{"title":"BMW Z3 \u0026 Z4 Seat Mounts \u0026 Brackets","description":"\u003cp\u003eSeat brackets and mounts for the BMW Z3 and Z4, from Planted, Sparco and Brey-Krause.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eListings cover:\u003c\/strong\u003e BMW Z3 Coupe \/ M Coupe (1996-2002); BMW Z4 \/ M Coupe \/ Roadster (2002-2008).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrey-Krause\u003c\/strong\u003e R-922x side mounts, the R-9224 Cobra Nogaro kit and the R-9246\/R-9247 bottom-mount adapters bolt to the factory power or manual sliders of the E85\/E86 Z4 (and the E46), with matching R-9225 lap-belt mounts, R-9228\/R-9229 sub-belt mounts and R-9226\/R-9227 slider handles.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePlanted brackets\u003c\/strong\u003e are 3\/16\" steel, hand-welded and powder-coated, built to the car's own floor and set up for standard aftermarket sliders.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSparco 600 Series brackets\u003c\/strong\u003e are 3\/16\" steel seat bases drilled for Sparco sliders.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCheck the listing, not just the model.\u003c\/strong\u003e Most brackets are sold per side, driver\/left or passenger\/right, and many are made for specific years, body styles or mounting heights. Match the listing title to your car. Not sure? Tell us the car and the seat and we will confirm before you order.\u003c\/p\u003e\u003cp\u003eSee all \u003ca href=\"\/collections\/bmw-seat-mounts\"\u003eBMW seat mounts\u003c\/a\u003e. See every \u003ca href=\"\/collections\/seat-brackets\"\u003eseat bracket and side mount\u003c\/a\u003e and our \u003ca href=\"\/collections\/seats\"\u003eracing seats\u003c\/a\u003e, or read \u003ca href=\"\/blogs\/enzuca-s-blog-news-and-features\/racing-seat-installation-seats-brackets-sliders-harness-mounting\"\u003ehow to install a racing seat\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"sparco-600-series-seatbase-adapter-bmw-z3-m-coupe-1996-02-passenger","title":"Sparco 600 Seat Bracket - BMW Z3 Coupe \/ M Coupe (1996-2002) - Passenger\/Right","description":"\u003cp\u003eThe Sparco 600 Series passenger-side seat base bolts to the factory seat mounts in the 1996-2002 BMW Z3 Coupe \/ M Coupe and gives your seat a flat, rigid platform. It is 3\/16\" steel with a black wrinkle powder coat, and the top plate is drilled for Sparco sliders. Installation is 100% bolt-in.\u003c\/p\u003e","brand":"Sparco","offers":[{"title":"Default Title","offer_id":47867479326995,"sku":"SP600SB008RGT","price":199.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/1487\/4131\/files\/sparco-sp600sb-main-web_111b54bf-a3c6-4b80-8811-a08425446572.jpg?v=1790751909"},{"product_id":"sparco-600-series-seatbase-adapter-bmw-z4-m-coupe-2002-08-passenger","title":"Sparco 600 Seat Bracket - BMW Z4 \/ M Coupe \/ Roadster (2002-2008) - Passenger\/Right","description":"\u003cp\u003eThe Sparco 600 Series passenger-side seat base bolts to the factory seat mounts in the 2002-2008 BMW Z4 \/ M Coupe \/ Roadster and gives your seat a flat, rigid platform. It is 3\/16\" steel with a black wrinkle powder coat, and the top plate is drilled for Sparco sliders. Installation is 100% bolt-in.\u003c\/p\u003e","brand":"Sparco","offers":[{"title":"Default Title","offer_id":47867479359763,"sku":"SP600SB126RGT","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/1487\/4131\/files\/sparco-sp600sb-main-web_7e83ab99-b584-4b15-ac5d-c4db544eac0a.jpg?v=1790751913"},{"product_id":"sparco-600-series-seatbase-adapter-bmw-z3-m-coupe-1996-02-driver","title":"Sparco 600 Seat Bracket - BMW Z3 Coupe \/ M Coupe (1996-2002) - Driver\/Left","description":"\u003cp\u003eThe Sparco 600 Series driver-side seat base bolts to the factory seat mounts in the 1996-2002 BMW Z3 Coupe \/ M Coupe and gives your seat a flat, rigid platform. It is 3\/16\" steel with a black wrinkle powder coat, and the top plate is drilled for Sparco sliders. Installation is 100% bolt-in.\u003c\/p\u003e","brand":"Sparco","offers":[{"title":"Default Title","offer_id":47867479392531,"sku":"SP600SB008LFT","price":199.