front knocking - BMW Forum - BimmerWerkz.com
3-Series (E46, E90) Chat relating to the BMW 3-Series from 1999 to Current. Models include: BMW 316i, BMW 318i, BMW 318Ci, BMW 320i, BMW 323i, BMW 325i, BMW 330i, BMW 328 Ci, BMW 328i, BMW 325i/xi, BMW 330Ci, BMW 320d, BMW 330d, BMW 335d.

 
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#1 (permalink) Old 07-13-2008, 06:42 AM
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front knocking

HI

I have a 2000 bmw 318 coupe and it has a knock in the front i have replaced the bushings and the ball joints but its still there on bumpy ground
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#2 (permalink) Old 07-13-2008, 11:57 AM
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Red face

it'll be hard to diagnose your case online owing to the many moving parts(both metal and rubber) that comprise your suspension system.

You might start by checking the bolts & lock nuts on your strut tower. Inspect the rubber parts also for signs of cracking or wear. Try and distinguish the sound you hear... a dull sound would mean a rubber part going bad; whereas, a sharp sound would mean a metal part, touching another metal part. In the latter case, you should be able to spot "shiny" wear marks where the metals touch.

Good Luck.
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