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      11-12-2016, 12:10 PM   #1
nickyboyboy
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Need some help regarding 2739 MAF fault(when there is no maf sensor)

Hi guys would really appreciate if someone could point out what the problem is. Im having fault 2739 DME: Air mass sensor secondary air fault. I know that our m3 doesnt have a MAF sensor.

The car drives fine but the problem is during cold starts im having stalling issues. I have a vt2 625 ess supercharger on the car as well.

Thanks guys!
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      11-12-2016, 10:40 PM   #2
Mike Benvo
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Quote:
Originally Posted by nickyboyboy View Post
Hi guys would really appreciate if someone could point out what the problem is. Im having fault 2739 DME: Air mass sensor secondary air fault. I know that our m3 doesnt have a MAF sensor.

The car drives fine but the problem is during cold starts im having stalling issues. I have a vt2 625 ess supercharger on the car as well.

Thanks guys!
It does have a Mini HFM on the secondary air circuit - and you're getting a code for the flow it's seeing (or not seeing) there.
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      11-13-2016, 12:21 AM   #3
nickyboyboy
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Hi Mike thanks for you reply. Regarding the hfm do you suggest I replace the part?
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