E46Fanatics - View Single Post - CEL light on....SAP bad and other engine performance problems
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Old 01-23-2013, 09:14 PM   #24
OEM ///Member
Join Date: Nov 2009
Location: Fairfax, VA USA
Posts: 23,192
My Ride: 330CiC, M5, X5, E93
O2 graph looks pretty good.

You really need a MAF based upon the Gram per Second values you are reading. I had my 1.8T VW out today and it even was getting up to 70+ Grams per Second when I jumped on it a bit, not wide out.

I was still using my Launch Creader VI for this.

Suggest a source like ECS, BimmerZone, AutoHausAZ, BMA Parts, possibly even Amazon.

I will try to see what my 2006 E46 330cic looks like if I can get any info without removing it.

Since it is not original, I would think it is a counterfeit or wrong application??

I put the Siemens number you had on Google and almost everything came up Ebay and had China associated with it.


Replace your MAF, you will be likely have a good running engine.
Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616

Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501

Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temp, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose temp switch O-ring - BMW #13621743299

Last edited by jfoj; 01-23-2013 at 09:15 PM.
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