{"product_id":"brembo-09-3946-10-brake-disc-for-bmw-3-saloon-e21-internally-vented-with-bolts-screws","title":"Brembo 09.3946.10 Internally Vented Brake Disc Rotor 255x22mm, 4-Stud (4-Lug, 4-Hole), with Fixing Bolts\/Screws – For BMW 3 Series E21 Saloon (Classic) 1975–1983 – Genuine OEM Replacement \/ Performance Upgrade","description":"\u003cdiv class=\"product__description rte\"\u003e\n  \n  \u003ch2\u003eBrembo 09.3946.10 Performance Brake Rotor for BMW E21 with Fixings\u003c\/h2\u003e\n  \n  \u003cp\u003eGive your classic BMW E21 the sharp, confidence-inspiring stopping it deserves with the genuine Brembo 09.3946.10 rotor. This vented construction disc delivers strong bite, superb heat control and consistent pedal feel on the road. If you are refreshing tired braking hardware on your 3 Series E21, this is a high quality, direct-fit solution with the reliability enthusiasts trust.\u003c\/p\u003e\n  \n  \u003cp\u003eWe run these on customer builds at MJ Modifications and feedback is consistently excellent. Smooth engagement, stable performance under repeated use and OEM-level fitment make this Brembo rotor a standout choice for classic BMW braking upgrades and maintenance.\u003c\/p\u003e\n  \n  \u003ch3\u003eWhy it is a smart upgrade\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eAuthentic Brembo part for dependable performance and precise fit on E21 models\u003c\/li\u003e\n    \u003cli\u003eVented design improves thermal management and helps resist fade on fast road drives\u003c\/li\u003e\n    \u003cli\u003eSupplied with fixings for a clean and straightforward installation\u003c\/li\u003e\n    \u003cli\u003eRefined pedal response and predictable stopping in daily and spirited use\u003c\/li\u003e\n    \u003cli\u003eIdeal as a premium replacement rotor for classic BMW restoration and servicing\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003eKey details\u003c\/h3\u003e\n  \u003ctable\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eBrembo\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003ePart number\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e09.3946.10\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eDisc construction\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eVented\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e255 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eThickness\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e22 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eStud pattern\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e4 hole\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eIncluded\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eFixing bolts and screws\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n  \n  \u003ch3\u003eFitment guidance\u003c\/h3\u003e\n  \u003cp\u003eDesigned for BMW 3 Series E21 models requiring a vented 255 mm, 22 mm thick, 4 hole rotor. Axle position can vary by model and specification, so please verify before ordering.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eSend your UK registration or last 7 of the VIN and we will confirm compatibility\u003c\/li\u003e\n    \u003cli\u003eQuestions about fit for your E21 project or daily driver are welcome\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003eProfessional installation\u003c\/h3\u003e\n  \u003cp\u003ePrefer expert fitting for your BMW brakes? MJ Modifications offers professional installation in Warwickshire. Request a quote at \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e.\u003c\/p\u003e\n  \n  \u003ch3\u003eWhat E21 owners are searching for\u003c\/h3\u003e\n  \u003cp\u003eBMW E21 brake rotors, 255 mm vented rotor 22 mm, 4 lug E21 disc, classic BMW brake replacement, performance rotor for BMW 3 Series E21, Brembo rotor for E21, BMW classic car brake upgrade, E21 4 hole disc with fixings, BMW 3 Series vintage brake parts, high quality rotor for E21 saloon, Brembo 09.3946.10 BMW rotor, BMW E21 vented brake disc replacement.\u003c\/p\u003e\n  \n  \u003cp\u003e\u003cem\u003ePart number: 09.3946.10\u003c\/em\u003e\u003c\/p\u003e\n  \n\u003c\/div\u003e","brand":"Brembo","offers":[{"title":"Default Title","offer_id":56005671420290,"sku":null,"price":48.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/thumb_24_878e3b4d-f044-4c06-8035-7dbf90c5c433.jpg?v=1764021376","url":"https:\/\/mjmodifications.co.uk\/products\/brembo-09-3946-10-brake-disc-for-bmw-3-saloon-e21-internally-vented-with-bolts-screws","provider":"MJ Modifications","version":"1.0","type":"link"}