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Old 12-09-2012, 04:33 AM
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Zooks527 Zooks527 is offline
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Location: Mansfield, MA
 
Join Date: Mar 2009
Posts: 3,732
Mein Auto: 2009 335i xDrive coupe
Quote:
Originally Posted by bwind View Post
So I've been running a bit with the sign on - not completely flat but with lower than usual pressure.

Does that mean I have to replace the tire now?
So, now you're in the grey area.

You can nominally run 50 miles at 50 mph at zero indicated pressure. If you do that, the tire is toast.

Your tire pressure light comes on at something like 10% below normal, so, say 29 psi. If you were running at 25 psi or so for 20 miles or so at 30 mph around town, my guess (note: *guess*) is that you'd be OK. Two 50 mile round-trips to work at 10 psi on the highway at 65 mph, not so.
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2009 335i xDrive coupe, Jet Black, Black Leather, Grey Poplar, Steptronic, ZPP, ZSP, ZCW, iPod/USB, HD radio, Parking Assist. Rear Fogs, Hardwire V1, ProFit G3.
ED May 12, 2009, Munich dropoff May 16, Redelivery June 22, 2009




Prior 33 years of cars: 1967 BelAir wagon / 1968 LeMans Tempest / 1970 Mustang Mach 1 / 1972 El Dorado / 1978 Corvette (kept until first Bronco) / 1981 Subaru GL wagon AWD / 1983 s10 Blazer 4x4 (big mistake) / 1985 Bronco 4x4 / 1996 Bronco 4x4 / 2004 Passat 4motion
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