Check your tire pressures ...

redline2 · 08-17-2007, 09:59 PM

Had the car for two weeks and been getting more spirited (but always within the speed limit

) with the driving as she gets close to break in mileage. Started feeling a steering vibration at higher speed cornering and guess what ... 29 psi in all my tires. Supposed to be around 39 front and 45 back for full load sport package.

Run flats look just the same. I think if they were empty, they would still look fine!

Anyway, would suggest new owners check the tire pressure and reset TPM to be safe.

alanchan · 08-20-2007, 12:27 AM

thanks for the tips.
my wheels don't have tpm
39 front and 45 back still apply to my wheels?

noktekniq · 08-20-2007, 12:43 AM

mine were 41 rear and 38 fronts.
the door on the driver side wrote 32. i put all tires @ 32psi

should i still reset?

kenneth · 08-20-2007, 07:36 PM

Mine was 30 all around. I put 34 front and 35 back.

wj4 · 08-20-2007, 07:42 PM

I upgraded to 19s, and I find out that the 35 and 30 series tires loose air pretty easily. I check mine almost everytime I wash the car.

Jaws · 08-20-2007, 07:59 PM

Quote:

Originally Posted by noktekniq

mine were 41 rear and 38 fronts.
the door on the driver side wrote 32. i put all tires @ 32psi

should i still reset?

Yes, if you don't, the tire pressure light may come b/c the fronts are 9 psi less than when the system was (presumably) initialized.

redline2 · 08-20-2007, 08:50 PM

You're best to check your owner's manual or the driver's side door decal. Pressure varies depending on the tire size, profile and planned car load. The 39/45 I state are for a fully loaded 335i with SP. I like to error on the higher side given the small distance between that expensive wheel and the many Toronto pot holes! I had 29 on all four tires which is rather odd. Don't want to jump to conclusions but perhaps someone skipped a step during PDI.

I'll be checking weekly for next while to make sure there are no leaks.

scubajag · 08-20-2007, 10:42 PM

I find that 36 in the front and 40 in the back give you great handling, and the tires do not wear out as fast. I have 20,000 miles on my RFT and they do not appear to have any problem (yet). 2006 E-90

08-17-2007, 09:59 PM	#1
redline2 Private 1 Rep 81 Posts Drives: 335is Join Date: May 2007 Location: Toronto iTrader: (0)	Check your tire pressures ... Had the car for two weeks and been getting more spirited (but always within the speed limit ) with the driving as she gets close to break in mileage. Started feeling a steering vibration at higher speed cornering and guess what ... 29 psi in all my tires. Supposed to be around 39 front and 45 back for full load sport package. Run flats look just the same. I think if they were empty, they would still look fine! Anyway, would suggest new owners check the tire pressure and reset TPM to be safe.
	Appreciate 0 Tweet Quote

08-20-2007, 12:27 AM	#2
alanchan Major 75 Rep 1,402 Posts Drives: 2006 323i Join Date: Jul 2006 Location: Vancouver, BC, Canada iTrader: (21)	thanks for the tips. my wheels don't have tpm 39 front and 45 back still apply to my wheels? __________________ 323i, Arctic metallic , Cream beige leatherette interior , Titanium matt trim , Premium , Auto , 18" style 189 sport wheels , 335i bumper + kidney grills, CF pillars, Chrome window trim package , LCI halogen.
	Appreciate 0 Quote

08-20-2007, 12:43 AM	#3
noktekniq Colonel 58 Rep 2,032 Posts Drives: e90 Join Date: Mar 2007 Location: US iTrader: (3)	mine were 41 rear and 38 fronts. the door on the driver side wrote 32. i put all tires @ 32psi should i still reset?
	Appreciate 0 Quote

08-20-2007, 07:36 PM	#4
kenneth Major General 127 Rep 8,745 Posts Drives: 335i Sedan Join Date: Mar 2007 Location: Montreal iTrader: (16)	Mine was 30 all around. I put 34 front and 35 back. __________________ SB, Terra, 6MT. Only a few mods here and there.....nothing extreme!
	Appreciate 0 Quote

08-20-2007, 07:42 PM	#5
wj4 Major General 356 Rep 7,719 Posts Drives: E90 manual 335i Join Date: Nov 2006 Location: Burbank, CA iTrader: (8)	I upgraded to 19s, and I find out that the 35 and 30 series tires loose air pretty easily. I check mine almost everytime I wash the car.
	Appreciate 0 Quote

08-20-2007, 08:50 PM	#7
redline2 Private 1 Rep 81 Posts Drives: 335is Join Date: May 2007 Location: Toronto iTrader: (0)	You're best to check your owner's manual or the driver's side door decal. Pressure varies depending on the tire size, profile and planned car load. The 39/45 I state are for a fully loaded 335i with SP. I like to error on the higher side given the small distance between that expensive wheel and the many Toronto pot holes! I had 29 on all four tires which is rather odd. Don't want to jump to conclusions but perhaps someone skipped a step during PDI. I'll be checking weekly for next while to make sure there are no leaks.
	Appreciate 0 Quote

08-20-2007, 10:42 PM	#8
scubajag Scuba-JAG 27 Rep 528 Posts Drives: Jet Black 2006&07 B.R. E-92 Join Date: Jun 2005 Location: St. Petersburg, Fl iTrader: (0)	I find that 36 in the front and 40 in the back give you great handling, and the tires do not wear out as fast. I have 20,000 miles on my RFT and they do not appear to have any problem (yet). 2006 E-90
	Appreciate 0 Quote