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| 04-11-2014, 09:02 PM | #1 |
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Major General
 
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Car Feels Bouncy
The 135i rear feel really bouncy over bumps and it's really annoying. I've even had the car lift off once in a turn and it doesnt inspire confidence. What can be done to improve this?
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2 x N54 -> 1 x N55 -> 1 x S55-> 1 x B58
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| 04-11-2014, 09:07 PM | #2 | |
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Colonel
 
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| 04-11-2014, 10:07 PM | #3 | ||
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Major General
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Quote:
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2 x N54 -> 1 x N55 -> 1 x S55-> 1 x B58
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| 04-12-2014, 04:43 AM | #4 |
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Colonel
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This is what you get on a car designed for comfortable ride on RFT tires. Lets say a big thankyou to BMW!
The suspension is really soft. It needs a damper upgrade = True. However it will still have unpredictable rear end weirdness until you replace the stock subframe bushings. I know because I tried the BMW performance suspension first without the subframe bushing upgrade. Later I went with the M3 subframe bushing upgrade and found that it improves pretty much every aspect of the handling. You can make a good improvement with a few changes: Conventional (Non-RFT) tires, Better dampers, M3 Front sway bar, M3 rear subframe bushings. Its a pity because you wouldn't need to spend the time and money if BMW had done the right thing in the first place. |
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| 04-12-2014, 05:07 AM | #5 |
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Captain
 
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Subframe bushes or whiteline inserts first, then normal tyres and shocks/springs.
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