{"product_id":"spec-super-twin-mini-twin-clutch-kits-bmw-1m-n55","title":"Spec Super Twin Clutch Kit – BMW 1M \u0026 N55 (E8x \/ E9x \/ F22 \/ F3x \/ F10)","description":"\u003cstyle\u003e.sl-desc h2{font-size:1.15em;letter-spacing:.06em;text-transform:uppercase;border-bottom:2px solid #111;padding-bottom:6px;margin:1.6em 0 .7em}.sl-desc h3{font-size:1em;margin:1.2em 0 .4em}.sl-desc ul{margin:0 0 1em 1.2em}.sl-desc li{margin:.25em 0}.va-table{width:100%;border-collapse:collapse;margin:.5em 0 1em;font-size:.95em}.va-table th{text-align:left;padding:10px 8px;border-bottom:2px solid #333;white-space:nowrap}.va-table td{padding:8px;border-bottom:1px solid #e5e5e5;vertical-align:top}.sl-note{font-size:.9em;color:#555;margin:.4em 0 1em}\u003c\/style\u003e\u003cdiv class=\"sl-desc\"\u003e\n\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003eSPEC's twin-disc kits for the E82 1M and the N55 cars that share its clutch and flywheel — 135i, 335i, 435i, 535i, M235i and Z4 sDrive35i.\u003c\/p\u003e\n\u003cp\u003eThe 1M's factory clutch is the same unit BMW fitted across the N55 range and it is the limiting factor on a tuned car well before anything else gives up. A twin-disc spreads clamp load across two discs, so it holds far more torque without needing the very heavy pedal a single-disc kit would require to reach the same number.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSuper Twin\u003c\/strong\u003e kits are the full-size, highest-capacity option, supplied complete with a billet flywheel in steel or aluminum.\u003c\/p\u003e\n\u003cp\u003eTrim level sets disc material and behavior: \u003cstrong\u003eOrganic\u003c\/strong\u003e is the most street-friendly; \u003cstrong\u003eSS-Trim\u003c\/strong\u003e and \u003cstrong\u003eP-Trim\u003c\/strong\u003e add capacity with firmer, more abrupt take-up; \u003cstrong\u003eE-Trim\u003c\/strong\u003e is a rigid sintered race clutch.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSB53SST-O-1M\u003c\/strong\u003e — Super Twin Organic Trim, billet steel flywheel, rated to 720 lb-ft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSB53SST-1M\u003c\/strong\u003e — Super Twin SS-Trim, billet steel flywheel, rated to 923 lb-ft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSB53PT-1M\u003c\/strong\u003e — Super Twin P-Trim, billet steel flywheel, rated to 983 lb-ft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSB53ET-1M\u003c\/strong\u003e — Super Twin E-Trim (rigid sintered), billet steel flywheel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSB53SST-1MA\u003c\/strong\u003e — Super Twin SS-Trim, billet aluminum flywheel, rated to 923 lb-ft\u003c\/li\u003e\n\u003cli\u003eTorque figures are SPEC's published ratings for the complete assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePARTS INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003eComplete twin-disc clutch assembly with billet flywheel (steel or aluminum as selected by part number), friction discs, center floater plate, clutch cover, release bearing and hardware, as supplied by SPEC Clutch.\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch2\u003eTECH RESOURCES\u003c\/h2\u003e\n\u003ch3\u003eAdditional Parts Required\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThese kits are supplied complete with their flywheel — no separate flywheel purchase is needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClutch slave and master cylinder\u003c\/strong\u003e — worth replacing while the transmission is out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransmission fluid\u003c\/strong\u003e — the transmission has to come out, so plan on a fluid change.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlywheel bolts\u003c\/strong\u003e — BMW flywheel bolts are single-use. Replace them.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSPEC does not publish installation instructions or a fitting guide for its BMW twin-disc kits. Twin-disc assemblies need the floater plate correctly spaced and the discs correctly oriented — we strongly recommend professional installation. \u003ca href=\"\/pages\/contact-us\"\u003eContact Speed Logic\u003c\/a\u003e for guidance or a shop recommendation.