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Old 01-18-2021, 01:46 PM
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Maruzo Maruzo is offline
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Quote:
Originally Posted by Dave00 View Post
Sounds normal to me as these S63 motors have very very noisy injectors and that's the rhythmic sewing machine sound you hear. Make sure the injectors have been replaced under warranty as they are on a recall and you want the index 12 injectors.

https://www.xbimmers.com/forums/show....php?t=1214699
My X5M was at the dealership last week for a failed FRM module. Work was covered by BMW NA. I mentioned the SIB 13-08-15 to them but they say they will not replace the injectors unless the car is throwing an injector error or that the injector is actually failing.

Does anyone have an injector failure code?

Car is running fine but the injector noise is audible. It is prominent and louder in city street driving. Not sure if the sound is qualified as loud or abnormal. I suppose if it's not bothering me too much it probably isn't serious.

I do get a hum that comes and goes, but is always there. Wondering if it's an alternator pulley or some other pulley or drive bearing noise.

Will get a recording of it next time.
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