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E90/E91/E92/E93 (2006 - 2013)
The E9X is the 4th evolution of the BMW 3 series including a highly tuned twin turbo 335i variant pushing out 300hp and 300 ft. lbs. of torque. BMW continues to show that it sets the bar for true driving performance! -- View the E9X Wiki

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Old 09-10-2012, 06:33 PM
CALWATERBOY's Avatar
CALWATERBOY CALWATERBOY is offline
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Location: San Francisco
 
Join Date: Aug 2009
Posts: 10,009
Mein Auto: 2009 E93 N54
Aftermarket suspension new tire purchasers, BEWARE!

So there's ol' Waterboy, victim of love....rear tires thrashed t'threads. Word comes down: No More PS2's!! Substitute: Michelin PSS

"Sure" says I - "Looking forward" Tire Rack delivers a day shy o'the limit. I part with my modified ride, already anticipating the sweet feel of new shoes.

I pick up my ride, feeling the love just moving in the parking lot. Now an on-ramp....highway speed. Gently! New shoes....

Egad! She squiggles....won't hold a line without constant driver correction....feels odd, corners. Could PSS be >somewhat< incompatible with PS2?????

A day passes. Two. Genuinely perturbed, I jack up my ride....rear tires off...and what do I see?

My ride height's changed!

Right side 3/16" higher than left....maybe skosh more! The guy at the tire shop thought he'd improve on Waterboy's home grown, back yard, bumpkin adjust.

WRONGO!

Breakin' out my spring wrench, I return my suspension to normalcy....she rides sweet! She meshes! She's back on those rails!

The moral of this tale? Stand up, stand up! Stand up for your rights! Give 3rd parties explicit instructions, with no holds barred. Best done in the spirit of cooperation, show no weakness. Hold friendly, but firm. Do not allow opportunity to undo your hard won gains! Good luck out there....over & out....

.

Last edited by CALWATERBOY; 09-10-2012 at 10:38 PM.
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  #2  
Old 09-10-2012, 06:46 PM
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BB_cuda BB_cuda is offline
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Location: Clear Lake, Texas
 
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Mein Auto: 2011 335D Msport
confused

Did the install of PSS throw the ride height out from being even or did the tire shop guy mess with your suspension? I have been long considering PSS (in go flat instead of run flat) but want to do the whole set. thanks
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Old 09-10-2012, 06:56 PM
CALWATERBOY's Avatar
CALWATERBOY CALWATERBOY is offline
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Mein Auto: 2009 E93 N54
Quote:
Originally Posted by BB_cuda View Post
Did the install of PSS throw the ride height out from being even or did the tire shop guy mess with your suspension? I have been long considering PSS (in go flat instead of run flat) but want to do the whole set. thanks

Messed with suspension; was totally annoying. Most don't realize how large an effect small suspension changes can have.

My suspension has ride height adjustment - that was changed by turning the gold ring on the threaded red passenger rear spring hat - click on pic:

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Last edited by CALWATERBOY; 09-10-2012 at 10:36 PM.
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