{"product_id":"bull-boost-performance-billet-short-shifter-box-for-bmw-n20-n54-n55-135i-335i-getrag-zf-5-6-speed-transmissions-black","title":"BULL BOOST PERFORMANCE Billet Short Shifter Box for BMW N20 N54 N55 135i 335i Getrag \u0026 ZF 5\/6-Speed Transmissions – Black","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a0a735e-1014-83ea-a501-1a53d7611d8c-0\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6a0a735e-1014-83ea-a501-1a53d7611d8c-0\" data-turn-id-container=\"request-6a0a735e-1014-83ea-a501-1a53d7611d8c-0\" data-testid=\"conversation-turn-46\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"8f66fbeb-52b6-43cc-b7ed-45344b2ad76f\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"157\"\u003e\u003cstrong data-start=\"128\" data-end=\"157\"\u003ePart Number: 723098227851\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"159\" data-end=\"576\"\u003eUpgrade your BMW’s driving experience with the Bull Boost Performance Billet Short Shifter Box, engineered to deliver shorter, more precise shift engagement with improved driver feedback and reduced shift play. Designed for a wide range of BMW Getrag and ZF 5-speed and 6-speed manual transmission applications, this performance shifter assembly is ideal for street, track, drift, and performance driving enthusiasts.\u003c\/p\u003e\n\u003cp data-start=\"578\" data-end=\"896\"\u003ePrecision CNC-machined from lightweight billet aluminum, this shifter box combines strength, durability, and refined shifting performance in a compact package weighing approximately 2.2 lbs. The short-throw geometry significantly reduces shift travel while maintaining the factory linkage system completely unmodified.\u003c\/p\u003e\n\u003cp data-start=\"898\" data-end=\"1187\"\u003eIntegrated adjustable gear stops help eliminate excessive side-to-side movement for tighter, more accurate gear changes. The included self-centering spring mechanism improves shifter feel and responsiveness, especially in vehicles with worn or weakened factory transmission return springs.\u003c\/p\u003e\n\u003cp data-start=\"1189\" data-end=\"1372\"\u003eBuilt for drivers seeking a more connected and aggressive shifting experience, this short shifter is an excellent upgrade for naturally aspirated and turbocharged BMW platforms alike.\u003c\/p\u003e\n\u003cp data-start=\"1374\" data-end=\"1408\"\u003e\u003cstrong data-start=\"1374\" data-end=\"1408\"\u003eKey Features \u0026amp; Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1409\" data-end=\"1861\"\u003e\n\u003cli data-section-id=\"uri0z5\" data-start=\"1409\" data-end=\"1464\"\u003ePrecision CNC-machined billet aluminum construction\u003c\/li\u003e\n\u003cli data-section-id=\"160n4kj\" data-start=\"1465\" data-end=\"1498\"\u003eDurable black anodized finish\u003c\/li\u003e\n\u003cli data-section-id=\"3b80ba\" data-start=\"1499\" data-end=\"1555\"\u003eShort-throw shift design for quicker gear engagement\u003c\/li\u003e\n\u003cli data-section-id=\"5bh91t\" data-start=\"1556\" data-end=\"1587\"\u003eApproximate weight: 2.2 lbs\u003c\/li\u003e\n\u003cli data-section-id=\"19tsuph\" data-start=\"1588\" data-end=\"1641\"\u003eAdjustable gear stops reduce lateral shifter play\u003c\/li\u003e\n\u003cli data-section-id=\"1ted33j\" data-start=\"1642\" data-end=\"1687\"\u003eFactory linkage system remains unmodified\u003c\/li\u003e\n\u003cli