MMR Performance 6-Piston Front Cup Big Brake Kit 355mm (OEM Blue) for BMW F2x/F3x - M135i M140i M235i M240i - Forged Monoblock Calipers, 2-Piece Floating Discs

Front 6-pot Brake Conversion in OEM Blue for BMW F2x and F3x M-Lite Models

Unlock serious stopping power with MMR Performance’s front 6-pot brake conversion. Engineered for BMW F2x and F3x platforms, this 355 mm package is a proven upgrade for M135i, M140i, M235i and M240i owners who want stronger bite, rock-solid pedal feel and fade-free braking on fast road, track days and club motorsport. We run these on our own builds and customer feedback has been superb for performance, consistency and confidence.

Why this upgrade delivers

• Forged T-6061 aluminium monobloc calipers with 6 pistons for exceptional rigidity and precise modulation
• 2-piece fully floating 355 mm rotors made from FC-25 carbon steel for outstanding heat control and reduced fade
• Directional curved internal vanes drive airflow through the discs to shed heat quickly under repeated heavy braking
• Proprietary grooved faces maintain a clean, high-friction surface and help deglaze pads for consistent performance
• MMR fast road pads included, AP6 pad profile for easy future compound choice
• Braided front brake hoses for sharper pedal response and improved feel
• Billet steel caliper brackets and full fitting hardware included for a straightforward install
• OEM Blue finish for a factory-style look with genuine motorsport intent

What you receive

• Forged T-6061 aluminium 6-pot front calipers in OEM Blue
• FC-25 carbon steel 2-piece fully floating front discs, 355 mm diameter
• MMR Performance fast road front pads, AP6 pad shape
• Billet steel mounting brackets
• MMR braided front lines
• All required fixings and hardware

Fitment and wheel clearance

Designed for BMW F2x and F3x applications including M135i, M140i, M235i and M240i. A 5 mm or greater spacer is required behind OEM 18 inch wheels. This listing is for the 355 mm front setup in OEM Blue. If you are considering larger diameter hardware, MMR also offers a 380 mm option. This product is the 355 mm specification.

Real-world results

Expect harder initial bite, repeatable braking lap after lap and a firm, confidence-inspiring pedal. Customers report shorter stopping distances, excellent thermal management and a genuine step up from stock brakes for spirited driving and track work while retaining day-to-day usability.

Professional installation

We recommend professional fitting. MJ Modifications offers installation at our Warwickshire workshop. For a fitting quote or advice, email info@mjmodifications.co.uk.

Search-friendly terms

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