Wilwood Front 15-Inch Slotted Brake Kit, Red AERO6 Calipers for Specified BMW 1 and 3 Series — Selected 2006–2013 Applications

Red six-piston AERO6 calipers operate over GT-slotted 15-inch rotors in this BMW conversion. The rotor hats, hub registration and included front hoses must all match the exact vehicle entry. Disc brake system design and manufacturing are Wilwood Engineering’s focus. Bill Wood founded the Camarillo, California company in 1977; its range spans brake rotors, master cylinders, calipers, fittings, valves and brake lines for motorsport, specialized and street-performance applications. The choice of individual components depends on the complete brake system.

Technical Details

• Manufacturer: Wilwood
• Manufacturer part number: 140-13919-R
• Kit classification: Front Brake Kits - Street Performance
• Axle position: Front Kits
• Brake Type: Disc
• Selling unit: Sold as a kit.
• Minimum wheel guidance (clearance drawing required): 19 in; 482.6 mm
• Spindle Included: No
• Mounting Hardware Included: Yes
• Separate wheel hubs included: No
• Rotor Outside Diameter: 15.00 in; 381 mm
• Rotor Thickness: 1.25 in; 31.75 mm
• Rotor Material: Spec-37 Iron
• Surface Type: GT Slotted
• Rotor construction: Vented
• Bolt Circle Diameter: 5 x 4.72 in; 5 x 119.89 mm
• Catalog stud / mounting-hole reference: 0.520 in; 13.21 mm
• Rotor surface finish: Black Electro Coat
• Hat material: Aluminum
• Hat finish: Black E-Coat
• Hat offset dimension: 1.550 in
• Pistons per service caliper: 6
• Service-caliper piston construction: Stainless
• Service-caliper mount: Radial
• Caliper body construction: Forged aluminum
• Caliper Color: Red
• Caliper Finish: Red Powder Coat
• Caliper Inlet Port Diameter: 1/8-27 NPT
• Caliper family: AERO6
• Pad compound: BP-20
• Master Cylinder Included: No
• Brake Booster Included: No
• Brake Lines Included: Yes

Fitment & Compatibility

Use the individual BMW 128i, 135i, 323i, 325i, 328i, 330i or 335i year and body-style entry. The 323i listing is Canadian sedan coverage, 330i coverage is 2006 sedan, and the 328i/335i entries carry specific RWD/xi exclusions. Do not extend those rows to another generation or drivetrain. DS-1074 includes hose kit 220-13646 and calls for reuse of the OE hose grommets; verify hub registration and 19-inch wheel guidance.

Listed models: 323i; 325i; 330i; 328i; 335i; 128i; 135i. Use the fitment table below for the individual years, submodels and equipment conditions.

Wilwood product specifications · Installation instructions

With more than 20 years of parts and fitment experience, PMB Performance can help compare the existing brake assembly with the required component.