Wilwood Front Black Six-Piston Brake Conversion for Listed BMW 1/3 Series, 15-Inch Drilled Rotors — Selected 2006–2013 Applications

Drilled-and-slotted 15-inch rotors distinguish this BMW AERO6 front package. Black radial-mount calipers use six stainless pistons, with hats and brackets configured for the specific model and drivetrain entries below. Wilwood Engineering’s work covers the design and manufacture of disc brake systems for motorsport, street-performance and specialized applications. Bill Wood founded the company in 1977 in a business now based in Camarillo, California. Its calipers, master cylinders, brake rotors, brake lines, valves and fittings must be selected around the complete system.

Technical Details

• Manufacturer: Wilwood
• Manufacturer part number: 140-13919-D
• Kit classification: Front Brake Kits - Street Performance
• Axle position: Front Kits
• Brake Type: Disc
• Selling unit: Sold as a kit.
• Rotor Outside Diameter: 15.00 in; 381 mm
• Rotor Thickness: 1.25 in; 31.75 mm
• Rotor Material: Spec-37 Iron
• Surface Type: SRP Drilled & 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
• Master Cylinder Included: No
• Brake Booster Included: No
• Brake Lines Included: Yes
• Minimum wheel guidance (clearance drawing required): 19 in; 482.6 mm
• Spindle Included: No
• Mounting Hardware Included: Yes
• Separate wheel hubs included: No
• Pistons per service caliper: 6
• Service-caliper piston construction: Stainless
• Service-caliper mount: Radial
• Caliper body construction: Forged aluminum
• Caliper Color: Black
• Caliper Finish: Black Powder Coat
• Caliper Inlet Port Diameter: 1/8-27 NPT
• Caliper family: AERO6
• Pad compound: BP-10

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

PMB Performance brings over 20 years of experience to brake-component selection. Provide the actual hardware specification when the brake system has been modified.