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      01-20-2013, 02:35 PM   #1
DaveSakky135
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Suspension Question

My 135 is about to hit 100k. The suspension doesn't feel too bad, but i have been noticing some excessive noise over bumps sometimes like a clanking from the front.

My question is what parts should be replaced around this amount of miles? I have a set of shocks and struts as well as a front sway bar from my first 1er that i crashed with 30k miles on them. Should i just throw those one?


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      01-20-2013, 04:20 PM   #2
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I would look closely at your ball joints and control arms.

Over here in Germany the shops have a machine that can vibrate and wiggle the suspension and see whats worn. They can even dyno the suspension and print you out a graph to show you whats worn. But I don't think things are that advanced as far as suspension diagnostic equipment. Just take your car to a good repair shop and have them look things over.

You might want to upgrade to the M control arm bits that many 1Addicts have done. $400 to $700 for all the parts plus install.
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      01-20-2013, 10:22 PM   #3
DaveSakky135
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Thanks for the input! So it looks likes it more the control arms than the struts and shocks?
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      01-21-2013, 02:24 PM   #4
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Also could be a wheel bearing that is going out. Having it checked out might not be a bad idea
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      01-23-2013, 06:19 PM   #5
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Quote:
Originally Posted by DaveSakky135 View Post
My 135 is about to hit 100k. The suspension doesn't feel too bad, but i have been noticing some excessive noise over bumps sometimes like a clanking from the front.

My question is what parts should be replaced around this amount of miles? I have a set of shocks and struts as well as a front sway bar from my first 1er that i crashed with 30k miles on them. Should i just throw those one?


Thanks
Front tension rods and upper strut mounts to start. Have a look at the struts too as they tend to lose their gas charge in as low as 25-30K miles.
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      01-26-2013, 07:08 PM   #6
DaveSakky135
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Thanks guys!
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      02-04-2013, 10:50 AM   #7
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My experience with BMW suspension is that with regard to the shocks, even non-Bilstein parts have a service life much longer than 100K miles. I've owned 8 BMWs and many have gone over 150K miles before the shocks needed replacement. YMMV of course, but as a rule of thumb I'd say at 100K you've still got lots of life left in the shocks.

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