BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)


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      05-10-2013, 01:13 PM   #1

Drives: 2009 135i (auto)
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Springs with stock shocks

Hey guys I was wondering what's the lowest drop I can pull off and still use my stock shocks without blowing them or shortening the life of them. I only have 37k miles on them so don't really want to replace them just yet. I would like your thoughts on what springs to go with on the stock shocks. Thanks
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      05-11-2013, 12:51 PM   #2
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Lowering the car at all on the stock dampers will shorten the life span of the damper itself. Obviously a greater drop will wear it out faster. Imagine walking around in a squat all day. That's what you're asking the dampers to do when you use lowering springs.

I'd say you're probably safe with ~1 inch. Lower than that and I would just go the coilover route.
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      05-11-2013, 04:01 PM   #3
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I agree with the above. I run eibach springs because they're only an inch drop, mine work perfect on my stock shocks and the ride is only a bit stiffer than stock, no bouncing or other symptoms of a bad shock/spring setup.
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      05-11-2013, 06:51 PM   #4
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You'll have everything apart, just replace 'em.
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