Quote:
Originally Posted by TexasZed4MC
I just replaced the rear tires witht eh stock 255/40/18 on the M Coupe. The fronts will be replaced soon also is there any reason not to put 245/40/18 on the front stock 8" wheel. That will let me get very close to a square setup to use at the track or will this cause me to throw codes and had ABS issues?
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Our cars (2006) use the ABS sensors to monitor any relative change between revolutions across wheels to provide a tire pressure warning system - IIRC its > 15% sets off the low pressure warning. The key to mix and matching tires, beyond fit to rims and wheel wells, is to maintain no greater than a 3% delta between revolutions over a fixed distance mile/kilometre. In addition its recommended by the tire industry and installers alike to not mount different sets (brands, ratings, tread pattern etc.) front to rear.
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2006 Z4MC - #LL93158
SS Race Cans, RE X Pipe, DKF Sec 1, Fabspeed Headers, OE STB, AS Shifter, Dave Z CDV, GC Coil Overs, Stoptech lines, Hawk DTC Pads, RE Clutch Stop, RE Transmission Mounts, Vibra-Technics Engine Mounts, Poly FCAB & RTAB, LeatherZ M Shift Boot, Tekarbon Rear Spoiler, CF Grills, Advan RS DGM