VTT F3X Ultimate Rear Drag Brake Conversion Kit

VTT BMW F3X Ultimate Rear Drag Brake Conversion Kit

A complete rear brake conversion for supported BMW F3X drag applications that need clearance for compatible 15-inch wheels. The system replaces the large factory rear calipers and rotors with a lighter four-piston package.

Kit Contents

• Two plain Centric 125 Series or genuine StopTech slotted rotors, as selected
• Two VTT four-piston rear calipers
• One set of VTT street- or track-compound pads when selected
• Platform-specific brackets, bolts, and adapter fittings
• Stainless-steel brake lines

Weight Reduction

The previous listing records a factory rear-brake total of approximately 56 pounds and a VTT conversion total of approximately 37.3–37.8 pounds, for an estimated reduction of about 18.2–18.7 pounds depending on rotor choice.

Fitment and Required Modifications

Directly engineered for supported BMW F3X applications only. It is not a direct bolt-on for F2X or other chassis. Installation requires removal of the rear dust shields and grinding one small casting feature on the suspension arm. Wheel clearance is confirmed with a Weld RTS 15 x 10 test wheel; other wheel and tire combinations must be checked individually.

Important Use Notice

This is a drag-oriented brake conversion. Professional installation, correct bleeding, pad bedding, and full wheel, tire, suspension, and brake-hose clearance checks are required before use.

• Free US shipping on orders over $250.
• Free pickup at our Dallas shop, usually ready within 24 hours.
• Unused parts can be returned within 30 days. Tunes, opened electronics, merch and installed parts are final sale.
• Want it installed? Book the install at thegbmotors.com.

Full details are on our shipping and returns page.