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      03-31-2017, 08:16 AM   #1
DOCTOR.Y
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Injector noise only in B58?

Just wondering as coming from a modular design, why injector noise is not noticeable on B48? On B58 it is very noticeable especially with stock exhaust (quiet) Anyone has a good answer?
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      03-31-2017, 08:41 AM   #2
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Quote:
Originally Posted by Eric_Y View Post
Just wondering as coming from a modular design, why injector noise is not noticeable on B48? On B58 it is very noticeable especially with stock exhaust (quiet) Anyone has a good answer?
Maybe because it's a 4 cylinder you hear the engine itself. I was hearing it when watching a video review by Scott Smith BMW of a 330i. That engine had some chatter to it and the exhaust note was not good. It does seem to vibrate less than the N20 which seem to shake quite a bit at idle when viewing the engine with the hood open.
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      03-31-2017, 02:18 PM   #3
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      04-01-2017, 12:45 AM   #4
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Not sure, but I know with the six-cylinder (b58) it sounds and idles like a diesel.
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