Superlite 4r calipers

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Wilwood Disc Brakes announces new front and rear upgrade brake kits for BMW E46 M3

By alley - Feb 23, 2018, 3:02 AM ET

Wilwood's new disc brake upgrade kits for the 2000-2006 BMW E46 M3 platform features forged aluminum Aerolite 6R front calipers working in tandem with forged aluminum Superlite 4R rear calipers. Front 14.00” and rear 12.88” diameter Spec37 alloy directional vane rotors are available with GT competition series face-slotted or SRP...