data-section-id=\"1oss5q8\" data-start=\"1688\" data-end=\"1732\"\u003eSelf-centering spring mechanism included\u003c\/li\u003e\n\u003cli data-section-id=\"1kzb7t6\" data-start=\"1733\" data-end=\"1804\"\u003eCompatible with Getrag and ZF 5-speed \/ 6-speed H-pattern gearboxes\u003c\/li\u003e\n\u003cli data-section-id=\"1c6tsa3\" data-start=\"1805\" data-end=\"1861\"\u003ePrecision TIG-assembled and high-quality workmanship\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1863\" data-end=\"1888\"\u003e\u003cstrong data-start=\"1863\" data-end=\"1888\"\u003ePerformance Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1889\" data-end=\"2131\"\u003e\n\u003cli data-section-id=\"6s4s1c\" data-start=\"1889\" data-end=\"1930\"\u003eShorter and more precise shift travel\u003c\/li\u003e\n\u003cli data-section-id=\"1he7i2u\" data-start=\"1931\" data-end=\"1979\"\u003eImproved driver feedback and gear engagement\u003c\/li\u003e\n\u003cli data-section-id=\"103t7fn\" data-start=\"1980\" data-end=\"2021\"\u003eReduced side-to-side shifter movement\u003c\/li\u003e\n\u003cli data-section-id=\"jsc5bs\" data-start=\"2022\" data-end=\"2081\"\u003eEnhanced shifting performance during aggressive driving\u003c\/li\u003e\n\u003cli data-section-id=\"xvj0fq\" data-start=\"2082\" data-end=\"2131\"\u003eImproved transmission feel and responsiveness\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2133\" data-end=\"2174\"\u003e\u003cstrong data-start=\"2133\" data-end=\"2174\"\u003eRecommended Supporting Modifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2175\" data-end=\"2233\"\u003e\n\u003cli data-section-id=\"1eiurup\" data-start=\"2175\" data-end=\"2200\"\u003eStiffer engine mounts\u003c\/li\u003e\n\u003cli data-section-id=\"1ilr4fo\" data-start=\"2201\" data-end=\"2233\"\u003eUpgraded transmission mounts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2235\" data-end=\"2270\"\u003e\u003cstrong data-start=\"2235\" data-end=\"2270\"\u003eVehicle Fitment (Partial List):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2272\" data-end=\"2288\"\u003e\u003cstrong data-start=\"2272\" data-end=\"2288\"\u003eBMW 1 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2289\" data-end=\"2413\"\u003e\n\u003cli data-section-id=\"1bpgl98\" data-start=\"2289\" data-end=\"2334\"\u003eBMW 135i E82\/E88 N54\/N55 3.0L (2008–2013)\u003c\/li\u003e\n\u003cli data-section-id=\"d3xf5j\" data-start=\"2335\" data-end=\"2376\"\u003eBMW 128i E82\/E88 N52 3.0L (2008–2013)\u003c\/li\u003e\n\u003cli data-section-id=\"1g8n8oy\" data-start=\"2377\" data-end=\"2413\"\u003eBMW 1M Coupe E82 N54 3.0L (2011)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2415\" data-end=\"2431\"\u003e\u003cstrong data-start=\"2415\" data-end=\"2431\"\u003eBMW 3 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2432\" data-end=\"2588\"\u003e\n\u003cli data-section-id=\"1gb5bvh\" data-start=\"2432\" data-end=\"2486\"\u003eBMW 325i \/ 328i \/ 330i E90\/E91\/E92\/E93 (2006–2013)\u003c\/li\u003e\n\u003cli data-section-id=\"2gounm\" data-start=\"2487\" data-end=\"2544\"\u003eBMW 335i \/ 335xi E90\/E92\/E93 N54\/N55 3.0L (2007–2013)\u003c\/li\u003e\n\u003cli data-section-id=\"11tadcd\" data-start=\"2545\" data-end=\"2588\"\u003eBMW M3 E90\/E92\/E93 S65 4.0L (2008–2013)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2590\" data-end=\"2606\"\u003e\u003cstrong data-start=\"2590\" data-end=\"2606\"\u003eBMW 5 