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E90/E91/E92/E93 (2006 - 2013)
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  #1  
Old 11-08-2013, 12:13 PM
Doherty224 Doherty224 is offline
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e92 335i unique "reduced engine power" scenario

Hi everyone,
(sorry for another thread)

Im new to the forum and I know there are a million conversations about all the different possible problems we can have when it comes the dreaded "reduced engine power light." Ive had my 08 e92 335i for about 6 months and the car has thrown the light on 3 separate occasions all several months apart. The car first threw the light a day after I bought it. I was driving normally and the car threw the light and entered limp mode. Restarted the car and it was fine. Then a few months down the road it did the same thing, and now again this morning. The odd part about this is that my car has given me ZERO symptoms other then randomly entering limp mode on these 3 occasions. It starts strong, runs strong and seems completely healthy otherwise. My thoughts are maybe a bad sensor? or the computer has just glitched on these occasions? My car is a 6MT, has a dinan exhaust on it and is at 58k miles. Has anyone else had a similar situation? and any suggestions? going to the dealer on tuesday for diagnostics otherwise

thanks guys
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  #2  
Old 11-08-2013, 01:01 PM
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Zooks527 Zooks527 is offline
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Mein Auto: 2009 335i xDrive coupe
Well, you certainly need to pull some codes and see what's going on. There's a $150 OBD Bluetooth module floating around out there that does BMW codes if you don't want to pay the dealer. That being said, "occasional CEL with no further information" pretty much limits the response you can get here.
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ED May 12, 2009, Munich dropoff May 16, Redelivery June 22, 2009




Prior 33 years of cars: 1967 BelAir wagon / 1968 LeMans Tempest / 1970 Mustang Mach 1 / 1972 El Dorado / 1978 Corvette (kept until first Bronco) / 1981 Subaru GL wagon AWD / 1983 s10 Blazer 4x4 (big mistake) / 1985 Bronco 4x4 / 1996 Bronco 4x4 / 2004 Passat 4motion
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  #3  
Old 11-08-2013, 03:22 PM
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CALWATERBOY CALWATERBOY is offline
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Mein Auto: 2009 E93 N54
Quote:
Originally Posted by Doherty224 View Post
Im new to the forum and I know there are a million conversations about all the different possible problems we can have when it comes the dreaded "reduced engine power light." Ive had my 08 e92 335i for about 6 months and the car has thrown the light on 3 separate occasions all several months apart. The car first threw the light a day after I bought it. I was driving normally and the car threw the light and entered limp mode. Restarted the car and it was fine. Then a few months down the road it did the same thing, and now again this morning. The odd part about this is that my car has given me ZERO symptoms other then randomly entering limp mode on these 3 occasions. It starts strong, runs strong and seems completely healthy otherwise. My thoughts are maybe a bad sensor? or the computer has just glitched on these occasions? My car is a 6MT, has a dinan exhaust on it and is at 58k miles. Has anyone else had a similar situation? and any suggestions? going to the dealer on tuesday for diagnostics otherwise

Near 60k mi you say?

You got the dirty....


.

Last edited by CALWATERBOY; 11-08-2013 at 03:24 PM.
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  #4  
Old 11-08-2013, 05:42 PM
Doherty224 Doherty224 is offline
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Location: California
 
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Mein Auto: 08 335i, 06 Cayman S
Quote:
Originally Posted by CALWATERBOY View Post
Near 60k mi you say?

You got the dirty....


.
What makes you think this is my issue? like I said it's is very infrequent
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  #5  
Old 11-08-2013, 07:35 PM
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CALWATERBOY CALWATERBOY is offline
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Quote:
Originally Posted by Doherty224 View Post
What makes you think this is my issue? like I said it's is very infrequent

Well, without codes, can't say for sure. But typical for your mileage. Even if that's not it, needs doing.
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  #6  
Old 11-08-2013, 08:00 PM
#propaganda #propaganda is offline
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Mein Auto: 2007 335i sedan base
e92 335i unique "reduced engine power" scenario

Had the reduced power happen to me several times before it finally crapped out. Ended up being injectors. If that's the case.. No bueno.. Dealer charged me 1500..


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  #7  
Old 11-08-2013, 11:14 PM
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CALWATERBOY CALWATERBOY is offline
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Originally Posted by #propaganda View Post
Had the reduced power happen to me several times before it finally crapped out. Ended up being injectors. If that's the case.. No bueno.. Dealer charged me 1500..

Coulda removed & rebuilt - ain't hindsight great - guess instead they charged for new injectors and retained the old ones....and had 'em rebuilt to sell as new for the next job. Buy one injector; resell maybe 100 times at new injector price for the cost of inexpensive rebuild.

Mileage?




.

Last edited by CALWATERBOY; 11-08-2013 at 11:27 PM.
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  #8  
Old 11-26-2013, 09:41 AM
soccerjj01 soccerjj01 is offline
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My car went into the limp mode & the end result was two VANOS solenoids replaced @~ $1K
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  #9  
Old 11-26-2013, 10:17 AM
swillkill swillkill is offline
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mine did that a few times. ended up being low tire pressue - slow leak.
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  #10  
Old 11-26-2013, 01:54 PM
Doherty224 Doherty224 is offline
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Location: California
 
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Mein Auto: 08 335i, 06 Cayman S
e92 335i unique "reduced engine power" scenario

My car ended up being the exhaust vanos solenoid but bmws recommendation to me was to leave it be, and they just threw a new sensor in for free


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