Tire Pressure Help
04-15-2006, 01:46 PM
#1
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My Ride: 2002 BMW 530i
2005 BMW X3
Folks,
I had a loss of tire pressure the other day that set off my FTM. Sure enough, the passenger side rear tire was at 27psi. I'm now looking at my tire pressure in all four tires and had a question...
On the 530xi, what is the correct tire pressure for front and rear tires? The door placard shows 36PSI rear and 30PSI front, but the dealer had the tires inflated to 36PSI for all 4 tires when I took delivery 5 months ago...
Should I let air out of the front tires to 30PSI and 36 for the rear or just leave it as is... If doing so will improve ride quality/fuel consumption, I'm all for it...
Thanks,
L3
I had a loss of tire pressure the other day that set off my FTM. Sure enough, the passenger side rear tire was at 27psi. I'm now looking at my tire pressure in all four tires and had a question...
On the 530xi, what is the correct tire pressure for front and rear tires? The door placard shows 36PSI rear and 30PSI front, but the dealer had the tires inflated to 36PSI for all 4 tires when I took delivery 5 months ago...
Should I let air out of the front tires to 30PSI and 36 for the rear or just leave it as is... If doing so will improve ride quality/fuel consumption, I'm all for it...
Thanks,
L3
04-15-2006, 01:50 PM
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My Ride: 2004 BMW 530I steptronic, Orient Blue, Dakota Black Leather, Finishers Aluminium with Wave Cutting interior, NAVIgation, Radio PROFESSIONAL, CD in-dash, Hi-Fi extended sound system, PDC system, Bi-Xenons lights with washers, cruise-control, heated seats, Extended AC, auto"shade" mirrors, auto lights sensors, rain/wiper sensor, M-tech leather multifunction steering wheel, side airbags rearseats, sliding armrest, smoker's package (I don't smoke!), velour floor mats, spare wheel and jack, 122 style rims winter setup, M135 style rims summer setup
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go for what the label on your driver's door says..... of course the lower the pressure the ride will be more comfortable and do not worry about the consumption.... no noticeable effect....
I had a similar story... my tire guy mistakenly put significatly a lot more pressure to my new wheels and tires setup.... I was mad for a day as the ride quality was very very bad.... then I checked the pressure and dicovered this so fixed it to what the label says and the car is so comfi now
I had a similar story... my tire guy mistakenly put significatly a lot more pressure to my new wheels and tires setup.... I was mad for a day as the ride quality was very very bad.... then I checked the pressure and dicovered this so fixed it to what the label says and the car is so comfi now
04-15-2006, 02:09 PM
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My Ride: My ex-ride: EU '08 LCI 520dA. Space Grey, Sport Seats in Black Leather/Fabric Anthracite, Sport Steering Wheel, A/C with Extended Features, Hi-Fi Speakers, Cup Holders, Cruise with Braking function, Folding Rear Seats, Xenons, Park Distance Control.
Go with the lower measurements in door placard +2 PSI.
Tyre pressures really makes a great differance in car handling and comfort!
You can also feel out your way, but do not go under the given measurements.
Also the air temperature makes big differance, a 10 C temp change does a 2 PSI
differance.
The warmer, the higher the pressure is.
The pressure should be checked out every month, whatever they say the
tyres leak a bit and do it when the tyres are cold (not after more than 5 miles of driving).
Tyre pressures really makes a great differance in car handling and comfort!
You can also feel out your way, but do not go under the given measurements.
Also the air temperature makes big differance, a 10 C temp change does a 2 PSI
differance.
The warmer, the higher the pressure is.
The pressure should be checked out every month, whatever they say the
tyres leak a bit and do it when the tyres are cold (not after more than 5 miles of driving).
04-15-2006, 03:07 PM
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My Ride: '04 545iS 6 spd, bought new via eBay, 11/05; Blk/Gry, Cold, L7, PDC, BMW Rear seatcover for pets.
First "Bumwa" was a new 1971 2002. High performance 5s since 1987. Beamer motorcycles too, currently on an 07 BMW K1200 GT; also a Moto Guzzi 1000 SP III.
Reset your tires to the door post specs, first thing in the morning, then reset your iDrive system as you put on your first few miles.
Cheers,
Ray Hull
Cheers,
Ray Hull
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