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05-23-2018, 06:03 PM | #1 |
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Is this belt squeak? Or something else?
I can't seem to pinpoint the noise, but it seems to be coming from where the belt/alternator is. It only happens after cold start and is gone after idling for about 5 minutes. Car is an 09 135i and has 54k miles on it. I assume it has the original belt. The idle pulley and belt tensioner were replaced around 4k miles ago. Any ideas? |
05-26-2018, 05:33 AM | #2 |
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Doesn't quite sound like belt squeak to me. Not sure what it is tho. Does it change when you rev the motor?
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2011 135i w/ DCT | ZSP Sport Pkg | PPK | Ohlins R
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05-28-2018, 10:39 PM | #3 |
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