where the coolant is going! Oil filter housing gasket. I'll address this next. I couldn't figure it out. Thank you very much BMW Doctor!! I am changing my valve cover gasket, eccentric shaft sensor/seal and VVT gasket thanks to you.. Update when complete.

[@mikeb2496]

Great breakdown of cause and effect of many possible problems, we just got years of ownership experience in a few minutes. Literally will enjoy my car more tomorrow having a better understanding of its systems. Thanks Doc!!!

[@BMWDoctor]

no problem mate thats what I do these videos for

[@mikeb2496]

Doc, so I started my 09 128i about 25°f no codes on the dash upon start up. Went in the house, came back out and had "service engine soon" light. Pulled codes, bank 1& bank 2 lean. I'm thinking immediately bad maf , no way 2 o2s failed at the same time. So there are no drivability issues, basically no symptoms present. I need to get ista from u asap. I heard that a blocked PCV can cause this also. Any thoughts? Have a great weekend!

[@calebcrouch6652]

@@BMWDoctor I'm getting intermittent misfire and ignition codes. I've replaced the plugs and ignition coils. In some of the spark plug wells I do see a little oil and I know that the valtronic motor gasket is leaking as I can see oil pooling beneath it. I don't have Ista, but do have bimmer link/bimmer code. I'm at a loss and don't know what to do next.

[@linasvaiciulis6298]

​@@BMWDoctorwhere are you based mate?

[@WayneVogeler]

Amazing job of informing how to work on BMW my son in law has a used car dealership and loves BMW so we are always trying to fix these problems Thanks for putting up this video and yes I subscribed,

[@BMWDoctor]

Your welcome mate

[@WSPTV1]

I like the way you explain how the system function... BMW is a high maintenance auto

[@bibu-bib]

Awesome, Helpful information as always!

[@BMWDoctor]

Bibu X your welcome mate these are my last videos for N52 unfortunately

[@bibu-bib]

@@BMWDoctor no problem, I'll still watch and follow you. You helped me out a lot with my n52

[@BMWDoctor]

Bibu X that’s what I like mate loyal subscribers from the start and I appreciate that I’m glad I’m helping you guys it’s what I only intend to do

[@ThunderbirdRocket]

Tremendous tutorial ! Thanks !!

[@BMWDoctor]

You're welcome!

[@deankamaruddin8211]

thank you so much dean.very helpful information

[@BMWDoctor]

Glad it was helpful!

[@mickmaloney1956]

Very nice video. I have two X3's with the N52 engine and have done quite a bit of work over the years. I have an unusual problem that just came up on my 2007. Up until yesterday ran great. Driving on the highway, suddenly the engine started to momentarily cut out the start up. Managed to get off the highway and the idle was smooth and normal. Even at moderate speeds the engine would repeatedly cut out then cut back in. Died once. Almost like it was starving for fuel. Weird hat the idle is rock steady. I actually had an appointment today at a BMW dealer to change the PVC heater under recall. I believe that it is shorted and has blown the #4 fuse under the hood. The only codes that I have are for the O2 sensor heaters that run off this fuse. Thanks.

[@David-gl7rg]

I’ve experienced and fixed just about everything you’ve listed on your video. Coolant hose that’s next to the oil filter went bad last week. The fuel pressure regulator gasket went bad. (Long cranks) replaced regulator and fuel pump. Now transmission need a new oil (6L45) will rebuild it next week with new gasket+filter...thanks to ISTA-D is a MUST for anyone who owns and wants to work on their own car. Oil separator is a common issue in the n52. Check your oil level regularly to find if you’re burning it. Radiator failed and all the ignition coils from Bosch. Currently have Delphi installed.

[@BMWDoctor]

thats good to know man and it shows its all truth here about these issues

[@Chris-dz9yo]

Hi I have oil in my coolant on my 2005 130i. Could this be the oil cooler gasket. And oil filter gasket need replacing. Or is it something worse. Any advice would be much appreciated. I'm looking at a huge garage bill. Thanks

[@meggaTRC]

Resync the valve was such essential piece of information.

[@JohnHuthmaker]

Just got a warning of low coolant tonight. I looked everywhere and couldnt see any leaks. Glad I watched this video. I'm betting its coming from the Oil Filter Gasket.

[@thaisouvanna8174]

His summary...the solution to achieve financial happiness. Word bro, word.

[@guppyspop]

Outstanding!!

