V-MAXX 330mm Front Big Brake Kit BBK - BMW Z4 E85/E86 Roadster & Coupe 2003-2009 (Non-M) - 4-Pot Calipers, Grooved 2-Piece Discs - TUV Approved Performance Brake Upgrade

Performance front brake upgrade for BMW Z4 Roadster and Coupé models excluding Z4M

Transform your BMW Z4’s stopping power with this 330 mm front braking package from V-Maxx. Engineered for fast-road and track-day use yet fully road legal with TÜV certification, it delivers stronger bite, shorter braking distances and superb pedal feel. Requires 17 inch or larger wheels.

Why enthusiasts choose this uprated braking system

• Powerful, consistent braking for spirited driving, daily use and occasional circuit sessions
• Motorsport-derived hardware with TÜV approval for complete road compliance
• Lighter components help reduce unsprung mass for sharper steering response
• Excellent heat management and fade resistance thanks to grooved two-piece rotors
• Confident pedal feel and modulation from rigid forged 4-pot alloy calipers
• 24 month warranty for peace of mind

What is included in the kit

• Pair of forged 4-piston aluminium calipers
• 2 x 330 mm grooved high-carbon two-piece rotors with lightweight floating aluminium bells
• V-Maxx performance pads to suit the calipers
• CNC-machined caliper carrier brackets
• Complete installation hardware
• Stainless braided front brake hoses
• Fitting guide

Fitment and wheel clearance

Designed as a bolt-on front axle conversion for BMW Z4 Roadster and Coupé models excluding Z4M. Minimum wheel size 17 inch. If you are unsure about spoke clearance, contact us for advice.

Real-world results

We run this setup on customer cars and in-house vehicles. Feedback is consistently positive: stronger initial bite, far better resistance to fade on back roads, and a reassuring, stable pedal on longer descents. It is a genuine step up over stock hardware without compromising day-to-day drivability.

Professional installation

Want it fitted by specialists who know BMW Z4 upgrades inside out? Book your install with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a fitting quote.

Key search terms

BMW Z4 brake upgrade, Z4 front brake conversion, 330 mm rotors, 4-pot caliper kit, performance braking system, grooved discs, floating bells, braided brake lines, fast road brakes, track day brakes, non-M Z4 brakes, TÜV approved brakes, uprated stoppers, BBK for Z4.