How to fix A/C on BMW E46 ? Why AC blows hot air on BMW E46?

BMW E46 WHY AC BLOWS HOT AIR | HOW TO FIX A/C 325I 330I 328I 320D 325D 318I 320I 316I 330d 323i 325xi 328xi 330xi 320xi 318xi 330CI 325CI
If you have a BMW e46 and the A/C AC Air Conditioner blows hot air this is the right video for you. We will show you how to fix you AC air conditioner and make it blow cold again. In this video we will explain what could cause the AC to blow hot air on BMW e46 330Ci.
This video might be helpful on:
1998 BMW E46 A/C AC Blows Hot 330i 328i 325i 323i 320i 318i 316i 330d 325d 320d. Air Conditioner Not Working
1999 BMW E46 A/C AC Blows Hot 330i 328i 325i 323i 320i 318i 316i 330d 325d 320d. Air Conditioner Not Working
2000 BMW E46 A/C AC Blows Hot 330i 328i 325i 323i 320i 318i 316i 330d 325d 320d. Air Conditioner Not Working
2001 BMW E46 A/C AC Blows Hot 330i 328i 325i 323i 320i 318i 316i 330d 325d 320d. Air Conditioner Not Working
2002 BMW E46 A/C AC Blows Hot 330i 328i 325i 323i 320i 318i 316i 330d 325d 320d. Air Conditioner Not Working
2003 BMW E46 A/C AC Blows Hot 330i 328i 325i 323i 320i 318i 316i 330d 325d 320d. Air Conditioner Not Working
2004 BMW E46 A/C AC Blows Hot 330i 328i 325i 323i 320i 318i 316i 330d 325d 320d. Air Conditioner Not Working
2005 BMW E46 A/C AC Blows Hot 330i 328i 325i 323i 320i 318i 316i 330d 325d 320d. Air Conditioner Not Working
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[@scottmaxwell1927]

never seen your channel but I subscribed. My mum died last year in December and she has an E46 316ti that has a broken AC. My dad is 78 and asked some "professionals" to repair it and now it's broken, so I need to do it for her memory to live on.

[@brandonbell3943]

Thanks man, I had a major ac issue and checked everything from door actuators to the evaporator. but issue lied in the fuses. Thank you for the videos they really do help.

[@japol1995]

Hi, great video. May you please do a video on the removal of the E46 A/C Blend door actuator replacement.

[@jocalibusohump]

Yes yes I will do into my e46 330cd and 320cd,really hot 🔥now in wales.

[@dwightbennett7946]

You guys give ready good information. Save me a lot of money. Thanks.

[@user-ul5yx2sb9y]

Thanks guys..you guys help alot

[@loganwilliams8140]

Super helpful guys!! Thank you!

[@sein7381]

The hose close to the radiation in my e46 , one is hot and the other isn't. My ac is not very cold, and I just recharged it and didn't do much difference . Compressor is working fine . Don't know what to look for . The ac is working but not freezing

[@nickcostabile8388]

Very informative

[@77northfork]

Love the videos guys. I have a 2004 325ci 2.5 M54 engine and the AC works on the drivers side but not on the passenger side. Any suggestions would be greatly appreciated. Thanks.

[@bjordal50]

Heard alot of people say u should try filling ac gas

[@Artbro8]

Same issue here in mine

[@SleepyJoe408]

I’ve changed everything in my x5 except the evaporator and still blows warm air during day. Cool at night. It never gets 🥶 cold. So I’m guessing it’s something minor since I’ve changed all the major parts. What a pain with these bmws

[@emex28]

Very helpful

[@deniseramones8052]

hey man.i jst did a freon recharge on my 2004 bmw 330xi and it blows cold air on the driver side but warm air on the passenger.any thoughts?

[@nelsongutierrez6736]

Me too any luck ?

