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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > M Series > E90/E92/E93 M3 (2008 - 2014)

E90/E92/E93 M3 (2008 - 2014)
4th generation E90 M3 sedan, E92 M3 coupe and E93 M3 convertible. The last of the naturally aspirated M3s, powered by a 4.0 liter V8 making 414hp and 295 lb-ft of torque.

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  #1  
Old 03-19-2015, 12:56 AM
tucker211 tucker211 is offline
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Engine Malfunction

I just purchased a 2008 M3 coupe about a week ago. I love the car, but over the past couple days it gives me reduced engine power message on my iDrive screen and limits the the RPMs to about 4k. Weird thing is, it only does it sometimes, and it's always on startup. It has never reduced the engine power while driving. Either it starts up and works just fine or it starts up and immediately gives me the bad news. I have always wanted a BMW and this is my first one. It totally sucks. I am so down in the dumps over this. I have a scheduled appointment at the BMW center, but earliest availability is 3 weeks from now. It's hard to even drive the car when it has the reduced power cause obviously it is really slow! With that being said the car shows no signs anything is wrong, as in no rough idle, doesn't sound like its misfiring etc. nothing obvious to the ear. Here is a picture of what all it says. And every single time it gives me the message it is always all of theses codes, or none. Any ideas on what it could be????
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  #2  
Old 03-19-2015, 07:31 AM
corchar corchar is offline
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I am not sure about the warning message as my M3 has never done that. I do know that my car does not rev to more than 4K or so when first started. I believe the e9x Bimmer was designed to do rev this way until it warms up.
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  #3  
Old 03-19-2015, 07:51 AM
tucker211 tucker211 is offline
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I have noticed how the RPMs are limited on a cold start and move up as they warm up, but this is different. It stays at 4k the whole time and I have a top speed of 60-65MPH....and it takes me a while to get to that speed lol :/
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  #4  
Old 03-19-2015, 01:35 PM
tucker211 tucker211 is offline
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Little update after taking my car to auto zone to have the scan my car, yes, I do realize that the typical auto zone code readers may not show BMW specific codes...from what I've read anyway. The auto zone scanner gave me a code P1628. I have been googling away and found another M3 that had that code given to him and it turned out to be his throttle actuator. It said that P1628 IS in fact a BMW specific code. This is what I found on the other forum:

P1628 is a BMW specific code. You know whether it's a generic OBD fault or specific BMW one by the second number, i.e,
P0xxx = Generic and
P1xxx Specific
(2B21) is Bank 1 electromotive throttle-valve actuator pre drive check
It's either the wire going to it or the actuator itself.
Replacing the actuator should do the trick



This guy was also having the engine lights/malfunctions as I am.
What are your opinions on the possibility of this being my issue??

Last edited by tucker211; 03-19-2015 at 01:37 PM.
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  #5  
Old 03-21-2015, 06:46 AM
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foolio foolio is offline
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I have heard that this is not an uncommon issue.
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  #6  
Old 03-21-2015, 06:49 AM
tucker211 tucker211 is offline
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Well, Monday I will have a scanner tool in that I ordered so I can verify what is wrong for sure. I kind of hope it's not the throttle actuator, because that part is around $900:/
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  #7  
Old 03-21-2015, 10:41 PM
corchar corchar is offline
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Guess what, after I posted to this question I took my Baby out and it went into limp mode.

I was getting on it when it did the reduced speed crap yesterday. My scanner has the P1209 code.

I cleared the code but it came back. Good thing I have an extended warranty with ZERO deductible.

I have an appointment with my mechanic on Tuesday.
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  #8  
Old 03-23-2015, 09:09 PM
tucker211 tucker211 is offline
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Sorry to hear you're having issues! Let me know what you find out. I just got my scanner in today and received these codes. So I'm assuming I need to replace the throttle actuator. Also from things I've read, the throttle actuator can cause a bunch of other codes to appear, but the only problem being the throttle actuator.

CDCO - Throttle valve Actuator CAN message, Bank 2/Throttle actuator DPR Overwrite Error
2B2D - Throttle Vale Initialization bank 2
2B22 - Throttle Valve Actuator Predrive Check Bank 2 (P161F Thottle valve actuator spring test malfunction during opening (Bank 2))
2B57 - Motor Emergency Program Activated/Safety Concept Torque Limitation Level 1
2B21 - Throttle Valve Actuator Spring
2737 - MAP Sensor
27B2 - Secondary Air Pump
2B15 - Throttle Valve Actuator, Governor Monitoring, Bank 1
2738 - MAP Sensor
2B25 - Throttle Valve Monitoring

It appears to be the actuator on Bank 2, but what does the "Governor Monitoring, Bank 1 mean"??

Do any of you think if I replaced the throttle valve actuator on bank 2 that that would solve my problem??
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  #9  
Old 03-23-2015, 09:21 PM
tucker211 tucker211 is offline
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I cleared the codes, then restarted my car twice. First time was clear. Second time I was back in limp mode but only had the codes 2B2D, 2B22, 2B57.
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  #10  
Old 03-24-2015, 08:42 PM
corchar corchar is offline
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Found out today that I have a vacuum leak in my brake system. I forgot the name of the part that is placed on order. I'll let you know on Friday after I pick my car up.
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  #11  
Old 03-24-2015, 11:55 PM
tucker211 tucker211 is offline
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Oh I see. Very expensive? I just ordered a throttle actuator....$956 with shipping...sucks!!! But, oh well. If that's the only problems I'm having in my life then I suppose I'm not doing too bad.
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  #12  
Old 03-25-2015, 06:27 AM
corchar corchar is offline
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My extended warranty is paying for it. Parts and labor is almost $500. I have 6 more years and 65K miles on the plan. Almost didn't get the warranty but thought long and hard, I believe it's well worth it. Who knows what will go wrong with the car.
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  #13  
Old 03-25-2015, 06:28 AM
corchar corchar is offline
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By the way I'm going to get my money worth!
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  #14  
Old 03-26-2015, 01:24 PM
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mawana mawana is offline
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Quote:
Originally Posted by tucker211 View Post
Oh I see. Very expensive? I just ordered a throttle actuator....$956 with shipping...sucks!!! But, oh well. If that's the only problems I'm having in my life then I suppose I'm not doing too bad.
Yep, they are not cheap and there are two of them! I don't know if you doing the work yourself, I did when my bank 2 crapped out and how I wished I had replaced at once. I guess I can't complain much as it close to a year after the repair.
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  #15  
Old 03-26-2015, 02:51 PM
tucker211 tucker211 is offline
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I am doing the repair myself, just doing 1 though. I really considered doing both, but I just can't spend the money right now. So hopefully the bank 1 actuator will last a little while longer. But when it does go out at least I'll had done the repair once and should make it pretty easy. Never worked on a BMW before and I am kind of nervous lol. At least I have a write up on how to do it.....still a little scary
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