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/1487\/4131\/files\/sparco-sp600sb-main-web_9a8572e7-98b4-41db-96fa-c42099622ff6.jpg?v=1790751907"},{"product_id":"sparco-600-series-seatbase-adapter-bmw-z4-m-coupe-2002-08-driver","title":"Sparco 600 Seat Bracket - BMW Z4 \/ M Coupe \/ Roadster (2002-2008) - Driver\/Left","description":"\u003cp\u003eThis Sparco 600 Series driver-side base is vehicle-specific to the 2002-2008 BMW Z4 \/ M Coupe \/ Roadster and installs with no floor modification. The 3\/16\" steel construction gives a flex-free mount, and the Sparco top plate is drilled for Sparco sliders. A wide platform also allows direct side-mount installation.\u003c\/p\u003e","brand":"Sparco","offers":[{"title":"Default Title","offer_id":47867479425299,"sku":"SP600SB126LFT","price":199.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/1487\/4131\/files\/sparco-sp600sb-main-web_05683712-c20c-45f2-96ea-b2db310b2773.jpg?v=1790751912"},{"product_id":"brey-krause-r-9229-passenger-sub-belt-mount-r-922x-seat-mount","title":"Brey Krause R-9229 Passenger Sub Belt Mount - R-922x Seat Mount","description":"\u003cp\u003eThe Brey Krause Model R-9229 Passenger-Side Anti-Sub Strap Mount is designed to mount directly to Brey Krause's line of R-922x Side Mount Adapters that fit any BMW E46 3-Series model (including the M3) or BMW Z4 (E85\/E86). The stainless steel bar attaches directly to the factory\/OE slider and helps properly locate the Anti-Sub belt for optimal safety. Moves together with the slider to keep the belt properly located and at the same length, regardless of seat position.\u003c\/p\u003e","brand":"Brey Krause","offers":[{"title":"Default Title","offer_id":51926210248979,"sku":"BR9229","price":78.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/1487\/4131\/files\/R-9228-2-web_d1a4712f-b2c3-4bbb-997c-d28d99359f53.jpg?v=1749838414"},{"product_id":"brey-krause-r-9246-driver-seat-bottom-mount-adapter-bmw-e46-e85-e86","title":"Brey Krause R-9246 Driver Seat Bottom Mount Adapter - BMW E46\/E85\/E86","description":"\u003cp\u003eThe Brey Krause R-9246 Seat Mount is an innovative solution that attaches bottom mounting Sparco, Cobra or Recaro seats to the OE-factory, power slider mechanisms on BMW E46 (including M-Series), and E85\/E86 (Z4 Roadster\/Coupe) cars. \u003cspan data-mce-fragment=\"1\"\u003eThe mount maintains the factory power adjustment for both the seat height and front\/back settings (requires BMW E30 window switches - not included, but easily sourced).\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Brey Krause","offers":[{"title":"Default Title","offer_id":51926211133715,"sku":"BR9246","price":236.23,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/1487\/4131\/files\/R-9292_R-9247-main-web_50f20dd5-8fb5-4d17-9630-e3d698a18945.jpg?v=1749838418"},{"product_id":"brey-krause-r-9247-passenger-seat-bottom-mount-adapter-bmw-e46-e85-e86","title":"Brey Krause R-9247 Passenger Seat Bottom Mount Adapter - BMW E46\/E85\/E86","description":"\u003cp\u003eThe Brey Krause R-9247 Seat Mount is an innovative solution that attaches bottom mounting Sparco, Cobra or Recaro seats to the OE-factory, power slider mechanisms on BMW E46 (including M-Series), and E85\/E86 (Z4 Roadster\/Coupe) cars. \u003cspan data-mce-fragment=\"1\"\u003eThe mount maintains the factory power adjustment for both the seat height and front\/back settings (requires BMW E30 window switches - not included, but easily sourced).\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Brey Krause","offers":[{"title":"Default Title","offer_id":51926211395859,"sku":"BR9247","price":236.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/1487\/4131\/files\/R-9292_R-9247-main-web_b6e7c935-1cf5-46f2-83ff-bec532e076cc.jpg?v=1749838418"},{"product_id":"brey-krause-r-9228-driver-sub-belt-mount-r-922x-seat-mount","title":"Brey Krause R-9228 Driver Sub Belt Mount - R-922x Seat Mount","description":"\u003cp\u003eThe Brey Krause Model R-9228 Driver-Side Anti-Sub Strap Mount is designed to mount directly to Brey Krause's line of R-922x Side Mount Adapters that fit any BMW E46 3-Series model (including the M3) or BMW Z4 (E85\/E86). The stainless steel bar attaches directly to the factory\/OE slider and helps properly locate the Anti-Sub belt for optimal safety. Moves together with the slider to keep the belt properly located and at the same length, regardless of seat position.\u003c\/p\u003e","brand":"Brey Krause","offers":[{"title":"Default Title","offer_id":51926211068179,"sku":"BR9228","price":78.