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      12-05-2022, 09:45 PM   #2
StradaRedlands
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Drives: 2006 BMW 330i MT
Join Date: Dec 2021
Location: SoCal

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Garage List
2006 BMW 330i  [8.21]
2009 BMW 328i Touri ...  [7.90]
2013 BMW X5 35i  [7.63]
2011 BMW 528i  [8.75]
2006 Mazda3  [5.50]
Just a guess, but is it coming through speakers? If so, unshielded wiring or component interference?

If not, maybe drive shaft bearing?

Maybe AC pulley?

Just guesses though if you've already looked at belts/tensioner.
Appreciate 0