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2607\" data-end=\"2757\"\u003e\n\u003cli data-section-id=\"1gtaxd9\" data-start=\"2607\" data-end=\"2666\"\u003eBMW E34 \/ E39 \/ E60 5-Series Manual Transmission Models\u003c\/li\u003e\n\u003cli data-section-id=\"1us90s0\" data-start=\"2667\" data-end=\"2716\"\u003eBMW 535i \/ 535xi E60 N54\/N55 3.0L (2008–2010)\u003c\/li\u003e\n\u003cli data-section-id=\"7zdvvk\" data-start=\"2717\" data-end=\"2757\"\u003eBMW M5 E34 \/ E39 \/ E60 Manual Models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2759\" data-end=\"2775\"\u003e\u003cstrong data-start=\"2759\" data-end=\"2775\"\u003eBMW 6 Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2776\" data-end=\"2847\"\u003e\n\u003cli data-section-id=\"3aroxz\" data-start=\"2776\" data-end=\"2816\"\u003eBMW 645Ci \/ 650i E63\/E64 (2004–2010)\u003c\/li\u003e\n\u003cli data-section-id=\"b2h4uu\" data-start=\"2817\" data-end=\"2847\"\u003eBMW M6 E63\/E64 (2006–2010)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2849\" data-end=\"2865\"\u003e\u003cstrong data-start=\"2849\" data-end=\"2865\"\u003eBMW X Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2866\" data-end=\"2984\"\u003e\n\u003cli data-section-id=\"nzkvhk\" data-start=\"2866\" data-end=\"2900\"\u003eBMW X1 E84 N20\/N55 (2012–2015)\u003c\/li\u003e\n\u003cli data-section-id=\"1tcmpj9\" data-start=\"2901\" data-end=\"2942\"\u003eBMW X3 E83 Manual Transmission Models\u003c\/li\u003e\n\u003cli data-section-id=\"15ny89a\" data-start=\"2943\" data-end=\"2984\"\u003eBMW X5 E53 Manual Transmission Models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2986\" data-end=\"3015\"\u003e\u003cstrong data-start=\"2986\" data-end=\"3015\"\u003eAdditional Compatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3016\" data-end=\"3196\"\u003e\n\u003cli data-section-id=\"1ytrt80\" data-start=\"3016\" data-end=\"3196\"\u003eBMW E10 \/ E12 \/ E21 \/ E23 \/ E24 \/ E28 \/ E30 \/ E31 \/ E32 \/ E36 \/ E46 \/ E52 \/ E53 \/ E60 chassis manual transmission applications compatible with Getrag or ZF H-pattern gearboxes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3198\" data-end=\"3365\"\u003e\u003cstrong data-start=\"3198\" data-end=\"3220\"\u003eInstallation Note:\u003c\/strong\u003e\u003cbr data-start=\"3220\" data-end=\"3223\"\u003eProfessional installation is recommended. Proper adjustment of gear stops and linkage alignment is important for optimal shifting performance.\u003c\/p\u003e\n\u003cp data-start=\"3367\" data-end=\"3501\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"3367\" data-end=\"3387\"\u003eWarranty Notice:\u003c\/strong\u003e\u003cbr data-start=\"3387\" data-end=\"3390\"\u003eAll warranties, claims, and product-related issues must be handled directly through \u003cstrong data-start=\"3474\" data-end=\"3500\"\u003eBULL BOOST PERFORMANCE\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Racing Precision Motorsports","offers":[{"title":"Default Title","offer_id":45429387690044,"sku":"723098227851","price":159.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/5934\/4956\/files\/IMG_7060_911x911_1e16b365-ea04-48bb-b109-03e0e0883867.webp?v=1779246710","url":"https:\/\/rpm-racing.com\/products\/bull-boost-performance-billet-short-shifter-box-for-bmw-n20-n54-n55-135i-335i-getrag-zf-5-6-speed-transmissions-black","provider":"Racing Precision Motorsports","version":"1.0","type":"link"}