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/1487\/4131\/files\/R-9228-2-web.jpg?v=1749838416"},{"product_id":"planted-bmw-z3-seat-bracket-1996-02-m-coupe-passenger","title":"Planted Seat Bracket - BMW Z3 Coupe \/ M Coupe (1996-2002) - Passenger\/Right","description":"\u003cp\u003eThis Planted passenger-side bracket gives the 1996-2002 BMW Z3 Coupe \/ M Coupe a rigid, vehicle-specific base for an aftermarket seat, with no floor modification. Construction is 3\/16\" laser-cut steel, hand-welded and powder-coated black, with Standard slider patterns. It's a solid foundation for autocross, track-day and street builds.\u003c\/p\u003e","brand":"Planted","offers":[{"title":"Default Title","offer_id":51926329917715,"sku":"SB008     RIGHT","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/1487\/4131\/files\/SB008PA-1-web.jpg?v=1790750774"},{"product_id":"planted-bmw-z3-seat-bracket-1996-02-m-coupe-driver","title":"Planted Seat Bracket - BMW Z3 Coupe \/ M Coupe (1996-2002) - Driver\/Left","description":"\u003cp\u003eThe Planted driver-side seat bracket bolts an aftermarket seat to the factory floor points in the 1996-2002 BMW Z3 Coupe \/ M Coupe. It is laser-cut 3\/16\" steel, hand-welded in the USA and pre-slotted for most major slider patterns. It's a solid foundation for autocross, track-day and street builds.\u003c\/p\u003e","brand":"Planted","offers":[{"title":"Default Title","offer_id":51926331392275,"sku":"SB008     LEFT","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/1487\/4131\/files\/SB008DR-1-web.jpg?v=1790750767"},{"product_id":"planted-bmw-z4-seat-bracket-2002-08-m-coupe-driver","title":"Planted Seat Bracket - BMW Z4 \/ M Coupe \/ Roadster (2002-2008) - Driver\/Left","description":"\u003cp\u003eMount an aftermarket seat in the 2002-2008 BMW Z4 \/ M Coupe \/ Roadster with this Planted driver-side bracket, built to the car's actual floor. It is 3\/16\" hand-welded steel with a black powder coat, pre-slotted for most major sliders. It's a solid foundation for autocross, track-day and street builds.\u003c\/p\u003e","brand":"Planted","offers":[{"title":"Default Title","offer_id":51926331490579,"sku":"SB126     LEFT","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/1487\/4131\/files\/SB126DR-1-web.jpg?v=1790750774"},{"product_id":"planted-bmw-z4-seat-bracket-2002-08-m-coupe-passenger","title":"Planted Seat Bracket - BMW Z4 \/ M Coupe \/ Roadster (2002-2008) - Passenger\/Right","description":"\u003cp\u003eThis Planted passenger-side bracket gives the 2002-2008 BMW Z4 \/ M Coupe \/ Roadster a rigid, vehicle-specific base for an aftermarket seat, with no floor modification. Construction is 3\/16\" laser-cut steel, hand-welded and powder-coated black, with Standard slider patterns. It's a solid foundation for autocross, track-day and street builds.\u003c\/p\u003e","brand":"Planted","offers":[{"title":"Default Title","offer_id":51926331719955,"sku":"SB126     RIGHT","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/1487\/4131\/files\/SB126PA-1-web.jpg?v=1790750776"},{"product_id":"brey-krause-r-9226-driver-slider-handle-r-922x-seat-mount","title":"Brey Krause R-9226 Driver Slider Handle - R-922x Seat Mount","description":"\u003cp\u003eThe Brey Krause R-9226 Driver-Side Slider Release Handle are a direct replacement for the factory seat adjustment handle on any BMW E46 3-Series model (including the M3) or BMW Z4 (E85\/E86). Designed to be used together with the Brey Krause R-922x line of Side Mount Adapters, the handle is required because the factory slider release handle is built into the factory seat and cannot be reused. Semi-Gloss black finish matches the factory handle to maintain an OE look, with a rubberized handle for easy use without looking down. Includes tensioning springs to prevent rattling.\u003c\/p\u003e","brand":"Brey Krause","offers":[{"title":"Default Title","offer_id":51961489228051,"sku":"BR9226","price":78.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/1487\/4131\/files\/R-9226-2-web.jpg?v=1750791969"},{"product_id":"brey-krause-r-9225-harness-mount-kit-bmw-e46-e85-e86-with-r-922x-seat-mount","title":"Brey Krause R-9225 Harness Mount Kit - BMW E46\/E85\/E86 with R-922x Seat Mount","description":"\u003cp\u003eThe Brey Krause Model R-9225 Lap Belt Mount are designed to attach directly to the OEM driver or passenger-side seat-slider hardware on any BMW E46 3-Series model (including the M3) or BMW Z4 (E85\/E86). When installed together with the Brey Krause R-922x Side Mount Adapters, these lap-belt mounts locate the harness clip above the factory sliders, helping the belts stay properly located and at the correct length, regardless of the seat position.