SKU: 1A4.6003A3
Brembo 87-91 M3 (E30) Front GT BBK 4 Piston Cast 2pc 330x28 1pc Rotor Drilled-Silver
This Brembo GT Front Big Brake Kit transforms braking on 1987-1991 BMW E30 M3 models with 4-piston cast monobloc calipers and 330x28mm two-piece cross-drilled rotors in silver finish. The larger rotor diameter increases leverage for shorter stopping distances while the lightweight two-piece design cuts unsprung weight. Ideal for street and track use on the iconic E30 M3 chassis.
Key Features
- 4-Piston Monobloc Calipers: Cast aluminum construction houses 42mm outer and 38mm inner pistons for even pad pressure progressive bite and fade-resistant performance under hard use
- 330x28mm Two-Piece Rotors: Cross-drilled surfaces vent gases and dissipate heat while the floating two-piece design reduces rotational mass by 2kg per corner versus stock
- Silver Powder Coat Finish: Resists corrosion and high temperatures while adding clean motorsport styling to engine bay
- Brembo Performance Pads: Included compound offers high initial bite low dust and consistent response from cold to track temperatures
- Complete Hardware Kit: All brackets fittings and clips provided for direct bolt-on install with OEM master cylinder compatibility
Product Notes
- Requires minimum 17-inch wheels for caliper and rotor clearance
- Bed-in procedure essential follow Brembo guidelines for 200-300 miles mixed driving before track use
- Oversized heavy package expect freight shipping charges based on location
Installation Notes
- Professional installation recommended.
- Bolt-on fitment uses factory mounting points no fabrication needed
- Stock brake lines compatible upgrade to stainless for improved pedal firmness
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1987-1991 | BMW | M3 | E30 |
Why Choose Brembo?
- Motorsport-proven components trusted in Formula 1 and GT racing
- Precision CNC-machined for exact tolerances and long service life
- Rigorous dynamometer testing ensures reliability in extreme conditions
Frequently Asked Questions
-
Q: Will this kit fit my 1989 BMW E30 M3 with stock suspension?
A: Yes direct bolt-on for all 1987-1991 US-spec E30 M3 models no suspension changes required -
Q: What caliper material and finish are used?
A: High-strength aluminum alloy castings with durable silver powder coat for heat and road salt resistance -
Q: What warranty coverage applies?
A: Brembo provides 24-month limited warranty on calipers and rotors against manufacturing defects register product for full terms
Shipping & Handling
- Method: UPS Ground freight for heavy oversized package
- Availability: In stock - ships same or next business day
- Packaging: One large reinforced box 20 x 17 x 13 inches
- Weight: 62 lbs
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