How to fix many BMW electrical Gremlins. Battery Reset Also Rolls Royce & Mini

How to fix many BMW electrical Gremlins. Battery Reset
Take note playing with the electrical system of your car can have various results and you can certainly even damage your car. If you don't know what you are doing don't try this.
What I show you here was recommended by a BMW guy for BMW's.
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Thanks for watching this Mark's reviews and Tutorials video. Mark is not a trained mechanic. Just a car guy that loves to drive and work on cars. What I do here may not work on your car and I am not intending to give professional advice for you to work on your car. But if you do know a bit about cars then hopefully watching these videos will help you to sort out what is going on with your car. Mark is not liable or responsible for any damage you do or things that happen to your car or yourself.
Cars are complex and dangerous things and not only can you be hurt working on them but you can also do serious and expensive damage to your car.
Cars should be worked on by qualified people, don't over reach.
Talk to a qualified mechanic if you are in any doubt.

[@destinymartinez8032]

I have a 2008 bmw x5 3.0 that I bought from market place a while a few months back. The park brake light has been stuck on my dash lit up in yellow. It doesn’t flash or go off. I tried the emergency release and even replaced the parking brake switch but no luck. Any idea how to get that off?

[@1171karl]

I'll give this a go. It might sort the intermittent issues with the load cover sticking half way and blower fans stopping working on my F11

[@Sasukeeeeeee444]

My Idrive keeps rebooting, do you think this would help it ?

[@vungnguyen9277]

my e90 would not start after i replace the sunroof fuses, it cranks but wont start will this fix that problem?

[@wonderwalls3565]

would that disable the stereo and we will have to enter the security code of the stereo?

[@dejvidjanis9114]

hi mark ELV electric steering lock and that problem thanks

[@fisher_price]

So i have a g32. I disconnected it and my alarm went off haha. Note to self, unlock car first and then disconnect battery. Opening the trunk with keyless entry is not sufficient. I had issue with lane keep assist. It would let go off the lanes way too soon, as in the lane keep assist would cancel real fast and not pick it up again until I kept the car straight. Going on a trip tomorrow, fingers crossed. By the way, i only got a check control to set date and time. Nothing else. Even my memory seat and profiles were still there

[@mewfuz37]

09 135i: driver side blinker would not turn off once activated. Driver side headlights and tail lights would stay on indefinitely after vehicle off and key out of ignition. .... Disconnecting the battery overnight was not long enough to reset the ECU. Problem persisted. Left it disconnected for FOUR(4) days to find everything except the passenger window still not syncing up with top of door sill automatically. Otherwise all works correctly as intended. Although no guarantee it's permanently fixed after this only being the first day, but the vehicle was restarted multiple times during various short drives and never encountered the issue again so far. Point being, it can sometimes take multiple days of disconnect to acquire full reset.

[@Marksreviewsandtutorials]

Thanks for the feedback. It is very helpful. Try this for your window. BMW Window reset Anti-Trap function. How to fix loss of auto up/ down on your power windows electric kzbin.info/www/bejne/f5KTi3-EmLWsmMk

[@fish-0n]

My bmw 3 series acceleration and other things aren't smooth as when I first got it, I'm looking to do this on my vehicle as many people are doing it, big, BUT do you have to reset the battery or register the on the bmw system because we took the ground out?

[@Marksreviewsandtutorials]

This isn’t where I would start for non smooth acceleration. And no to registering the battery as it is the same battery. Only register the battery when it is different or new.

[@BradPoyner]

I disconnected by battery and left it for over 20 mins in the hope that it would reset. After reconnecting I'm still getting a battery light and car on a ramp light. The battery is only 1 year old. Any ideas?

[@rbemuscle6058]

Awesome, thanks man! I put a new battery in my BMW 1 series E87, but can't seem to register the battery. I used an ancel bm700 OBD scanner and it mentions something about a terminal 15 error. Would this also clear that error if I disconnected the battery for a bit? Cheers

[@samuel242424]

make sure ignition is on. place the key in the holder and press the start button without touching the pedals. that activates terminal 15.

[@ceddy1031]

I got a 2011 F10 535i, recently my windshield wipers all in a sudden will start moving itself, then my air conditioning will not blow cold air, central lock malfunction, backup camera not working, central lock malfunction. Car will still drive no problem . This electronics things driving me nuts lol. I want to know if this is related to the Junction box in the passenger side glove box. Do I have a bad one JBE? If I get a used one and install it, do I need to program it ? I wonder if I do battery reset will fix the problem?

