285 30 21? Please help

09 young bmw · 04-29-2019, 01:34 PM

Came across these for all season 21 inch non run flats , Can anyone confirm these will work good on the F chassis?

285/35zr/21

Vs

285/30zr/21

pk9394 · 04-29-2019, 03:27 PM

do some search, you will find some good info, this has being talk about it in many many posts

pachieh · 04-30-2019, 06:49 PM

Any reason why you are looking for a thinner sidewall on all seasons? Are they cheaper?

Also, only for the fronts? If so, you gotta keep the ratio of sidewall between front and back within a certain limit (forget what it is for our cars) so speedo and other sensors aren't thrown off.

04-29-2019, 01:34 PM	#1
09 young bmw Private 2 Rep 54 Posts Drives: nice Join Date: Mar 2011 Location: ny iTrader: (1)	285 30 21? Please help Came across these for all season 21 inch non run flats , Can anyone confirm these will work good on the F chassis? 285/35zr/21 Vs 285/30zr/21
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04-29-2019, 03:27 PM	#2
pk9394 Second Lieutenant 94 Rep 239 Posts Drives: X5M Join Date: May 2018 Location: USA iTrader: (0)	do some search, you will find some good info, this has being talk about it in many many posts
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04-30-2019, 06:49 PM	#3
pachieh Captain 245 Rep 639 Posts Drives: '17 X5M Join Date: Apr 2017 Location: MD iTrader: (0)	Any reason why you are looking for a thinner sidewall on all seasons? Are they cheaper? Also, only for the fronts? If so, you gotta keep the ratio of sidewall between front and back within a certain limit (forget what it is for our cars) so speedo and other sensors aren't thrown off. __________________ 2017 X5M, Donnington Grey, Aragon Brown Eisenmann Pro, Dinan Intake, BM3 Stage 1, XHP Stage 3 21" Vossen VFS-1 on Michelin PSS
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285 30 21? Please help