{"product_id":"spl-parts-bmw-e8x-e9x-rear-lower-trailing-arms","title":"SPL Parts Rear Lower Trailing Arms for BMW E8X\/E9X","description":"\u003ch4\u003eStrengthen BMW Rear Suspension With Billet Trailing Arms\u003c\/h4\u003e\n\u003cp\u003eSPL Parts SPL RTR E9X replaces the flexible stamped steel rear lower trailing arms on compatible BMW E8X and E9X models. The rigid billet design reduces arm deflection and unsprung mass to improve suspension control and response without adding noise, vibration, or harshness.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e6061-T6 billet aluminum construction improves rigidity\u003c\/li\u003e\n\u003cli\u003eBlack anodized finish provides a durable exterior\u003c\/li\u003e\n\u003cli\u003eEach arm weighs 0.75 pounds and is 35 percent lighter than the original arm\u003c\/li\u003e\n\u003cli\u003eDirect replacement design uses the included Class 10.9 metric hardware\u003c\/li\u003e\n\u003cli\u003eReduced arm deflection helps control rear bumpsteer during acceleration and braking\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eVehicle Application\u003c\/th\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003cth\u003ePosition\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2008-2013\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e1 Series, including 1 Series M\u003c\/td\u003e\n\u003ctd\u003eE81, E82, E87, E88\u003c\/td\u003e\n\u003ctd\u003eRear lower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2006-2013\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e3 Series\u003c\/td\u003e\n\u003ctd\u003eE90, E91, E92, E93\u003c\/td\u003e\n\u003ctd\u003eRear lower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2008-2013\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003eE90, E92\u003c\/td\u003e\n\u003ctd\u003eRear lower\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\u003eManufacturer part number\u003c\/td\u003e\n\u003ctd\u003eSPL RTR E9X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eRear lower trailing arm set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArm material\u003c\/td\u003e\n\u003ctd\u003e6061-T6 billet aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eBlack anodized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardware\u003c\/td\u003e\n\u003ctd\u003eZinc plated Class 10.9 metric hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.75 pounds per side\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOriginal equipment part numbers replaced\u003c\/td\u003e\n\u003ctd\u003e33322406291 and 33326763477\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eTwo SPL RTR E9X rear lower trailing arms\u003c\/li\u003e\n\u003cli\u003eFour Class 10.9 mounting bolts with nuts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eAbout SPL Parts\u003c\/h4\u003e\n\u003cp\u003eSPL Parts develops suspension components for performance street and track vehicles. Its SPL RTR E9X trailing arms use machined billet construction to replace the flexible original stamped steel design.\u003c\/p\u003e\n\u003ch4\u003eFAQ\u003c\/h4\u003e\n\u003cstrong\u003eWhat is the SPL RTR E9X?\u003c\/strong\u003e\n\u003cp\u003eIt is a pair of billet rear lower trailing arms for the listed BMW E8X and E9X applications.\u003c\/p\u003e\n\u003cstrong\u003eWhich BMW models fit these trailing arms?\u003c\/strong\u003e\n\u003cp\u003eThey fit the verified 1 Series, 3 Series, and M3 chassis and years shown in the fitment table.\u003c\/p\u003e\n\u003cstrong\u003eDo these arms fit BMW M models?\u003c\/strong\u003e\n\u003cp\u003eYes. Verified applications include the E82 1 Series M and the E90 and E92 M3.\u003c\/p\u003e\n\u003cstrong\u003eAre the arms adjustable?\u003c\/strong\u003e\n\u003cp\u003eNo. They are direct replacement fixed length trailing arms.\u003c\/p\u003e\n\u003cstrong\u003eHow much does each arm weigh?\u003c\/strong\u003e\n\u003cp\u003eEach arm weighs 0.75 pounds, which is 35 percent lighter than the original arm.\u003c\/p\u003e\n\u003cstrong\u003eWill the arms add noise or harshness?\u003c\/strong\u003e\n\u003cp\u003eNo. The manufacturer states that the arms have no impact on noise, vibration, or harshness.\u003c\/p\u003e\n\u003cstrong\u003eIs mounting hardware included?\u003c\/strong\u003e\n\u003cp\u003eYes. Four zinc plated Class 10.9 mounting bolts with nuts are included.\u003c\/p\u003e\n\u003cstrong\u003eWhich original BMW parts do these replace?\u003c\/strong\u003e\n\u003cp\u003eThey replace BMW trailing arm part numbers 33322406291 and 33326763477.\u003c\/p\u003e\n\u003ch4\u003eInstallation Instructions\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eConfirm the vehicle and original equipment part number match the fitment table before installing SPL RTR E9X.\u003c\/li\u003e\n\u003cli\u003eRaise and support the vehicle using the BMW service procedure.\u003c\/li\u003e\n\u003cli\u003eRemove the rear wheels and support the rear suspension before loosening the original trailing arm fasteners.\u003c\/li\u003e\n\u003cli\u003eRemove one original rear lower trailing arm and compare its mounting points with the replacement arm.\u003c\/li\u003e\n\u003cli\u003eInstall the matching billet arm with the included Class 10.9 hardware.\u003c\/li\u003e\n\u003cli\u003eRepeat the procedure on the opposite side.\u003c\/li\u003e\n\u003cli\u003eTighten all hardware to the applicable BMW service specifications at the specified suspension position.\u003c\/li\u003e\n\u003cli\u003eInspect the installation and verify rear suspension operation before driving.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"SPL Parts","offers":[{"title":"Default Title","offer_id":46496597573711,"sku":"SPPSPL RTR E9X","price":332.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/spl-parts-spl-rtr-e9x-bmw-rear-trailing-arms-01.jpg?v=1787756260","url":"https:\/\/www.blackopsautoworks.com\/products\/spl-parts-bmw-e8x-e9x-rear-lower-trailing-arms","provider":"Black Ops Auto Works","version":"1.0","type":"link"}