[@2007moha]

thanks a lot my best regards

[@MrOnlymoin1]

wonderful video.

[@siphamandlakhumalo734]

U just saved m en im definately subsribing

[@dieseldriveway5195]

Best bimmer channel on KZbin. Can you do an e39 M5 video? 🤙

[@BMWDoctor]

I would hope that soon that will be one car that will definitely be on here mate as it’s one car I do want and will get on here

[@donnymoore03]

Great video. Quick question: Does a 2005 530i E60 M54 engine have the same type of Vanos filter built into the oil filter housing that N52 does?

[@matthewbarnes1561]

Brilliant video Dean absolute epic knowledge on the n52 mate still thinking about upgrading to this in the near future just over hauled my m54 aswell should be good for another 100k hopefully.

[@BMWDoctor]

You should do indeed mate even though this will be my last N52 mate for me at least I want to get N53 engine mate

[@matthewbarnes1561]

@@BMWDoctor yeah mate least you have a catolog of videos to help me out with the n52 when I do upgrade to it mate and will be looking forward to the content bro.

[@BMWDoctor]

Exactly mate I do indeed and I tend to do more before this car goes for everyone else in thinking to do another manifold removal as that one I did do was when I started and kind of nervous so now I ain’t I can actually explain everything in detail and show it properly I want to end my n52 run being number one for this engine

[@matthewbarnes1561]

@@BMWDoctor yeah mate that was months ago now how time flys lol and I think you have blitzed the n52 mate well done sir.

[@davidhenderson7433]

Roll on you getting an N53 buddy, am still learning about the N53 and it's issues, usually have the e39 and E46. I like the N53 engine I have at the mo, but these direct injection engines can be a pain, cost me enough lately and that's me doing it myself lol

[@MaheshMalaviya]

Brilliant!

[@BMWDoctor]

no problem mate

[@murphyr31]

Well said BMW doctor, definitely the wrong car to own if you can’t afford to maintain it. I like my BMW’s for more than one reason but mostly because I have a really bad back and the BMW seats are as comfortable as I can hope to get in a car seat.

[@John-zr2zk]

Hey Doc Thank you for al information that your willing to help repair our Beemers. I have a 2004 330ci-BMW automatic. When you say don't by after market. I believe you. The problem is that once the throttle body boot went out due to cracks everything else decided to wanted to be replaced. I just got replacing fuel injectors and plugs and coils, and the disa maf again (both aftermarket). Now the car runs really rough and dies after about 12 seconds. Also replaced brake light switch and fuse. Brake lights and trunk light come on and stay after I turn the key.. I truly need some help.

[@FreakkyJack]

Hey Dr.Dean, i hope youre doin' great (while staying healthy of course!) How to tell if the ccv is gone? If i open my oilcap while the engine is running, it is sucking on the cap "gently" (:D)

[@redinstrumental7535]

Awesome video. I had a question I am having a coolant leak I changed the lower radiator hose and top one . But I'm still leaking and while I was under the manifold on its side and noticed the hose that goes up the pcv valve hose is broken on it's connection near the round plastic at the bottom side . And there is coolant near there . Is this my problem?? Or just another one ? . It's a 2003 Bmw 530i

[@smason8074]

What is the name of the part you mentioned under the oil filter cap that garges throw away?

[@nickmrt2670]

Just found your channel and want to thank you for all your valuable info on the e60. I've had a 530xi now for several years and never really felt the car had any initial pep. Just really sluggishness for awhile now. Replaced coils and plugs. Any ideas? Thanks

[@BMWDoctor]

vanos solenoids

[@andries514]

Hello does the newer plastic valve cover n52 als have a vanos filter inside the oil filter housing?

[@lp2565]

Another great video, Dean. You really do need ISTA to work on the N52, don't you?

[@BMWDoctor]

Yes you do lance without you are let’s say screwed

[@mikeb2496]

Saving right now to get the package form the Doc!

[@tristancloud9687]

So about that leak by the oil filter housing gasket that leak into engine block

[@MN_003]

Hi just a quick question do all the 3.0 n52b30 have the three stage manifold from factory?

[@diegovillalba6087]

Excellent video amazing your knowledge of this engines!! Just wanted to pick your brains I am about to buy an 330i 2006 E90 with only 39k miles so they car has done very little mileage, is that a good thing or a bad thing in your opinion? Any advice to look out for as the car hasn't been driven that much? The car has only one owner from new and he has a mountain of reciepts and bits he has done on the car. And the last question, when are you supposed to change the chain driving belt in the engine? Many thanks mate. Great video!!!

