Quote:
Originally Posted by chocolatelab
Nice, we just got my wife a 328 diesel sports wagon.
Its a blast to drive but we got white.
Im impressed with it.
Good luck with yours.
Why the swap on the brakes?
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BMW more than most manufacturers use a large number of different brake combinations on the same chassis. low power units are equipped with smaller brakes (both rotors and calipers). I think your diesel might have somewhat bigger brakes because of it,s weight but am not certain.
BMW also sells a dealer installed brake upgrade kit ($3000+/-) that fits all 3 series but requires 18" wheels.
The standard 320,328 brakes are 312x20 F rotors,300x20 R rotors with single piston floating calipers. The 335i brakes are 340x30 mm F and 330x20 R and uses a 4 piston Brembo F caliper.(The same as the front in the $$ kit).
Coming from 40 years of 911 driving I like big brakes. The upgraded BMW brakes have better pedal feel and no fade during spirited driving ,even with stock pads. I can feel a difference ,my wife can,t really .