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7 Series - E38 (1995 - 2001)

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  #1  
Old 01-25-2012, 09:59 PM
Kevin Halbleib Kevin Halbleib is offline
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Location: Louisville
 
Join Date: Oct 2011
Posts: 100
Mein Auto: 740il
98 740iL - MAF sensor and service engine light

I have a 1998 BMW 740IL

Went to dealer to have a different problem fixed. While it was there the Dealer said my MAF sensor was bad and would need replaced to solve the Service Engine light. Car ran fine. Just the light was on.

Anyway, Had a friend with a couple of scrap 740IL's ( by the way, he still has them Good engine's and body parts if you know anyone looking to purchase ).

I took one of the MAF sensors off and put it into mine. After several hours of driving the light went off.. Awesome! thought I was fixed.

A day later, the light came back on.... Any suggestions? I took another MAF off the other spare BMW. LIght still on.

Car is running fine. Just the light is on.

Any suggesions would be appreciated.
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  #2  
Old 01-26-2012, 09:47 AM
kimokk kimokk is offline
**Bimmer DIYer**
Location: Alexandria, VA
 
Join Date: Dec 2009
Posts: 161
Mein Auto: 00 740iL, 97 M3
Did you scan for codes? Usually service engine light is emissions related.
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BMW '00 740il w/212,xxx miles, DIY timing chain guides complete! M60 Manifold, BDC Throttle Body, Performance gearing 3.46 LSD, Magnaflow Mufflers
BMW '97 ///M3/2/5 w/96,xxx miles
BMW '91 ///M5 w/156,XXX Smiles
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