Quote:
Originally Posted by Suprgnat
10 mm per side more clearance to the fenders. I'll eventually get 245/40-17 square on my existing 17x8.5 wheels (currently 225/45 square). This is a no-rub solution.
Also with the new hub carriers (and narrow hubs) one gains the ability to use a large variety of brake calipers. I went with the Performance calipers to match my fronts, but it can run anything a 335i can (e.g.: 335i=Ø44 mm calipers with Ø336 mm x 22 mm rotors vs. the stock 128i's Ø40 mm calipers and Ø300 mm x 20 mm rotors). Combined with 335i front calipers you'd have some pretty decent heat capacity on a tracked 128i.
Bonus points for heavier-duty hub carriers, axles (27mm vs. 24mm), and parking brakes.
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Interesting. I thought the F30 335 brakes fit a 128i with zero modifications and I was set on buying them over the 135 brakes because of the piston cracking I've heard about. Is that not the case or is the hub only needed for E9X 335 brakes?
Axle stiffness would be a decent upgrade. Have you done diff bushings?
As far as tires, I kept reading the front is the limiter on a 245 square setup. I looked at it for autocross with some LTW-5 and it may require trimmer to have a perfect square setup but the rear is good to go. I'm running the Apex 1 series wheels with 235 in the front and 265 rear. Tons of grip for a 128 lmao.