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07-20-2020, 08:46 AM | #1 |
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right rear is getting bouncy, what are my options?
Eventually I want to do Bilstein B8 and BMW performance springs all around, but I am wondering what I can get away with before i do a full suspension refresh.
Last edited by Dekdo; 07-20-2020 at 09:53 PM.. |
07-20-2020, 09:32 AM | #2 | |
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Probably least expensive stop gap fix would be Bilstein B4. B6's will work, but they aren't cheap and I think you'd have sub-optimal dampers if and when you installed BMWP springs. General concensus is B8's pair better with the BMWP springs. However, there isn't a clear answer on what Bilsteins are best for BMWP springs. If you don't mind a bit more drop than the BMWP springs, a good setup is the Bilstein B12 kit. See the thread just above for a recent discussion.
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07-20-2020, 12:07 PM | #3 | |
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I see so maybe I’ll do the B8’s with the BMWP springs then since I don’t want to lower it too much. |
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07-20-2020, 12:28 PM | #4 | |
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And you may know this - BMW springs, whether sport or Performance, have 3 or 4 'grades' with a certain one being suitable for your car based on model and options (effectively weight).
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07-20-2020, 05:38 PM | #5 | |
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Shock mount lower Shock mount upper Shock bump stop Anything else? |
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07-20-2020, 08:55 PM | #6 | |
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- the rubber sealing grommet. Neither are expensive and you should be ok to reuse them when you get your BMWP springs. - the bolts for the lower shock mounting (2 per side and kind of pricey for a torx bolt) For the upper mounts, Monroe makes a hard rubber product that is inexpensive and a bit of an upgrade from the foam-like OE ones. (I'm assuming you're are NOT on runflats). I don't know if the B4 has internal bumpstops. If not, you will almost certainly need new bumpstops unless they were replaced recently. They tend to degrade to the point of crumbling.
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