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      07-09-2019, 04:43 PM   #18
AoS810
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Drives: 2008 E90 N51, 2011 E91 N52
Join Date: Oct 2009
Location: Los Angeles, CA

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Quote:
Originally Posted by maf330xi View Post
Do you also have these symptoms:
- When you're coasting, does your RPM fluctuate?
- entire car shudders when changing gears (automatic). Usually lower gears.
- When coasting my RPM does NOT fluctuate. That almost sounds like a crankshaft position sensor going bad? Definitely scan for codes and see if that pops up.
- My car does not shudder when changing gears (GM trans). The only "shuddering" is upon going from P to R, or from D to R, sometimes P to D and the slightly rougher idle. I haven't experienced anything odd shifting between gears, even lower ones.
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