{"product_id":"ebc-turbo-grooved-discs-front-340mm-1-series-f20-f21-m135-m140","title":"EBC Turbo Groove Front Brake Discs\/Rotors 340mm (Pair) - BMW 1 Series F20 F21 2011-2019 M135i M140i - Slotted Dimpled Vented Performance Upgrade - EBC GD Series Fast Road Direct Fit","description":"\u003cdiv\u003e\n  \u003ch2\u003ePerformance front rotors for BMW 1 Series F20 F21 M135i M140i - 340 mm pair\u003c\/h2\u003e\n\n  \u003cp\u003eGive your BMW sharper response and consistent stopping with EBC’s Turbo Groove pattern rotors. Designed for fast-road driving, these 340 mm front discs transform pedal feel, keep temperatures in check and maintain confidence when you press on. Ideal for F20 and F21 M135i and M140i owners seeking a serious braking upgrade without changing calipers.\u003c\/p\u003e\n\n  \u003ch3\u003eWhy these rotors stand out\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eGroove pattern actively clears dust and water for clean pad contact and strong bite in all weather.\u003c\/li\u003e\n    \u003cli\u003eDimple vents allow surface gas to escape while preserving disc integrity for durability under repeated heavy stops.\u003c\/li\u003e\n    \u003cli\u003eThermal management helps resist fade during enthusiastic road use, supporting consistent pedal feel.\u003c\/li\u003e\n    \u003cli\u003eCoated hubs and edges for corrosion resistance that keeps the discs looking smart behind your wheels.\u003c\/li\u003e\n    \u003cli\u003ePrecision cast and balanced for smooth operation and confidence-inspiring braking performance.\u003c\/li\u003e\n    \u003cli\u003eDirect replacement for the OE front discs - no modifications required.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003eFor the best fast-road setup, pair these rotors with EBC Yellowstuff pads for improved initial bite and repeatable performance.\u003c\/p\u003e\n\n  \u003ch3\u003eFitment and sizing\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003ePosition: Front axle\u003c\/li\u003e\n    \u003cli\u003eDiameter: 340 mm\u003c\/li\u003e\n    \u003cli\u003eVehicle: BMW 1 Series F20 and F21 including M135i and M140i with 340 mm factory front brakes\u003c\/li\u003e\n    \u003cli\u003eSupplied as a matched left and right disc\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eReal-world feedback\u003c\/h3\u003e\n  \u003cp\u003eWe have run these on our own builds and supplied them to many BMW owners. The common feedback is stronger bite, better control on brisk drives and a reassuringly consistent pedal.\u003c\/p\u003e\n\n  \u003ch3\u003eInstallation and support\u003c\/h3\u003e\n  \u003cp\u003eThese rotors are a straightforward swap for the original discs. For professional fitting and brake fluid upgrades, book with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.\u003c\/p\u003e\n\n  \u003ch3\u003eBedding-in and noise\u003c\/h3\u003e\n  \u003cp\u003eA light whoosh from the grooves can be noticeable at first and typically settles after a short bedding period. Follow sensible bed-in procedures to maximise performance and pad life.\u003c\/p\u003e\n\n  \u003ch3\u003eSearch terms customers use\u003c\/h3\u003e\n  \u003cp\u003eBMW M140i front rotors, BMW M135i front rotors, F20 F21 brake upgrade, 340 mm front discs BMW, EBC Turbo Groove rotors, EBC GD series discs, grooved and dimpled brake rotors, vented performance discs, fast road brake kit BMW 1 Series, M135i stopping power upgrade, M140i brake upgrade UK, BMW B58 brake discs, BMW N55 brake discs, front rotor pair 340 mm, performance braking BMW 1 Series, direct replacement front discs, MJ Modifications Warwickshire fitting.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Performance M","offers":[{"title":"Default Title","offer_id":55975241417090,"sku":"GD2064R","price":490.92,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/trurbogroove__79538.1538386591_e3e703c3-2d3e-492f-a111-afa1f9cf8dc4.jpg?v=1763321252","url":"https:\/\/mjmodifications.co.uk\/products\/ebc-turbo-grooved-discs-front-340mm-1-series-f20-f21-m135-m140","provider":"MJ Modifications","version":"1.0","type":"link"}