\u003c\/li\u003e\n\u003cli\u003eBreak-in matters: SPEC specifies a gentle break-in period on new discs before the clutch is loaded hard.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSPEC also indexes the SB53SST-O-1M under the part number SB53SST-1M-O. They are the same kit.\u003c\/li\u003e\n\u003cli\u003eTwin-disc clutches rattle at idle with the pedal up. This is normal and is not a fault.\u003c\/li\u003e\n\u003cli\u003eAn aluminum billet flywheel reduces inertia further than steel but transmits more gear noise and makes smooth low-speed starts harder. Steel is the better street choice.\u003c\/li\u003e\n\u003cli\u003eManual-transmission cars only.\u003c\/li\u003e\n\u003cli\u003ePrice is for the clutch and flywheel assembly only; labor and fluids are not included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePART NUMBER\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eSB53SST-O-1M\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSB53SST-1M\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSB53PT-1M\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSB53ET-1M\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSB53SST-1MA\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eVEHICLE APPLICATIONS\u003c\/h2\u003e\n\u003ctable class=\"va-table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e1M\u003c\/td\u003e\n\u003ctd\u003eE82\u003c\/td\u003e\n\u003ctd\u003eN54 3.0L Twin-Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e135i\u003c\/td\u003e\n\u003ctd\u003eE82\u003c\/td\u003e\n\u003ctd\u003eN55 3.0L Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2011–2012\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e335i\u003c\/td\u003e\n\u003ctd\u003eE90\u003c\/td\u003e\n\u003ctd\u003eN55 3.0L Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e335i\u003c\/td\u003e\n\u003ctd\u003eE92\u003c\/td\u003e\n\u003ctd\u003eN55 3.0L Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2011–2013\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e335i\u003c\/td\u003e\n\u003ctd\u003eF30\u003c\/td\u003e\n\u003ctd\u003eN55 3.0L Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2012–2015\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e435i\u003c\/td\u003e\n\u003ctd\u003eF32\u003c\/td\u003e\n\u003ctd\u003eN55 3.0L Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2014–2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e535i\u003c\/td\u003e\n\u003ctd\u003eF10\u003c\/td\u003e\n\u003ctd\u003eN55 3.0L Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2011–2013\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM235i\u003c\/td\u003e\n\u003ctd\u003eF22\u003c\/td\u003e\n\u003ctd\u003eN55 3.0L Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2014–2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eZ4 sDrive35i\u003c\/td\u003e\n\u003ctd\u003eE89\u003c\/td\u003e\n\u003ctd\u003eN55 3.0L Turbo I6\u003c\/td\u003e\n\u003ctd\u003e2011–2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Spec","offers":[{"title":"Super Twin Organic – steel flywheel, 720 lb-ft (SB53SST-O-1M)","offer_id":52564120338712,"sku":"SB53SST-O-1M","price":1665.0,"currency_code":"USD","in_stock":true},{"title":"Super Twin SS-Trim – steel flywheel, 923 lb-ft (SB53SST-1M)","offer_id":52564120371480,"sku":"SB53SST-1M","price":1665.0,"currency_code":"USD","in_stock":true},{"title":"Super Twin P-Trim – steel flywheel, 983 lb-ft (SB53PT-1M)","offer_id":52564120404248,"sku":"SB53PT-1M","price":1665.0,"currency_code":"USD","in_stock":true},{"title":"Super Twin E-Trim – steel flywheel (SB53ET-1M)","offer_id":52564120437016,"sku":"SB53ET-1M","price":1799.1,"currency_code":"USD","in_stock":true},{"title":"Super Twin SS-Trim – aluminum flywheel, 923 lb-ft (SB53SST-1MA)","offer_id":52564120502552,"sku":"SB53SST-1MA","price":1736.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2307\/8117\/files\/sxc-sa00mt2_sn_xl_aa9f6eb8-59f5-40d7-a9b2-57ffff8f3221.jpg?v=1787683598","url":"https:\/\/speedlogicauto.com\/products\/spec-super-twin-mini-twin-clutch-kits-bmw-1m-n55","provider":"SPEED LOGIC","version":"1.0","type":"link"}