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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      09-20-2012, 08:09 AM   #1
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For those of you that have up'd to 225/255

Just wondering how the car responds to the size upgrade! I find that even the stock sizes tend to really follow all the ruts and dips in the road! Just wondering how the car tracks with the 225 fronts and 255 rears? Does it follow Ruts even worse?
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      09-20-2012, 06:38 PM   #2
Pig Farmer
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If your comparing non-RFTs, there's no difference at all.
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      09-21-2012, 03:35 AM   #3
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Going from the stock size'd RFT's to 225/255 Non-runflats I felt a huge difference. On the interstate it would follow the impression's in the road and just move around a lot. But now the car just drive's with little or no movement left or right while driving straight. Grip is better too but it should be since the stock RFTs are crap.

But going from stock size non-run flat's to 225/255 non-run flat's probably the only difference you could feel is a bit of better grip with the tad bigger size on the front tires and a bit better traction from the bigger size in the rear. Everything else would be the same.
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