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2010 2011 BMW 5 Series Forum F10 F10 Technical Topics Wheels / Tires / Suspension / Brakes Need Help! X drive 20' fitment problem
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      04-25-2014, 01:16 AM   #1
Alexxxb
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Need Help! X drive 20' fitment problem

my car is a 2012 F10 535xd
after a lot of wishful thinking i bought a set of 20' rims
Z performance, ZP8 deep concave

20x8.5 ET 35 front
20x10 ET35 rear

tires Michelin PS 255 front and 285 rear

now the problems starts, the car brakes itself after 20kpf, no errors on dash, no rubbing at all

is it the x drive system?
the ET should be different front and rear?

any advice is more than welcome, thank you
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      04-25-2014, 01:23 AM   #2
MELLOWYELLOW06
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The et had nothing to do with it though you could use a 10 mm spacer up front for a cleaner more flush look

You will need a 245 35 20 up front to be more balanced out on terms of o.d. To keep x drive in check
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      04-25-2014, 08:50 AM   #3
RaceTruk
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you need <1% difference in rolling diameter
you didnt state the heights of tires so we cannot help you
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      04-25-2014, 08:52 AM   #4
Alexxxb
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255 35 20 front
285 30 20 rear
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      04-25-2014, 09:01 AM   #5
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You need 245/35/20 fronts and 285/30/20 rears and you'll be fine
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