[@elizabethkihara2668]

In case you still need this info. A bad heater control valve can cause this issue. I spent over a year trying to figure out what was going on because I'd tried everything. My HCV went bad so I replaced it. This didn't fix my issue. Aside from the AC fuses, check the fuse for the heater control valve itself. You may still need to replace the heater control valve itself but it's super easy to do. I found out today, that when the HCV went bad, it blew a fuse so even though I replaced the HCV, my AC would still blow warm air. I checked the fuse for the HCV and found the culprit. $4 for a pack of the 7.5A and my AC is working again. Hope this helps someone

[@deniseramones8052]

@@elizabethkihara2668 i will try and check the fuse and hcv tomorow.thnx

[@elizabethkihara2668]

Did you have a chance to look at the fuse?

[@Throughthelurkingglass]

I put a new belt just now, and it got colder😎

[@wannabezhp]

Help i used a Creator c310+ to scan the AC and Heater like u did in this video and i got 2 error codes.. theres no description on them But this is the names that came up -AUC sensor & - AUC heater , so what do they mean? My ac currently does blow it did before i swapped the blower resister a weekend ago and now absolutely no air comes out of vents.

[@alhoodhoud6909]

My ac and heating system is working. I can hear the blower is working but no air comes out from the vents . 2008 BMW 328i . E90. Please what do think? Can you helping me. Thanks

[@wfd760]

Hi how do I fix the issue where air from outside comes in thru the vents? Like if theres a car in front of me in traffic i smell their fumes inside my e46?

[@michaelrivera9822]

Auto AC button selection A symbol on left

[@flybywirekennel]

how would you know that the system is not leaking?

[@therahmansgarage7066]

Hi.. i have a BMW E39 528i '00, My AC sometimes works just fine but when i drove my car for like 2hr it suddenly only blows hot air and sometimes also after like 15 to 30 minutes it's works fine again. What is wrong with it?

[@omairkhan3496]

I have the same issue with my e46. Were you able to resolve the issue?

[@joeycarbone3153]

I have a 323i when I take off the glove box I don't even see a blue relay for the AC

[@coolboysentertainment5846]

i got problem with my aircon., i cant change the fan speed. i took to the shop before for compressor fix and technician said theres issue button with hvac. no issue with the blower. aircon is now cold but i cant change the fan speed. im not sure what he meant by hvac button. do i replace the entire hvac or is it the wiring issue? i have no idea XD

[@mrb3673]

You'll probably find it's the 'hedgehog' resistor behind the dashboard (final stage resistor) this controls the speed of the fans and which vents work, and often goes wrong.

[@Jagger-uk8ff]

Question my ac starts out very cold but after 20 or so min it starts to blow warm humid air.....what could be causing this....it is a 2002 325i e46

[@victorvergara6572]

Amazing videos and excellent explanations guys!!!

[@bobafittness1346]

I have an e46 too and sometimes I turn on the ac it won’t start. After few minutes being turned on it starts. What could it be?

[@omairkhan3496]

I have the same problem with my car. Were you able to solve it?

[@bobafittness1346]

Omair Khan Omair Khan yes. FSR (Final stage resistor) goes under the glovebox)

[@egenerationegeneration]

👍

[@edlorenahernandez]

Hey guys, does anyones knows why the climate control when I turn it on goes off then on again. Some times when is all the way on doesn't work then goes on again. Help pls.

[@juice0wnzzz]

Blower resistor

[@hussamhm]

Hi please help... i have e46 and it’s blowing warm air instead of cold even i refull still blows warm air inside the cabin (I checked the compressor is working cold but the problem still in the cabin warm)

[@phachab3938]

Did you figure it out? Mine does the same.

[@hussamhm]

@@phachab3938 Yes I figured it out, it was the heater Motor cable, at first i buy a new heater motor but doesn’t work so I check the cable out and fix it and start working so check your heater motor first

[@pierredewinter9031]

Very good videos but stop saying GUYS all the time ! Thank you, good bye