{"product_id":"osgbm237-bf6-bmw-m3-e46-twin-plate-clutch","title":"OS Giken BMW E46 M3 TR Series Dampened Twin Plate Clutch","description":"\u003ch4\u003eTwin Plate Holding Power for the S54 Powerplant\u003c\/h4\u003e\n\u003cp\u003eThe OS Giken TR Series Dampened Twin Plate Clutch gives the BMW E46 M3 a serious step up in torque capacity without sacrificing everyday drivability. Built around the S54 inline six, part number OSGBM237-BF6 uses a billet aluminum cover and dual friction discs to deliver a firmer, more direct pedal feel while handling significantly more power than the factory single plate setup.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eOS Giken TR series twin plate design rated up to roughly 500 lb-ft for naturally aspirated builds\u003c\/li\u003e\n\u003cli\u003eBillet aluminum cover increases clamping force over stamped steel designs\u003c\/li\u003e\n\u003cli\u003eDampened center hub smooths engagement and reduces drivetrain shock\u003c\/li\u003e\n\u003cli\u003ePurpose built for the BMW E46 M3 S54 platform, OSGBM237-BF6 is not a universal fitment kit\u003c\/li\u003e\n\u003cli\u003eIncludes release sleeve assembly and OS flywheel bolts for a complete install\u003c\/li\u003e\n\u003cli\u003eVentilated cover design helps manage heat during repeated hard use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment Table\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eYear Range\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2001-2006\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMPN\u003c\/td\u003e\n\u003ctd\u003eOSGBM237-BF6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eOS Giken\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClutch Type\u003c\/td\u003e\n\u003ctd\u003eTwin Plate, Dampened\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTorque Capacity\u003c\/td\u003e\n\u003ctd\u003eApproximately 500 lb-ft (NA applications)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCover Material\u003c\/td\u003e\n\u003ctd\u003eBillet Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlywheel\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003eNot assigned by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eOS Giken TR series twin plate clutch assembly\u003c\/li\u003e\n\u003cli\u003eMatched OS Giken flywheel\u003c\/li\u003e\n\u003cli\u003eRelease sleeve assembly\u003c\/li\u003e\n\u003cli\u003eOS flywheel bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eAbout OS Giken\u003c\/h4\u003e\n\u003cp\u003eOS Giken has built clutch and drivetrain systems in Japan since the 1970s, developing technology through direct involvement in professional motorsport. The TR series brings that racing background to enthusiast platforms like the E46 M3, balancing torque capacity with a pedal feel that remains usable outside the track.\u003c\/p\u003e\n\u003ch4\u003eFAQ\u003c\/h4\u003e\n\u003cstrong\u003eWhat is the OSGBM237-BF6?\u003c\/strong\u003e\n\u003cp\u003eThe OSGBM237-BF6 is an OS Giken TR series dampened twin plate clutch designed for the BMW E46 M3 with the S54 engine. It replaces the factory single plate clutch to increase torque capacity while keeping a manageable street pedal feel.\u003c\/p\u003e\n\u003cstrong\u003eDoes this clutch come with a flywheel?\u003c\/strong\u003e\n\u003cp\u003eYes, this kit includes a matched OS Giken flywheel along with the twin plate clutch assembly, release sleeve, and flywheel bolts.\u003c\/p\u003e\n\u003cstrong\u003eWhat torque rating does the TR series twin plate handle?\u003c\/strong\u003e\n\u003cp\u003eThe TR twin plate design used in the OSGBM237-BF6 is rated for approximately 500 lb-ft of torque in naturally aspirated applications, well above the S54 factory clutch.\u003c\/p\u003e\n\u003cstrong\u003eIs this clutch suitable for daily driving?\u003c\/strong\u003e\n\u003cp\u003eYes, the dampened center hub in the TR series is specifically designed to smooth engagement, making it more streetable than OS Giken's higher capacity R series clutches.\u003c\/p\u003e\n\u003cstrong\u003eWhat additional parts are needed for installation?\u003c\/strong\u003e\n\u003cp\u003eInstallation requires the OEM pilot bearing or bushing, which is not included in the kit and should be inspected or replaced during the clutch swap.\u003c\/p\u003e\n\u003cstrong\u003eWhich BMW models does the OSGBM237-BF6 fit?\u003c\/strong\u003e\n\u003cp\u003eThis clutch is designed specifically for the BMW M3 built on the E46 chassis with the S54 engine, covering the 2001 through 2006 model years in the US market.\u003c\/p\u003e\n\u003cstrong\u003eHow does the TR series compare to OS Giken's STR series for the E46 M3?\u003c\/strong\u003e\n\u003cp\u003eThe TR series prioritizes torque capacity and a firmer engagement, while the STR series is tuned for a lighter pedal feel suited to long endurance driving, so the choice depends on whether capacity or pedal effort is the priority.\u003c\/p\u003e\n\u003cstrong\u003eIs the billet aluminum cover different from a stamped steel clutch cover?\u003c\/strong\u003e\n\u003cp\u003eYes, the billet aluminum cover on the OSGBM237-BF6 allows for higher clamping force than a stamped steel cover, which is part of why this clutch supports more torque than entry level twin plate options.\u003c\/p\u003e\n\u003ch4\u003eInstall Instructions\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eSupport the vehicle safely and remove the transmission per BMW factory service procedures.\u003c\/li\u003e\n\u003cli\u003eRemove the factory single plate clutch and flywheel from the S54 crankshaft.\u003c\/li\u003e\n\u003cli\u003eInspect the pilot bearing or bushing and replace if worn.\u003c\/li\u003e\n\u003cli\u003eInstall the OS Giken flywheel using the supplied flywheel bolts torqued to specification.\u003c\/li\u003e\n\u003cli\u003eMount the TR series twin plate clutch assembly and confirm proper disc alignment.\u003c\/li\u003e\n\u003cli\u003eInstall the release sleeve assembly and reconnect the clutch fork or hydraulic actuator.\u003c\/li\u003e\n\u003cli\u003eReinstall the transmission and bleed the hydraulic clutch system.\u003c\/li\u003e\n\u003cli\u003eComplete a proper break-in cycle before subjecting the clutch to full throttle use.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch4\u003eProp 65 Warning\u003c\/h4\u003e\n\u003cp\u003eWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.\u003c\/p\u003e","brand":"OS Giken","offers":[{"title":"Default Title","offer_id":46244027498575,"sku":"OSGBM237-BF6","price":2024.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/osgbm237-bf6-hero_bb79d5e3-b1c4-40b0-9afc-793303bfd040.webp?v=1785173960","url":"https:\/\/www.blackopsautoworks.com\/products\/osgbm237-bf6-bmw-m3-e46-twin-plate-clutch","provider":"Black Ops Auto Works","version":"1.0","type":"link"}