[@owenrutledge7144]

I'm sorry but your an idiot😂😂

[@adamproperdouble2094]

What up Doc ? I have a issue with e91. Right side of the car is sitting inch lower at front and nearly 2 inches lower at rear ? I mean the distance from tarmac to body.I had replaced all bottom and top rubber spring and schock mounts . All schock went with bilstein B4S and springs eibach pro. Before on the oem setup m sport springs and oem shocks it was the same . Have you any suggestion on what to check next as it is driving me mad. Please help.

[@pakwong6305]

Wish one day I can meeting you, and you can servicing my x3 3.0d thanks

[@Antonio-pq4fb]

I have a coolant leak between the bottom of the expansion tank and lower hose assembly at the connector. I've opened it up and there's an O Ring but it's not a common size and BMW don't sell it (just the entire hose assembly). Any ideas or suggestions to avoid having to change the whole lower hose assembly? Thanks in advance.

[@ToxicLadyBG]

I had rough idle and cylinder shut downs mid-drive on high rpms on my bmw e90 330xi n52b30A last year. The dealer said that my cylinder head needs replacement due to heavy wear on the camshafts. So i went and bough a new engine instead. Now i have the same issues with the new engine. I replaced the plugs, coils and ccv too. Where should I look next? And did they took advantage on me just to squeeze some cash out?

[@geoffgale0602]

Hey I need help I've been trying to find out where the line that comes out from the air box right after the MAF sensor it's not there anymore and I bought my car from a 18yr old kid and he went through and messed a lot up and I've been slowly getting it back together but it's a 2006 325xi and I have a code saying to reconnect the air box but it's there and I have a rough idle and when I'm driving on highway it will bog down a little bit sometimes and also have the 4x4! Light on and I've done cv axle and wheel bearing and I don't know what will cause that and also my cruise control won't work either I know it's a lot to ask but I'm good at fixing stuff I just need to know what and how to fix

[@reddog9401]

where is the disa valve located on 2008 528xi.thanks

[@maxheadroom4796]

Hi I changed vat vanos coils and plugs but still fault on compression 1 cylinder us there anything else I can check ...also put forte conditioner in oil

[@RabihSaadguitars]

I would add removing the Vanos solenoid Filters and cleaning them. They are 2 of them and its an easy job

[@d3admaub938]

Mate whats the intro song on this vid?? cant find it anywhere

[@splne1]

Thank you so much! This videos has been extremely helpful to me dealing with what began as a stall at a red light. 2009 328i N51 I have replaced many of those parts to include, ess, cam and crankshaft sensors, maf, map, injectors and rail, fuel pump, vanos sensors, spark plugs, ignition coils, throttle body, crank case valve. I still have a random start and shut down but afterwards will start and idle fine. All I have left is the fuel purge valve, disa valves, ess motor and leak detection pump. Right now no codes but sometimes it throws the bank 1 and 2 lean codes. What should i replace next??

[@abointedtoyblingofmats]

that's a lot of work put into an n51

Hi doctor,im writing from Turkey.I have 2006 5.30i N52B30.I bought it second hand and rebuilt the ignition system. When we look into catalytic we see that its damaged and molten. It probably melted before me.So i emptied it.Now it gaves 2C7F: Lambda tuning 2 . 2C27: catalytic converter lambda probe system check . 2C3B: catalytic converter lambda probe didnt installed . 2C2C:lambda probe "before" catalytic converter 2 system check Codes. Can you gave me advice what should i do ?

[@aliawada7038]

Hi Dan, how’s it going? I have a problem with oil I the spark plugs well whole. Why there is oil in the spark plugs well hole on BMW X3 2010 E83 N 52? Now it is been really rough running and misfiring too. If you could please send me a message on what to do, it would greatly appreciate.

[@Ak-hn6ej]

Do i need to align the vanossolenoids after changing these

[@rihasanatrofolo2472]

My e90 320d drives flawlessly most of the time, but on some ocassions when I'm pressing the gas to the middle point, it starts to make a slight BRR BRR - BRR BRR BRR- BRR BRR etc sound, until I take the foot of the gas and press again. Sometimes it just goes away, sometimes it stays a while. It's not making the car undriveable, but when that happens it jerks slighty, like it connects and disconnects the gass a little, not fully. Do you have any idea what this might be? My local BMW mechanic was unable to locate the issue, he was also unable to reproduce it, since it happens randomly.

