Quote:
Originally Posted by kinkiracing
Sorry to bump an old thread here but any idea if 18×11″ ET25 EC-7s clear CCBs up front?
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Back from the dead!
Unfortunately due to the shear size of the MCCB, you will be limited to 19" wheels for this application.
The 18x11" ET25 was specifically designed for the rear of the E9X M3, and in this scenario it is better suited for front end as the lower offset lends itself to more inner strut clearance. Naturally, this transfers the focus to the rear of the car, where the 18x11" ET25 is very aggressive (28mm more aggressive then the factory 19x10" ET40 rear wheels). In effort for these to work when the car is put through its paces on the race track, rear fender modifications will likely need to be performed in the form of "pulling/re-shaping" in combination with additional negative camber. Brett Strom from Strom Motorsports is well versed in this arena and no stranger to modifying factory fenders, therefore he chose to go this route. In some cases we have reports of customers using this square fitment with 305 tires without needing to modify the rear fenders, however adding -2 degrees or more of camber in the rear was still necessary.
We would recommend the following fitment for M4 owners running the MCCB:
Front: 19x10" ET25 with 275/30-19 tires
Rear: 19x11" ET44 with 305/30-19 tires- Brake clearance: SB CCB
- Available in SM-10 design only.
- 5mm front spacers may be required for certain aftermarket suspensions, see below.
- Front 19x9.5" ET22 wheel can be used to avoid running spacers with certain aftermarket suspensions due to its superior inner clearance.
- 315/25-19 rear tires may also be used, but may require rolled rear fenders and/or negative camber.
- Rear 295/30-19 tires can also be used.
OR
Front & Rear: 19x10" ET25 with 275/35-19 tires- Brake clearance: SB CCB
- 5mm front spacers may be required with certain aftermarket suspensions, see below.
I hope this was helpful information.
- Max