VTT F9X X3/4M Ultimate Rear Drag Brake Conversion Kit

Description

VTT ultimate F9X X3/4 ultimate rear brake conversion kit

 VTT is happy to announce its new rear brake conversion kits for the F9X platforms. This is the FIRST and only kit currently on the market that will allow 17″ wheels and tires to be run on the rear. This kit replaces your rear brake rotors and calipers to fit 17″ wheels. It includes GENUINE BMW calipers that RETAIN full parking brake function.  This means no downside, 17″ wheel fitment, parking brake functionality, no loss of braking power, 26.4LBS unsprung/rotating weight removed.

 The kit consists of:

• 2 Wilwood Spec 37 HD rotors
• 2 Genuine BMW Calipers
• New HD brake pads
• All hardware required for the swap, including brackets. bolts, and adapter fittings

These kits will bolt directly onto the chassis specified, BUT many different 17” wheels in many different offsets exist, we cannot guarantee this will clear your wheel/tire combo without some clearance. 

Please note – You must remove the rear brake dust shield. This is 100% reversible

F9X X3/4M Conversion weight numbers:

FRONT

• Factory caliper – 18.3lbs
• Factory rotor – 36.2lbs
• Total factory weight – 54.5lbs
• VTT caliper and bracket – 5.3lbs
• VTT rotor and hat – 12.8lbs
• Total VTT weight – 18.1lbs
• Per side weight savings – 36.4lbs
• Total un-sprung weight savings – 72.8lbs
• Rotating weight savings – 46.8lbs

REAR

• Factory rear rotor – 18lbs
• Factory rear caliper – 15.1lbs
• Total factory weight per side – 33.1lbs
• VTT rotor and hat – 12.4lbs
• VTT caliper – 8.8lbs
• Total VTT weight per side – 21.2lbs
• Per side weight savings – 11.9lbs
• Total Un-sprung weight savings- 23.8lbs
• Total Rotating Weight savings – 11.2lbs Rotating

TOTAL SAVINGS

• Total un-sprung weight Savings – 96.6lbs
• Rotating Weight savings – 58lbs