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Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 01-10-2013, 12:58 PM   #1
E46 diamond
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Join Date: Nov 2012
Location: Co.westmeath Ireland
Posts: 24
My Ride: E46
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My E46 revs up to 3000 rpm when I plug in my mass airflow sensor in. Why could this be happening. I tried 2 mafs and the result is the same. Any help

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Old 01-21-2013, 11:05 AM   #2
///Mpower3357
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Join Date: Sep 2011
Location: Cincinnati
Posts: 114
My Ride: 00' 323i
When its unplugged does it run normally?
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