[@xxxpitydafoolxx]

I have a BMW X3 2008 3.0si with the N-52 engine . If I were to replace the solenoids would the update be compatible with my car??

[@michaelkucera4345]

Hello, I had a problem with fault drive train on my f11 523i engine N53. Last month was changed bad Nox senzor, all injectors, ignition coils and plugs. The fault during cold starts is solved, this was the first fault that I have but recently it was happened to me if I drive about 160km/h or more constantly on highway that the drive train show me also. Diagnostics shows misfire on valve 1,2,3 but alternately. Do You have some tips? Thank You

[@pjo070499]

What are the sensors called that are beneath the coils ? I couldn’t understand you. Mine is also at 160k I got rough idle

[@greaterbw]

Question Dr. Dean. I’ve worked my 2008 328xi over. It was running great and now when it gets to temp it feels like my torque converter is not locking and making the car jerk and judder. I have the GM GA6L45R trans which I’m sure is the worst gearbox. I’m wondering if it’s worth changing the fluid and putting a converter additive in or just replacing the torque converter. Any advice is appreciated. Thanks!!

[@stevet8607]

What did you end up doing with that

[@ndn7217]

What is torque specs for injectors rail?

[@sandromaz5002]

Hi deal please get back to me mate? What coolant temperature are these engines suppose to run on? I’m seeing mine go up as high as 110-115 and I’m getting paranoid.

[@ionutsusnea5294]

Do you have any idea why my exhaust pipes are black ? I’ve got a F10 3 litre petrol 2012, and sometimes have a heavy start but it’s start on the end , many thanks

[@alexwalsh31]

Do you have a shop I can come to I have a few issue, I have bmw e93 With N53 engine. Cheers

[@canalcarbrasil57]

Onde fica o diafragma nesse motor....pelo.q vejo n video não e na tampa d valvula ne?

[@reddog9401]

could you tell me what poocb code is,its saying low circut flow mass flow air sensor,replaced it and did plugs and coils.could it be vanos selonoids causing my rough idle? thanks.

[@MrShaunys1210]

Great vid mate 👌 very knowledgable!! Do you know what would cause the car to kangaroo/buck when planting your foot in an automatic, like it doesnt know what gear to be in if that makes sense? If it helps I could mail you a video of what I'm suffering with 😞 only had it a week and I've changed more or less everything lol

[@BMWDoctor]

Yes mate the vanos solenoids cause that as they control the timing and advance and retard it when you kick down the dme wants to advance the timing but can’t quick enough as your solenoids are failing

[@MrShaunys1210]

@@BMWDoctor cheers buddy 👍👌

[@MrShaunys1210]

Is there a certain brand to go for?

[@BMWDoctor]

MrShaunys1210 yes bmw genuine ones only there is no others unless you want Chinese these are not readily available like other engines part were only made by bmw for this engine

[@MrShaunys1210]

@@BMWDoctor dealership it is then 👍

[@Level_Up_Nation]

I say, if you car has around 100k miles just go ahead and replace all of these parts, considered it as basic maintenance. The EVAP pump is another pain in the butt you will need to change and the 3 series also have an issue with the fuel pump filter high pressure line on top cracking, that can cause fire.

[@jonathensulpizi4675]

Can I update my Dme if it’s been tuned from 328i software to 330i with the 3SIM? 😬

[@axelortiz8401]

Have a 528i engine stall and rpm are not steady and i replace the throtle body and still have the same issue everything started with the starter replacement if i can get help it will be b appreciated

[@arthur1920]

OK, I have to ask. What is ISTA. It seems like you can't work on these things without it?

[@arjunpatel3709]

I have 2010 bmw x3 with 180000 mile i m having random misfire issue P0300,P0304 and P0306, i have changed new coil new sparkplug new air filter cleaned MAF sensor changed Valve cover gasket ,cleaned all fuel injector clean vanos solenoid and filter but this misfire keep coming back and at low rpm car gets hiccups this is on going from last 2 month but car runs very smooth on highway ,also when im at full stop i see very lite white smoke from the exhaust i'm in NJ any idea what could be wrong please give me some tips

[@emadawad4106]

comprehensive information, thank you, can you please consider to speak a built slowly, for non-scotich native it will be difficult to follow you. I turned on youtube auto English subtitle caption but it seems this option can't catch what you said too

[@user-zi7rk8vu2f]

Please help with advice, BMW E60, 2009 528, 234🐎, N52, on propane gas, bad start when hot, on the third try, everything is ok when cold. I changed injectors, thermostat, crankshaft sensor, temperature sensor, fuel pump with filter, no sense, gives errors P0420, P0430 and 2EF4. Please help me with advice, I don’t know where to dig anymore.