[@Marksreviewsandtutorials]

Hi Ceddy. I would definitely start by replacing your battery and getting it coded. If you choose not to go genuine make sure the capacity is equal to or greater than the original. This will very likely solve a lot of the problems. Watch this video to see the effect it had for me. My BMW freaking out! Yep it lost it and lit up like a Christmas Tree. Expensive? Maybe not! kzbin.info/www/bejne/q2rGY3mOdrObo5I

[@ceddy1031]

@@Marksreviewsandtutorials Basically a while back I already replaced anothet AGM battery but after drove the car for a while this crazy electronic failures came back. Right now I just removed the battery terminal and use a jump cable to drain the rest of the remain electrical.

[@Marksreviewsandtutorials]

@@ceddy1031 Please let us know the result here in the comments

[@neilrobinson5115]

Hello,when you do a reset like you have by removing negative do you have to register battery again as if new battery??,thanks

[@Marksreviewsandtutorials]

Hi Neil. No the only time you have to register a battery is when you change it. MRT

[@Marty651711]

Way around that would be to connect to another car with jump leads via engine bay poles while you remove the old battery. .

[@neilrobinson5115]

@@Marty651711 all done now thanks,thanks for advice,I’ve just got a new AGM battery and registered it to ECU with diagnostic unit,runs well now

[@cookie_cienias]

Hi Mark, nice video! Anyway, it looks like a half of an engine... ;)

[@Marksreviewsandtutorials]

Ciastek 1/2 plus a snail. 😃

[@djmill]

No need to connect diagnostic software and perform reset?

[@Marksreviewsandtutorials]

It is all explained in the video

[@xsavier7984]

I took off the battery, when I connected it later, it doesn't work heat up display watch from the menu I can't set the watch or do you know how to do it?

[@abu_hlal3901]

I have the same problem. Did you find the solution, brother?

[@josuearvizo405]

I really need help with my 2009 Bmw 750Li out of no where the parking light came on the steering wheel with the little ! Came on a few lights came on out of no where also my right front headlight is out and my left rear is out and my dash is laggy specially the gas gauge what can I do the car was working perfectly fine also my steering wheel is hard since I’m guessing the steering wheel light is on🤦‍♂️

[@Marksreviewsandtutorials]

Watch this it will help. My BMW freaking out! Yep it lost it and lit up like a Christmas Tree. Expensive? Maybe not! kzbin.info/www/bejne/q2rGY3mOdrObo5I

[@Marksreviewsandtutorials]

Also this. 🔄🚘 BMW Active Steering inactive. kzbin.info/www/bejne/rmilmoeFa5mYmsU

[@Happyflower_gyal]

Does this work to help close my sunroof on a 2017 bmw x5?🙁

[@Marksreviewsandtutorials]

I would try this. kzbin.info/www/bejne/qHitlZ9vgtqnhJI

[@Happyflower_gyal]

@@Marksreviewsandtutorials I watched that video yesterday didn't work ..thank you💕

[@MrGuiepinto]

I’m facing the same issue. Sunroof quit working. Tried the sunroof reset, didn’t work. Everything seems to be OK. I was gonna try the battery disconnect, but am concerned about additional issues

[@Scotford_Maconochie]

I'm currently battling a bad IBS and battery on an 2017 F15 X5 with 60k mi. The car died, was towed to dealership they found little to none, died again, boosted several times, died again. After an CEL came I scanned it and it gave me a code for a bad IBS. The car battery won't charge on a DEFA charger (the bad IBS fully depleted the battery 4 times or more). Will be replacing the battery and IBS in one motion, the register it, reset the DME and clear the codes. If this doesn't cut it then I have no idea what to do next...

[@dbutters98]

Hi mate I did this now my headlights and electric windows. And indicators don’t work any ideas

[@Marksreviewsandtutorials]

Modern cars have many control modules (computers) in them. It sounds like one of yours may have failed. The BMW tech told me that this is the very first thing that they do when tackling electrical gremlins.

[@socozy2]

Didn't work on a 2004 X3 and now more code lights are on - like the 4WD light came on. Never had that come on before.

