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Control Arm Ball Joint Replacement
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#2
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Which control arms you are talking about? Front tension strut has a separate ball joint as is but on other parts it's virtually impossible to renew the ball joints without factory tools and good quality parts are not available separately.
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E39 530dA -02 M-Sport Messing metallic E53 X5 3.0dA -06 Sport Stratus grey |
#3
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Front lower control arms and rear control arms.
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#4
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I would say that better to forget renewing those ball joints separately.
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E39 530dA -02 M-Sport Messing metallic E53 X5 3.0dA -06 Sport Stratus grey |
#5
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I figured as much, but thought I'd ask. There's a lot of experience on these forums. Thought maybe someone might have tried it. Thanks for your response!
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#6
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On the arms I've replaced it was the ball joint that failed usually from the seal failing. Keep them supple with the magic transmission additive I forget the name but I have a bottle I'll look when I pass it next time.
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#7
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When I did the whole front end last summer I used these guys for their pressed in metal bushings on their control arms. Recommended by a friend who is an SCCA instructor and X5 enthusiast https://mooseheadengineering.com/#!/...egory=13660412
If you're going to go through the trouble to pretty much disassemble the ball joints, then go all-in so you know that every bushing is fresh.
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2006 E53 4.8is - Imola Red 2, Cream Beige all day er’ day |
#8
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Any silicon based grease should do the trick. I've used ATE brake cylinder paste for every rubber part like dust seals and o-rings (mainly on the coolant system, makes it easy to install too). If you replace any of the original Lemförder parts the dust seals are usually still intact, so take them aside just in case.
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E39 530dA -02 M-Sport Messing metallic E53 X5 3.0dA -06 Sport Stratus grey |
#9
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Quote:
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#10
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It's not easy...but I replaced my rear control arm ball joints. Definitely was needed after 186k miles. I also did the front control arm ball joints too. Tho...there's not that much rust here in the PNW.
I used this tool: https://www.autozone.com/loan-a-tool...ece/449947_0_0 If you get a "loaner tool" with an arbor that is slightly bent...it makes everything difficult. Anyway...there's a trick to it. I will say that freezing the new ball joint def helps with installation.
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2003 BMW X5 3.0i -- MT5, 3.64s final gears, H&R lowering springs, K-Mac bushing kit 2007 BMW X3 3.0Si -- MT6 |
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