Wilwood Caliper-Forged Superlite 4-ST 1.88/1.75in Pistons 1.25in Disc 2003-bmw-m3-esi5615045 The air filter is located

The air filter is located in the original air box space and is protected by a replacement air box with a logo embossed aluminum lid which is designed to reduce intake air temperature and increase horsepower

this Mishimoto Braided Line is an ideal addition to your vehicle

04in Rotor - Hard Anodize

which provides increased heat and pressure tolerance

Requires a 9/16-18 threaded hole with chamfer to be drilled into the mating part for sealing

Wilwood Caliper-Forged Superlite 4-ST 1.88/1.75in Pistons 1.25in Disc 2003-bmw-m3-esi5615045 The air filter is locatedFSLI4 and FSLI4 ST calipers provide the pad wear performance advantages of differential bore pistons with the option for ultimate heat protection using Thermlock pistons in the ST models. Differential piston bores compensate for leading edge mechanical loading and temperature variances across the pad face to reduce pad taper wear in sustained high temperature applications. Thermlock pistons in the ST models block heat transfer from the pads and reduce