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Old 10-14-2012, 02:45 PM
Bluesea Bimmer Bluesea Bimmer is offline
BMW Junkie
Location: Nashville, TN
Join Date: May 2012
Posts: 2
Mein Auto: 2009 Z4 Deep Sea Blue
Specs for 2009 Z4 35i 18 inch Wheels/Tires

HI All -

I living in Tennessee and need to purchase a set of winter (cold weather) tires for my 2009 Z-4 35i/sports package. Car currently has 19 inch wheels with Bridgestone RFT Potenza high performance summer tires:

Front 225/35 R 19
Rear: 255/30R 19

Can anybody tell me the correct 18 inch wheel/tire specs for this car? I asked at the dealer and they acted like nobody ever asked this question before.

I am a novice to this but I understand I need to know the bolt pattern and offset (?) in order to purchase the correct wheel/tire package. I checked my owner's manual and do not see that level of detail provided.

Thanks very much in advance!
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