This specialized retrofit kit adapts the high-performance braking technology from the later F-Series (F80 M3 / F30 M-Performance) onto the BMW E9X chassis. It replaces the aging single-piston factory sliders with massive 4-piston fixed aluminum calipers, providing modern “M” stopping power, improved thermal management, and a sharpened pedal feel for the classic 3 Series.
Key Components:
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Front: 4-Piston Fixed Aluminum Calipers (M-Blue, Red, or Yellow).
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Rear: 2-Piston Fixed Calipers (or Performance-matched sliding units).
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Discs: 370mm x 30mm High-Performance ventilated/perforated compound discs.
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Adapters: Custom CNC-milled steel brackets for E9X spindle mounting.
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Hardware: Braided stainless steel brake lines and wear sensors.
Specifications:
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Material: Lightweight Aluminum Calipers / Cast-Iron Hub Discs.
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Wheel Size: Requires 18″ wheels minimum (check barrel clearance).
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Compatibility: BMW E90 (Sedan), E91 (Touring), E92 (Coupe), E93 (Cabrio).
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Fitment: Fits 325i, 330i, 335i, and Diesel variants (330d/335d).
Features:
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Modern Braking DNA: Brings the 2026-standard deceleration performance to the E9X platform.
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Fade Resistance: Drastically reduces brake fade during spirited “Ring” laps or high-speed maneuvers.
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Visual Upgrade: Fills the wheel barrel with iconic colored calipers and oversized perforated rotors.
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Precision: Fixed-piston architecture ensures a firm, linear, and communicative brake pedal.
Terry Torres (verified owner) –
The design is sleek and well thought out.
Billy Bennett (verified owner) –
Everything fit perfectly and worked exactly as described.
Daniel Hernandez (verified owner) –
Very happy with how it turned out.
Ashley Gonzales (verified owner) –
The installation process was straightforward.
Edward White (verified owner) –
Very impressed with the attention to detail.
Kyle Bell (verified owner) –
Great quality and exceeded my expectations in every way.
Jordan Barnes (verified owner) –
The design is modern and stylish.
Bruce Wood (verified owner) –
Definitely worth the investment.
Edward White (verified owner) –
Everything fit perfectly and worked exactly as described.
George Thompson (verified owner) –
Definitely worth the investment.
Samantha Sullivan (verified owner) –
Very happy with how it turned out.
Matthew Lopez (verified owner) –
The quality is consistent throughout.
Angela Ford (verified owner) –
Very happy with how it turned out.
Deborah Russell (verified owner) –
Exceeded my expectations in terms of quality.
Dennis Campbell (verified owner) –
The performance is smooth and dependable.
Logan Powell (verified owner) –
The quality is consistent throughout.
Dennis Campbell (verified owner) –
The materials feel premium and well-made.
Harold Murphy (verified owner) –
Everything arrived well packaged and in perfect condition.
Billy Bennett (verified owner) –
Very impressed with the overall performance.
Patrick Turner (verified owner) –
Great value for the price.