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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N47 and N57 Turbodiesel Engine / Drivetrain / Exhaust Modifications > 420d Exhuast Rattle
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      12-24-2018, 11:26 AM   #1
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Drives: BMW 420d M Sport
Join Date: May 2018
Location: Cambridge, UK

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420d Exhuast Rattle

Hey everyone,

Looking for some advice on my 420d.

Recently Iíve noticed a rattling on startup/idle either from cold or warm start. Done some prodding and seems that if I lift the exhaust tip the rattle stops. Could it be a mounting that needs changing?

Rattle isnít heard when revving or accelerating/driving.

Any other ideas?

Will be taking it to a specialist after the holidays but just wanted to see if anyone else has had a similar experience!

Thanks in advance
Appreciate 0
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420d, diesel, exhuast, rattle

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