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07-30-2009, 12:11 PM | #1 |
Go SU
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Tire Pressure
I have the 18" tires/wheels, no Adaptive M Suspension, and don't plan on driving over 100 mph, so the owners manual calls for 49 PSI for the rear tires.
My configuration results in the highest recommenced PSI of all the configuration. Even the recommended PSI for other confirurations seems on the high side. Is everyone following the PSI recommendation from BMW? These seem awefully high. |
07-30-2009, 01:03 PM | #2 |
Colonel
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Drives: 2009 Z4 sDrive 23i
Join Date: Oct 2005
Location: Glasgow, Scotland, UK
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It does seem high. From memory, the 19" tyres have a recommended front pressure of 2.3 bar and the rear 2.8 bar. This converts to around 33 psi front and 41 psi rear. This is for not carrying extra people or luggage.
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