[@Marksreviewsandtutorials]

If you are having a lot of seemingly random lights come up. Then I would be checking your alternator and battery. Low voltage will do that. My BMW freaking out! Yep it lost it and lit up like a Christmas Tree. Expensive? Maybe not! kzbin.info/www/bejne/q2rGY3mOdrObo5I

[@jawadjames4825]

What if this doesn't

[@abortionIzmurder]

Lol Even over engineered battery connection Oh how simple just one positive one ground was back in the day....

[@Ixamxin]

I tried it , it work but was temporary solution, month later again same problem happening again

[@Marksreviewsandtutorials]

Yes. This shows you that you have something that needs more attention

[@gimmi547]

If i do this. Do i need to reprograming the battery

[@Marksreviewsandtutorials]

No reprogramming is just when you put a different battery.

[@gimmi547]

@@Marksreviewsandtutorials i had a drivetrain malfunction after winter storage on my bmw.. Could it help to do this.. thanks for answer boss

[@StitchDGlitch]

This doesn’t register a new battery though, right?

[@Marksreviewsandtutorials]

No it won’t. Registering a battery means you are inputting data about the new battery so it runs at the correct charge rates, etc. This needs an advanced code reader

[@cubotpowerphip834]

I have just removed the negative from my 60 plate 1 series 118d. I did not touch the lead to anything. No sparking etc. Now windows, indicators, break lights etc do not work. Had car to garage on computer and the is no communication with the frm3 module. Now I need to remove module and try get it repaired. I personally will NEVER disconnect the batter to reset a bmw ever again. Be warned!!!

[@oskariala-heikkila]

I had the same issue with me bmw. Frm module lost its memory. A common fault with these. Be careful!!!

[@josephnguyen1904]

It's a really bad idea to remove the battery terminal to reset the fault code on a BMW. Especially most of the BMW models starting from 2010 or newer, its will damaged the FRM module and will cost you about a couple thousand from the BMW dealer or about five hundred from the local shop plus you have to drop your car or SUV at the shop for few days to order and replace the module. Don't do it, research about the "BMW FRM FRM2 FRM3 Footwell Module" then you will know.

[@Marksreviewsandtutorials]

Hi Joseph, guess what your BMW won't blow up and cost you $2000 if you take the battery off. This was recommended to me by a BMW mechanic.

[@uswwt]

@@Marksreviewsandtutorials You both could be right. From my research, the FRM3 in some models is very sensitive to voltage changes. Some even report that using a scan tool cause cause FRM to go bad. BMW has a 8/120K extend warranty on it. Perhaps not a problem anymore for models newer than 2015. If your FRM3 did go bad (windows won't work; turn signals can't come on etc), it's fixable. Just go on ebay and search for FRM3 repair. You pay and send them the model and they reflash it and send it back to you. The stealer would order a new one and could easy cost $500. Of course if within 8year/120K, just let the stealers take care of it.

[@JC-tn8zh]

Yes, this seemingly bricked the FRM on a 2012 mini I was working on.

[@awax9221]

So your telling me if I change my battery it can cost me 2000$?😮😮

[@josephnguyen1904]

@@awax9221 Not really. You need to put the charger to jump in the front positive connector and ground, then replace your battery. Making sure to remove the ground cable first then the positive cable. After putting the new battery on, connect the positive connector first then connect the ground.

[@chrisdaniel5004]

This is one of the many reasons I’m getting rid of my BMW that I’ve owned for years. My Toyota Camry has no way near any of the issues the BMW has. German engineered garbage!!!

[@gordonswinton]

I agree with you. I despise my bmw. I've never felt hatred like this for anything. It has a battery drain that my Foxwell or any would be bmw specialist can sort. I hope someone smashes into it...Never again....Good luck.

[@chasermalloy7406]

Go back to an E39 Much less complicated.

[@silverbackog9698]

I have a 750li and this is my last and mean last luxury sedan I will ever buy ivd had audi volvo caddy jaguar etc and this BMW IS THEE WORST CAR IVE EVER OWNED trading it in soon for a Chevrolet Tahoe...BMW should be ashamed!!

[@progressoful]

They trully suck

[@wavybump]

but a Toyota doesn't drive like a Bmw

[@tru8116]

DO NOT DO THIS!!!!you will then need to get your battery registered at bmw

[@Marksreviewsandtutorials]

Mate who has been telling you stories. Battery registration is for when you fit a new battery so the system knows the cca of the battery and that it is new so it can alter the charging rate. You do NOT have to register a battery every time it is disconnected.