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#1
03-13-2015, 10:20 AM
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What tire pressure do you run?
I'll probably play around with reducing the pressures a couple pounds to see if it helps but I was curious what others are doing.
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==================================== '04 E53 X5 4.4i '05 Mazdaspeed MX-5 '00 Saab 9-3 SE Cabrio 
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#2
03-13-2015, 10:37 AM
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Follow the plate on the door, 32/33 psi cold, as best I recall, for my 18" 255s [Conti DWS in winter, Cooper Zeon summers]. If you are running 39 psi, that and the tire type might explain it.
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2006 X5 3.0 6-spd w/Evo UUC ssk sport/premium pkgs born Valentine's Day, 2006.
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#4
03-13-2015, 11:58 AM
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Running 35psi front and 38psi rear.
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 00 E39 DINAN S1 //M5 (82k miles) 06 E53 DINAN 4.8iS, born 2/18/2006 (126k miles) http://www.xoutpost.com/bmw-sav-foru...s-my-dslr.html 90 Straman Z32 TwinTurbo Convertible, (1 of 44 ever made) 5 speed, 444rwhp/451rwtq 01 360 Novitec Spider F1 (26k miles) Last edited by tmv; 03-13-2015 at 08:13 PM.
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#5
03-13-2015, 01:36 PM
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My plate says 33 front and 39 rear. '04 4.8is That's what I'm running too
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'04 Imola Red 4.8is
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#6
03-13-2015, 01:40 PM
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32 front and rear. Increased to 35 rear when fully loaded (4 people plus luggage, or equivalent luggage load).
Looking at the 2006 owner's manual (the 2004 manual won't load) I see 32/33 all around, even with a full load. the 39/39 figures listed are for four people plus luggage, only when travelling at sustained speeds in excess of 100 mpg. Even at those speeds with four people, it calls for 32/32.
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2007 X3 3.0si, 6 MT, Premium, White Retired: 2008 535i, 6 MT, M Sport, Premium, Space Grey 2003 X5 3.0 Steptronic, Premium, Titanium Silver 2002 325xi 5 MT, Steel Grey 2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue
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#7
03-13-2015, 02:22 PM
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Here's a pic
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'04 Imola Red 4.8is
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#8
03-14-2015, 02:56 AM
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Here's another pic showing the distinction between cruising under 100 mph and cruising over 100 mph.
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2007 X3 3.0si, 6 MT, Premium, White Retired: 2008 535i, 6 MT, M Sport, Premium, Space Grey 2003 X5 3.0 Steptronic, Premium, Titanium Silver 2002 325xi 5 MT, Steel Grey 2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue
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#9
03-14-2015, 06:59 AM
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Quote:
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http://www.bestvaluestore.org
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#10
03-14-2015, 08:47 PM
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32F/38R here
I have noticed faster center tire wear in the rears. Thinking of moving to 32/35. Besides the one or two posted here, what PSI are you owners of the 4.6 and 4.8 running?
__________________
 2005 X5 4.8IS The Blue ones are always FASTER.... Current Garage: 2005 X5 4.8is 2002 M5 TiSilver 2003 525iT 1998 528i Former Garage Stable Highlights 2004 325XiT Sport 1973 De Tomaso Pantera, L Model 1970 Dodge Challenger T/A 4 sp Alpine White 1970 Dodge Challenger T/A 4 sp GoManGo Green 1971 Dart Sport, “Dart Light” package 1969 Road Runner 383 1968 Ply Barracuda 340S FB Sea-foam Green
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