Wilwood Front AERO6 Brake Kit for BMW 128i/135i/323i/325i/328i/330i/335i, Black Calipers and 14-Inch GT Rotors, Selected 2006–2013 Applications

AERO6 radial-mount calipers and 14-inch GT-slotted rotors form this black BMW front package. Dynamic bobbin-mount aluminum hats connect the separate rotor rings to the specified factory hubs, with the brackets, pads and flexible lines supplied for the matched installation. Wilwood Engineering was founded in 1977 by Bill Wood and is based in Camarillo, California. It designs and manufactures disc brake systems and components serving motorsport, street-performance and specialized applications. The range includes calipers, brake rotors, master cylinders, valves, fittings and brake lines; their individual specifications must be matched to the complete brake system.

Technical Details

• Calipers: 6 stainless pistons per caliper; radial mounting; forged aluminium bodies. Color: Black. Finish: Black Powder Coat. Inlet thread: 1/8-27 NPT.
• Caliper family: AERO6. Brake-pad compound: BP-20.

• Manufacturer: Wilwood; manufacturer part number: 140-13582. Supplied quantity: Sold as a kit.
• Application category: Front Brake Kits - Street Performance. Axle/spindle category: Front Kits. Brake function: Disc.
• Separate wheel hubs included: No. Retain only the hub arrangement specified for this kit.
• Mounting hardware included: Yes. Spindles included: No. Master cylinder included: No. Brake booster included: No.
• Flexible brake lines included: Yes; matched line kit 220-13646, 22.00 inches nominal length.

• Wheel interface: 5 x 4.72 in; 5 x 119.89 mm. Rotor/hat wheel-stud clearance: 0.520 in; 13.21 mm.
• Nominal minimum wheel diameter: 18 in; 457.2 mm. Verify the full wheel-clearance drawing; diameter alone does not establish barrel or spoke clearance.

• Rotor: 14.00 in; 355.6 mm outside diameter; 1.25 in; 31.75 mm thickness. Material: Spec-37 Iron. Construction: Vented. Friction-face style: GT Slotted.
• Rotor-hat material: Aluminum. Hat offset: 1.550 inches; this hat dimension is separate from axle offset.
• Rotor surface finish: Black Electro Coat.

Fitment & Compatibility

Check each BMW model's year and body-style row below. The listing distinguishes Canadian 323i sedans, rear-wheel-drive 328i variants, xi exclusions and the later coupe/convertible applications. Factory master-cylinder and ABS compatibility applies to the verified configuration, not every 1 or 3 Series.

Use the fitment table below for the complete model, year, submodel and brake-option conditions; every listed condition must match the installed vehicle.

Manufacturer Documents

• Wilwood product specifications and wheel-clearance drawing
• Installation instructions

With over 20 years of parts and fitment experience, PMB Performance can help check the brake configuration before you order. Include the vehicle information, installed axle or spindle and wheel dimensions in your enquiry.