[@Vics_One_Stop]

help... My car starts but missfire 4,5,6 all new coils, plugs, and injectors. trying to find the actual problem but the only errors i get are miss fire. can you get miss fire codes and it will be the vanos? or other parts?

[@miagreatsister9612]

Yes mate how's it going. Think I've cracked it with the battery drain. Got some fault codes I could do with your advice on if you can.

[@BMWDoctor]

No problem mate go ahead

[@miagreatsister9612]

@@BMWDoctor Cheers mate would it be easier if I whattsap you the pics of the faults

[@archibongdavid2871]

Hello guys, I’m having a similar challenge right now. Where can I meet you please?

[@tenderwolfire]

whats wrong? i start the car and its normal, sharp response on throttle, after a while or if i rev it high the rpm falls to 500rpm and then humms couple times between 500-1000rpm.. then if i try throttle again i hear a swoosh somewhere if i blip the throttle and the throttle responsiveness is gone shit? its like i had a intake leak.. after starting car again everything good again.. also knocking lifters and rattling wngine sounds may appear sometimes but it goes away if i rev the engine a little?

[@bigboygang6799]

I have a 2011 bmw 328i xdrive and it’s got a jerky idle and p0442 code I don’t know where to start .I keep getting the gas cap warning

[@Mark-ss1ke]

slight rough idle at start up then goes away what can it be? 128i 2012

[@kevinvandevelde9789]

O you use a nasty P code LOL. So did I. Great info again. When I had the rich code on ista I think 000053 had my boy drive the car while I watched, Then hey DaD how does it handle in corners , Told him great then hard corner pulled my USB out of the laptop, LOL. Tracked it down with inpa. And checked it again with my after market scanner. But if I did'nt have ista the SES would not stay out until I did the redapt. Thanks to ISTA all modules are green. 👍👍

[@BMWDoctor]

That’s good Kevin man and I’m glad it’s helping you mate I’m planning to get a E53 3.0D ONE MATE I wanna be like you and part of the party lol this is the sport model limited edition in Le Mans blue with tv function panoramic roof 2007 model last year of E53 here

[@kevinvandevelde9789]

@@BMWDoctor cool

[@mikeb2496]

Bmw Doctor beautiful color!

[@BMWDoctor]

Mike B mike didn’t know you was paying attention mate going through my comments buddy 😂😂😂 good to see mate

[@mikeb2496]

Bmw Doctor lot of knowledge in the comments, Often find answers to questions I'd ask, I throw a lot of thumbs ups to help the channel grow. Least we could do! Cheers 🍻

[@D3lt4h_d3s]

Bro I got the m57 engine and I'm basically having to too up mu coolant using water now because coolant costly the right one and its hot but I need to fix my coolant think got leak but can't find it heeelp got e60 525d

[@h005901]

Will the 2009 X5 E70 30I light up the P0340 fault code? I am replacing. Camshaft sensor. Crankshaft sensor. Variable valve As bright as P0340 How to exclude

[@basesperanca]

What's this "update" you keep talking about in all videos?

[@H-B-M-]

Hello, I have a n52b25a engine, I am getting p2096 and 2196 errors in my 2009 525i, what should I do, sometimes the engine is running fluctuating, the indicator is moving up and down.

[@mariojones5393]

I hav a 2007 530i an it’s idling rough an jerking but not showing any codes. Help

[@surfboylaney]

I keep getting P1148 / P12BA no fix I can find any assistance appreciated.

[@doose911]

I just replaced the fuel hose to the fuel rail. Mine must be different. Because, my fuel hose goes behind intake manifold & wraps around to where you said the return is. Strange? I have the E60 2006 530I. I wonder if they change that from when they made my car? Mine was leaking. So I just recently replaced it a few months ago.

[@BMWDoctor]

Maybe someone he already changed it mate that’s why it’s a common problem they leak

[@Hoetobeajew]

Any tips for taking the manifold off without breaking the ccv?

