|
|
|
|
|
|
BMW Garage | BMW Meets | Register | Today's Posts | Search |
|
BMW 3-Series (E90 E92) Forum
>
Does tire pressure throw off alignment?
|
|
08-30-2009, 04:10 AM | #1 |
Major
201
Rep 1,313
Posts |
Does tire pressure throw off alignment?
My car has been at the body shop for a while and we took it in for a 4 wheel alignment before it went into the dealer. The guys at the shop filled up my tires with air and I figured it was all good.
I went in for an alignment and they basically told me that the car was a little off and that it maybe due to bad shocks. Well, after I left and was on my way to the dealer my FTM comes on and I pull over into the nearest gas station and check my pressure. Well, come to find out my front driver side was 60psi, my rear driver side was 50, my front passenger was 40, and my rear passenger was 55psi!!! I am running on stock RFT's and lowered the pressure. Fronts to 34 and the rears to 38psi. My question is if these odd tire pressures threw off my wheel alignment and when I get the car back from the dealer should I take it back in and get the alignment done again? Thanks guys!!!
__________________
2007 TiAg e90 335i sport. Yes, The e90 "Mustache" is cool!
|
08-30-2009, 05:16 AM | #2 |
Captain
72
Rep 941
Posts |
I know during the last alignment I had they adjusted tire pressures back to spec...
it obviously has an effect when driving, but whether it throws things out in the process of checking the alignment, I'm not sure. I would think they should have corrected your tire pressures though. |
Appreciate
0
|
08-30-2009, 03:42 PM | #5 |
just another bmw douche bag
195
Rep 3,640
Posts |
I can, yes. But RFT's have such stiff sidewalls, the difference in pressures probably don't make as much of a difference (but 20psi diff from side to side is a lot).
how does the car drive now? does it track straight, or does it pull? |
Appreciate
0
|
08-30-2009, 04:57 PM | #6 |
Colonel
45
Rep 2,575
Posts
Drives: '73 2002,'18 X5 35d,'17 328d T
Join Date: Jan 2007
Location: A Whale's Vagina, Ca
|
No. NO NOOOOOOOOOOOOOOO. tire pressures do not change the mechanical alignment.
__________________
1988 E28 535is Euro Conversion --- sold 2009 E90 335 6MT --- sold 2003 E39 540iT Msport --- sold |
Appreciate
0
|
08-30-2009, 07:44 PM | #7 |
Colonel
46
Rep 2,653
Posts |
+1
__________________
'07 E92 335i |Crimson Red|Saddle|ZSP|ZPP|PDC|Heated|Logic|Step|Paddles| Mods |Painted Kidneys|Black Lower Mesh Grills|Rho-plate|7500 GP Fogs|JB3 2.0|LED Tag Lights|Rear Fogs|And maybe some day an M3 Rear Spoiler| |
Appreciate
0
|
08-31-2009, 11:46 AM | #8 |
Colonel
45
Rep 2,575
Posts
Drives: '73 2002,'18 X5 35d,'17 328d T
Join Date: Jan 2007
Location: A Whale's Vagina, Ca
|
check all of your tire pressure when the car is cold. set to the factory spec on the inside of the driver door and leave it. the tires will move up and down in pressure according to air temp and road temp. if you make a whole bunch of right turns the left side tires are gunna be higher than the right.
the different air psi's that you have experienced are normal. And different tire pressurs will change the way the car drives, handles nd tracks down the road. try to keep them as even as possible
__________________
1988 E28 535is Euro Conversion --- sold 2009 E90 335 6MT --- sold 2003 E39 540iT Msport --- sold |
Appreciate
0
|
Bookmarks |
|
|