Thread: Annoying squeak
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      08-09-2020, 06:04 PM   #2
M5Yams
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Drives: 2015 bmw m5 competition
Join Date: Apr 2020
Location: Fort wayne, Indiana

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Do you have stock exhaust? If so it's more than likely your rear exhaust valve flaps. Happens for 1/4 second or so and stops correct?