[@BMWDoctor]

There ain’t no way mate if it’s never been off before the hoses will break that’s just how they are so your better off to have a new one ready to go because otherwise you will not be able to put it back on without the hoses

[@johnroperos9831]

I’ve change 6 spark plugs/ ignition coils and injectors but still getting that cylinder 5 misfire code

[@TIfosiZ]

Would you suggest to change camshaft metal rings to teflon rings as there is a risk of groove in the ledges because of those metal rings? Thank you.

[@BMWDoctor]

No I don’t and I have not seen this in my time of N52 where did you get this from as this is not possible well on my one anyway

[@TIfosiZ]

@@BMWDoctor I have seen quite a lot of vids on youtube about that issue. Even your friend Nathan's spoke about that issue.

[@BMWDoctor]

Consigliere Egidio mate don’t believe everything you hear and read yes he did but he never changed them did he ???? Reading on KZbin you will end up with your car in bits for nothing there part fitters mate not trained techs That’s why there stripping parts and parts down till they find the problem instead of proper diagnosis

[@TIfosiZ]

@@BMWDoctor it is related with long intervals of oil change. I as do change every 8000 miles hope should not be an issue :) thank you again.

[@robertandri5919]

What is happening to my n52 if its vibrating on a stop light when there is a small load on the engine but it goes away when I put it in neautral ???

[@umjusi231]

SOS help!.... Recently bought a 530i 2009 164k mileage. Rough idol only in morning or first start but once the engine is hot everything is smooth again. Changed all spark plugs and coils. Tried a couple of injectors cleaners yet issue still exists. OBD scanner sometimes throws p0306 other times p0303. No oil leak in coil or spark plugs. Please help me

[@armaah8558]

Hi my car starts but soon as you accelerate it cuts out any advice????

[@EdmBassHead]

+BMW Doctor my 325i 2006 n52 smoked bad on the highway so i changed the ccv system and the hoses, changed the valve cover, changed spark plugs with single tip and deplhi coils, car has multiple misfires smoking went away but the spark plugs are new and have some black on them whats going on?

[@EdmBassHead]

The air intake had oil in it and i dumped it all out from the ccv, i have a new ccv valve though i dont have any lean or rich does just mutliple misfires, low vvt supply

[@luismiguel4156]

I don't have a spark in my spark plugs and neither do the injectors open, I've changed the crankshaft sensor,already also change the computer , nothing same problem crank but not started

[@ernestdeviers3433]

PLEASE! @ anyone who can answer this! I got a 2012 328i f30 and im getting the codes of P11C5 and P0171(i believe) it says system misfire running too rich. Bank 1. Now i know what the bank 1 means but what could the other codes mean?!?

[@surenraj8186]

BMW Doctor,what if we perform walnut shell blasting to stop rough idling? Will it be effective? & is N52 engine suitable for walnut blasting since its NA? Please advise.

[@BMWDoctor]

Mate you cannot do this on N52 and you have no reason too either the n52 does not suffer carbon build up doing this will damage your engine

[@surenraj8186]

@@BMWDoctor ,Mine is a 9 year old E90 N52 with 105k miles on it.Moreover the engine was going thru some rough idling and stalled a few times until I serviced my Vanos solenoid.My mechanic is saying the rough idle & stalling is caused by carbon buildup on the engine.

[@alexm2016]

HI! You dont need to do this on n52 because its not a Direct injection engine. On N52 fuel injectors are above intake valves, so petrol cleans them all the time engine work. Ps sorry for my english, im from Russia)

[@LeonKaunda]

Bmw 525i just cranking but no start after overheating

[@davidjimenez10]

i have my 330i 2006 with misfire on cylinder 6 with low compression , my mechanic said need a new motor if anybody have another answer pleas help me.

[@mufasagoesviraltv5266]

My car is jerking on low ideal ( in traffic) I have no check engine light

[@j8nkies20]

I have a slow oil leak on the first bottom stud of the intake manifold @11:05 in the video that first lower intake stud. Do you have any idea what it can be? So frustrating..

[@BMWDoctor]

Your oil filter housing gasket is leaking coolant down the block mate

[@j8nkies20]

Thanks for the reply! but i dont think its the OFHG as i changed it out a few weeks ago.

[@cristianosorio9273]

I change my cover gasket and now I have multiple misfires n won’t start now please help 2007!n52😢