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///M3 Forum
The BMW E46 ///M3 is the M version E46 and puts out an amazing 333 HP and 262 lb-ft of torque at stock specs! There are an amazing amount of modifications for both the coupe and convertible models so read up and get started modifying your cars today!

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Old 07-13-2013, 10:41 PM   #1
NicenLoW
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Join Date: Aug 2010
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My Ride: E46 JB AA S/C
CEL Nigtmare!

This might and might not be related to the supercharger but ill post it here anyways.

I have an 03.5 M3 68k with AA stage1 gen 2 supercharger kit. Im getting hesitations randomly. I cleaned the maf it got a little better until today. Today I felt a huge change it is missing, hesitant, rough, doesn't pull hardly at all. I stopped by Advance Auto and here are my codes

P0175
P0206
P0012
P0010

I have Searched these codes they don't seem that related other than to P0010,P0012. I was hoping one code may of triggered others but maybe you guys have some experience with some of these.

It has had the fuel adaptations reset
02 sensors recently changed
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Old 07-14-2013, 07:16 AM   #2
matthias2280
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CEL Nigtmare!

If your O2's were recently changed I suspect they were not plugged up properly. Trace the cables to make sure everything is plugged in where it should be. I've seen random codes pop up because the sensors were cross connected. Good luck...


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Old 07-14-2013, 08:12 AM   #3
NicenLoW
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thank you for some input!
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Old 07-14-2013, 05:31 PM   #4
NicenLoW
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Any other input would be helpful I honestly don't have a clue.
I will check the 02 sensors, bc that was done before I purchased the car.
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Old 07-14-2013, 06:40 PM   #5
turbo_f22_pilot
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Check the O2 sensors and cables. Check in your regional forum and see if you can get a local fanatic to read all your codes (BMW specific reader), then clear them and see what all comes back.
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Last edited by turbo_f22_pilot; 07-14-2013 at 06:40 PM.
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Old 07-14-2013, 08:31 PM   #6
NicenLoW
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k thats a pretty good idea. I actually live 3 miles away from Bimmerworld. haha but they stay pretty busy during race season.
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Old 07-17-2013, 05:08 PM   #7
NicenLoW
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Re: CEL Nigtmare!

If the o2s are in right location but plugged in backwards like both post cat o2s was swapped around, would that matter?

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Old 07-19-2013, 08:26 PM   #8
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Re: CEL Nigtmare!

Bump

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Old 07-20-2013, 08:11 PM   #9
NicenLoW
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from the what ive gathered the p0010 and p0012 are pointing at the vanos solenoid? Do you guys think that might be the problem and the other codes just was sparked form the 10/12 codes
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