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StopTech

BMW F30/F32 370mm Front Brake Discs Rotors - StopTech Sport Drilled & Slotted/Grooved Pair | 3 Series 335i 335d 340i, 4 Series 435d 440i | High Carbon, E-Coated OE Replacement Performance Upgrade Fast Road | Part 127.34144

BMW F30/F32 370mm Front Brake Discs Rotors - StopTech Sport Drilled & Slotted/Grooved Pair | 3 Series 335i 335d 340i, 4 Series 435d 440i | High Carbon, E-Coated OE Replacement Performance Upgrade Fast Road | Part 127.34144

£669.75
£705.00 £669.75
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Heads-up on cancellations & returns: if you cancel an order or return an item, you won't get back 100% of what you paid. We apply a 10% restocking fee, the outbound shipping is non-refundable, and we have to pass on Shopify / PayPal payment processing fees; these aren't returned to us when we refund you. International orders also lose on exchange-rate spread in both directions. If the original packaging is damaged or missing, a reboxing charge applies. For international orders specifically, if you refuse to pay our shipping invoice or supply a prepaid label after placing the order, the same deductions apply. We're upfront about this — please be sure of your purchase before ordering.

StopTech Sport 370 mm Front Performance Rotors for BMW F30 and F32 - Pair - 127.34144

Transform the stopping power of your BMW with genuine StopTech Sport front rotors. This 370 mm front rotor set is a direct, bolt-on replacement for factory hardware, engineered to deliver sharper pedal response, strong initial bite and stable, repeatable stopping performance in everyday driving and fast-road use. The black e-coated hubs and vanes resist corrosion for long-lasting good looks, while the high carbon metallurgy promotes quieter operation and excellent crack resistance.

We run these on our own cars and customer feedback has been outstanding. Drivers report confident braking in the wet and dry, less pad glazing and a consistent feel from the first press to the last.

Why choose these StopTech front rotors

  • 370 mm front rotor set - supplied as left and right pair
  • Cross-drilled and slotted faces for stronger bite, rapid gas evacuation and improved debris clearance
  • One-piece OE replacement - fits factory calipers with no modification
  • High carbon alloy for reduced noise, better thermal stability and enhanced crack resistance
  • Black e-coating on hats and internal vanes for durable anti-corrosion protection
  • Improves wet weather confidence, reduces pad glazing and enhances pedal feel
  • Ideal upgrade for spirited road driving without compromising daily usability

Compatibility

For BMW F chassis models equipped with 370 mm front rotors:

  • BMW 3 Series F30 335i, 335d, 340i 2012+
  • BMW 4 Series F32 435d, 440i 2013+

Specifications

  • Front rotor diameter: 370 mm
  • Configuration: one-piece, cross-drilled and slotted
  • Supplied as a pair - left and right front
  • StopTech part number: 127.34144

Fitting and support

Professional installation available at MJ Modifications in Warwickshire. For a tailored fitting quote or compatibility advice, email info@mjmodifications.co.uk.

Manufacturer and warranty

  • Brand: StopTech
  • Warranty: 6 months or 6,000 motorway miles StopTech warranty

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