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Originally Posted by Mo@BMWofFairfax
Quote:
Originally Posted by JNoSol
The M5 is a heavy car, if it uses the 7 series carbon technology it will get a weight reduction. xDrive would add the weight back in. Maybe xDrive will be an option for the F90 M5 LCI.
Guys are pushing 900HP+ on their RWD M5 nowadays, the key would be wider tires to hold more power (600HP). My M5 traction is terrible, it's fun but not fast as it could be.
325 rear tires would be great.
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The 295's aren't horrible, but a wider contact patch would help put the power down. The Shelby GT350 (None R) comes with 305's in the front and 315's at the rear, I believe. Wider rear rubber would be nice. |
The OE Spec 295 width MPSS on the Fxx M5/M6 has an unusually large contact patch for the section width (11.8" on the M5, 12" on the M6). It's the same or even larger than most of the 305 section offerings provide. A 325/25-20 is the next size up with any benefit, but it also makes the car even more snappy and unpredictable.