ZPOST - View Single Post - Tire fitting question: 235x40 or 245x40 on 18x8.5

pusanpa · 02-10-2024, 12:13 AM

I recently got a 2006 Z4 with 20k (ODO) and have a tire fitting question. I will have 18x8.5 ET39mm BMW wheels on the rear. Should I put 235x40 or 245x40? The car has stock suspension.

02-10-2024, 12:13 AM	#1
pusanpa Registered 0 Rep 1 Posts Drives: Z4 coupe Join Date: Feb 2024 Location: Norcal iTrader: (0)	Tire fitting question: 235x40 or 245x40 on 18x8.5 I recently got a 2006 Z4 with 20k (ODO) and have a tire fitting question. I will have 18x8.5 ET39mm BMW wheels on the rear. Should I put 235x40 or 245x40? The car has stock suspension.
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