{"product_id":"mmx-performance-rear-differential-polyurethane-bushing-bmw-g8x-f8x-m2-m3-m4","title":"MMX Performance Rear Differential Polyurethane Bushing (Single) - BMW G80 M3 \/ G82 M4 \/ G87 M2 \/ F80 M3 \/ F82 M4 \/ F87 M2","description":"\u003cp\u003eThe factory rear differential bushing in an M2, M3 or M4 is soft rubber, and it lets the differential shift every time you put power down. The \u003ca href=\"\/collections\/mmr-performance\"\u003eMMX Performance\u003c\/a\u003e Rear Differential Polyurethane Bushing swaps it for 80A durometer polyurethane with a black anodized 6061-T6 aluminum sleeve, giving you a tighter, more controlled connection between the differential and the chassis.\u003c\/p\u003e\n\u003cp\u003eOne part number fits both generations: the F87 M2, F80 M3 and F82 \/ F83 M4, and the G87 M2, G80 \/ G81 M3 and G82 \/ G83 M4. It drops into the factory location with no cutting or drilling, and the increase in NVH is minimal, so it works on a daily driver as well as a track car.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRear Differential Polyurethane Bushing Setups\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSingle bushing:\u003c\/strong\u003e use one as a direct replacement for the factory rear differential bushing. It keeps the standard differential mounting height.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo bushings with a dual mount:\u003c\/strong\u003e an MMX Dual Differential Mount adds a second rear mounting point, and each point takes one of these bushings, so you need two. The dual mount is chassis-specific: F8X cars use the \u003ca href=\"\/products\/mmx-performance-dual-differential-mount-bmw-f80-m3-f82-m4-f87-m2\"\u003eMMX F8X Dual Differential Mount (MMR55-1001)\u003c\/a\u003e and G8X cars use the \u003ca href=\"\/products\/mmx-performance-g8x-m2-m3-m4-dual-differential-mount\"\u003eMMX G8X Dual Differential Mount (MMR55-1606)\u003c\/a\u003e. This bushing fits both.\u003c\/p\u003e\n\u003cp\u003eNeed the +10mm raised differential height on a lowered G8X? That uses the \u003ca href=\"\/products\/mmx-performance-g8x-m2-m3-m4-rear-differential-raised-poly-bush\"\u003eMMX raised rear differential bush (MMR55-1605)\u003c\/a\u003e instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 x MMX rear differential polyurethane bushing (sold individually)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDirect replacement for the factory rear differential mounting bushing\u003c\/li\u003e\n\u003cli\u003e80A durometer grey polyurethane\u003c\/li\u003e\n\u003cli\u003eBlack anodized 6061-T6 aluminum sleeve\u003c\/li\u003e\n\u003cli\u003eReduces differential and drivetrain movement under load\u003c\/li\u003e\n\u003cli\u003eNo cutting, drilling or permanent modification\u003c\/li\u003e\n\u003cli\u003eMinimal increase in NVH\u003c\/li\u003e\n\u003cli\u003eRetains the standard differential mounting height\u003c\/li\u003e\n\u003cli\u003eFits F8X and G8X M2 \/ M3 \/ M4\u003c\/li\u003e\n\u003cli\u003ePart number: MMR55-1603\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFits the following models:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBMW G80 M3 Sedan (2021-2026)\u003c\/li\u003e\n\u003cli\u003eBMW G82 M4 Coupe (2021-2026)\u003c\/li\u003e\n\u003cli\u003eBMW G83 M4 Convertible (2022-2026)\u003c\/li\u003e\n\u003cli\u003eBMW G87 M2 (2023-2026)\u003c\/li\u003e\n\u003cli\u003eBMW G81 M3 Touring (2023-2026, not sold in the US)\u003c\/li\u003e\n\u003cli\u003eBMW F80 M3 Sedan (2015-2018)\u003c\/li\u003e\n\u003cli\u003eBMW F82 M4 Coupe (2015-2020)\u003c\/li\u003e\n\u003cli\u003eBMW F83 M4 Convertible (2015-2020)\u003c\/li\u003e\n\u003cli\u003eBMW F87 M2 (2016-2018)\u003c\/li\u003e\n\u003cli\u003eBMW F87 M2 Competition (2019-2021)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eProfessional installation is recommended. Order two bushings if you are running an MMX Dual Differential Mount.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRaise the car and support the rear differential.\u003c\/li\u003e\n\u003cli\u003eRemove the factory rear differential mount bushing.\u003c\/li\u003e\n\u003cli\u003ePress in the MMX polyurethane bushing at the factory location.\u003c\/li\u003e\n\u003cli\u003eRefit the differential and torque the hardware to BMW specification.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"MMX Performance","offers":[{"title":"Default Title","offer_id":52394884038902,"sku":"MMR55-1603","price":139.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2674\/6278\/files\/bmw-g8x-f8x-mmx-performance-rear-differential-polyurethane-rear-bushing.jpg?v=1794620502","url":"https:\/\/autotecknic.com\/products\/mmx-performance-rear-differential-polyurethane-bushing-bmw-g8x-f8x-m2-m3-m4","provider":"AutoTecknic USA","version":"1.0","type":"link"}