545i Sport-Package Wheel Sizes
09-21-2005, 05:23 PM
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Hi All:
Are the 545i sport-package front and rear wheels 8.5" and 10" wide, respectively? Thanks much.
Are the 545i sport-package front and rear wheels 8.5" and 10" wide, respectively? Thanks much.
09-21-2005, 06:53 PM
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Originally Posted by donv' date='Sep 21 2005, 08:23 PM
Hi All:
Are the 545i sport-package front and rear wheels 8.5" and 10" wide, respectively? Thanks much.
Are the 545i sport-package front and rear wheels 8.5" and 10" wide, respectively? Thanks much.
[snapback]173383[/snapback]
Next questions. Are 275/35-18's too wide for 18 X 8.5 wheels? Do 18 X 10 wheels work on the rear of the 545i with 275/35-18's.
09-21-2005, 11:03 PM
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Originally Posted by donv' date='Sep 22 2005, 02:53 AM
[quote name='donv' date='Sep 21 2005, 08:23 PM']Hi All:
Are the 545i sport-package front and rear wheels 8.5" and 10" wide, respectively? Thanks much.
Are the 545i sport-package front and rear wheels 8.5" and 10" wide, respectively? Thanks much.
[snapback]173383[/snapback]
Next questions. Are 275/35-18's too wide for 18 X 8.5 wheels? Do 18 X 10 wheels work on the rear of the 545i with 275/35-18's.
[snapback]173414[/snapback]
[/quote]Yes, you need at least 9" rims for 275 tyres. Yup, the 10" rims are for the 275 tyres... The biggest tyres you can put on a 8.5" rim are 255.
09-22-2005, 05:15 AM
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Originally Posted by colejl' date='Sep 22 2005, 02:03 AM
[quote name='donv' date='Sep 22 2005, 02:53 AM'][quote name='donv' date='Sep 21 2005, 08:23 PM']Hi All:
Are the 545i sport-package front and rear wheels 8.5" and 10" wide, respectively? Thanks much.
Are the 545i sport-package front and rear wheels 8.5" and 10" wide, respectively? Thanks much.
[snapback]173383[/snapback]
Next questions. Are 275/35-18's too wide for 18 X 8.5 wheels? Do 18 X 10 wheels work on the rear of the 545i with 275/35-18's.
[snapback]173414[/snapback]
[/quote]Yes, you need at least 9" rims for 275 tyres. Yup, the 10" rims are for the 275 tyres... The biggest tyres you can put on a 8.5" rim are 255.
[snapback]173452[/snapback]
[/quote]Thanks mate. Anyone else have any thoughts/views?
Why stop there? Do 295's on 20's!!!! 
What's interesting is the M5 has 9.5's in the rear.
09-22-2005, 07:26 AM
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Originally Posted by donv' date='Sep 21 2005, 09:53 PM
[quote name='donv' date='Sep 21 2005, 08:23 PM']Hi All:
Are the 545i sport-package front and rear wheels 8.5" and 10" wide, respectively? Thanks much.
Are the 545i sport-package front and rear wheels 8.5" and 10" wide, respectively? Thanks much.
[snapback]173383[/snapback]
Next questions. Are 275/35-18's too wide for 18 X 8.5 wheels? Do 18 X 10 wheels work on the rear of the 545i with 275/35-18's.
[snapback]173414[/snapback]
[/quote]Thanks to all above for the input. My goal is good looks and significant weight savings (both are necessary conditions). I am thinking of BBS RGR's (8's F and 10's R) and Michelin Pilot Sport PS2's. This combo yields about a 125 lb. sprung-weight equivalent weight savings--which translates into about 13 flywheel equivalent HP. I am not interested in tires higher than 18" because they would, in effect, increase the rear-end ratio numerically.And, Bokke, your wheels do look great.
09-22-2005, 07:36 AM
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Originally Posted by donv' date='Sep 22 2005, 09:26 AM
[quote name='donv' date='Sep 21 2005, 09:53 PM'][quote name='donv' date='Sep 21 2005, 08:23 PM']Hi All:
Are the 545i sport-package front and rear wheels 8.5" and 10" wide, respectively? Thanks much.
Are the 545i sport-package front and rear wheels 8.5" and 10" wide, respectively? Thanks much.
[snapback]173383[/snapback]
Next questions. Are 275/35-18's too wide for 18 X 8.5 wheels? Do 18 X 10 wheels work on the rear of the 545i with 275/35-18's.
[snapback]173414[/snapback]
[/quote]Thanks to all above for the input. My goal is good looks and significant weight savings (both are necessary conditions). I am thinking of BBS RGR's (8's F and 10's R) and Michelin Pilot Sport PS2's. This combo yields about a 125 lb. sprung-weight equivalent weight savings--which translates into about 13 flywheel equivalent HP. I am not interested in tires higher than 18" because they would, in effect, increase the rear-end ratio numerically.And, Bokke, your wheels do look great.
[snapback]173589[/snapback]
[/quote]That sounds like a fantastic combination - great wheels and tires. You will notice a significant difference in the performance by saving that much unsprung weight.