2008 535i Check Engine Light/Does it have MAF or MAP or both?
03-01-2019, 04:58 PM
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My Ride: BMW 535i
Model Year: 2008
2008 535i Check Engine Light/Does it have MAF or MAP or both?
2008 E60 LCI 535i Twin Turbo: Check Engine Light On. Does it have MAF or MAP or both? Check engine light turned on just in time for the yearly inspection. I read some forums that the MAF can be cleaned and usually works. I removed and cleaned what I thought was the MAF but today after research I realized I removed and cleaned the MAP. It made a big difference in MPG so far, it went from around 16mpg since I can remember to almost 20mpg and probably more on longer non stop drives. Why has the Check engine light not turned off, after cleaning of MAP I’ve driven aprox. 50-60 miles. At the end since I seen light did not erase I disconnected battery cables and left it unplugged but even that didn’t erase code. Does the car have both the MAF and MAP. Thanks for any and all info.
03-02-2019, 10:49 AM
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No MAF, just MAP. If your CEL was triggered by the dirty MAP, it will take several start/run/stop cycles before it goes out by itself, not mileage. I'd suggest getting your codes checked - you need a scantool that does deep BMW codes for best results, but a generic scanner should show the basic codes.
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