\u003c\/p\u003e","brand":"Brey Krause","offers":[{"title":"Default Title","offer_id":51961489195283,"sku":"BR9225","price":110.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/1487\/4131\/files\/R-9225-2-web.jpg?v=1750791969"},{"product_id":"brey-krause-r-9222-driver-seat-side-mount-adapter-bmw-e46-e85-e86-narrow-medium-width","title":"Brey Krause R-9222 Driver Seat Side Mount Adapter - BMW E46\/E85\/E86, Narrow\/Medium Width","description":"The Brey Krause R-9222 Seat Mount is an innovative solution that attaches aftermarket racing seats directly to BMW OEM power or manual seat sliding mechanisms. By using this side-mount, the racing seat can be bolted directly to the existing driver-side seat-slider hardware on any BMW E46 3-Series model (including the M3) or BMW Z4 (E85\/E86). Utilizing the factory sliders not only allows for a significantly greater adjustment range, but they are designed and tested to have the belts mounted above them, allowing the belts to stay properly located regardless of seating position. \u003cbr\u003e\u003cbr\u003eThe Brey Krause adapters utilize the factory 3-point belt system, or Clip-in Lap Belt mounts are sold separately for mounting racing harnesses. They also are designed to use the factory BMW switch (when used with power sliders), creating a unique OE look. If using manual sliders, the R-9226 slider handle replaces the factory slider release. Easily integrates with the Brey Krause R-9228 Driver-Side Sub Strap Mount (sold separately). \u003cbr\u003e\u003cbr\u003e  Medium Width (365-429mm seats) fits many popular seats, including (but not limited to):\u003cbr\u003e • Sparco Ergo (Medium)\u003cbr\u003e • Sparco Circuit 2\u003cbr\u003e • Sparco Evo II\u003cbr\u003e • Sparco Sprint","brand":"Brey Krause","offers":[{"title":"Default Title","offer_id":51961489260819,"sku":"BR9222","price":236.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/1487\/4131\/files\/R-9220-3-web_719caf00-ff5f-4b57-9c17-a1141d62fc1a.jpg?v=1750791969"},{"product_id":"brey-krause-r-9227-passenger-slider-handle-r-922x-seat-mount","title":"Brey Krause R-9227 Passenger Slider Handle - R-922x Seat Mount","description":"\u003cp\u003eThe Brey Krause R-9227 Passenger-Side Slider Release Handle are a direct replacement for the factory seat adjustment handle on any BMW E46 3-Series model (including the M3) or BMW Z4 (E85\/E86). Designed to be used together with the Brey Krause R-922x line of Side Mount Adapters, the handle is required because the factory slider release handle is built into the factory seat and cannot be reused. Semi-Gloss black finish matches the factory handle to maintain an OE look, with a rubberized handle for easy use without looking down. Includes tensioning springs to prevent rattling.\u003c\/p\u003e","brand":"Brey Krause","offers":[{"title":"Default Title","offer_id":51961489326355,"sku":"BR9227","price":78.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/1487\/4131\/files\/R-9226-2-web_9188dd6a-afe1-477b-943c-26a7341d9fdd.jpg?v=1750791969"},{"product_id":"brey-krause-r-9224-cobra-nogaro-seat-mount-kit-bmw-e46-e85-e86","title":"Brey Krause R-9224 Cobra Nogaro Seat Mount Kit - BMW E46\/E85\/E86","description":"The Brey Krause R-9224 Seat Mount kit is an innovative solution that mounts the Cobra Nagaro racing seat directly to BMW OEM power or manual seat sliding mechanisms. Includes both the driver and passenger mounts for a complete install. By using this side-mount, the racing seat can be bolted directly to the existing passenger-side seat-slider hardware on any BMW E46 3-Series model (including the M3) or BMW Z4 (E85\/E86). Utilizing the factory sliders not only allows for a significantly greater adjustment range, but they are designed and tested to have the belts mounted above them, allowing the belts to stay properly located regardless of seating position. \u003cbr\u003e\u003cbr\u003eThe Brey Krause adapters utilize the factory 3-point belt system, or Clip-in Lap Belt mounts are sold separately for mounting racing harnesses. They also are designed to use the factory BMW switch (when used with power sliders), creating a unique OE look. If using manual sliders, the R-9227 slider handle replaces the factory slider release. Easily integrates with the Brey Krause R-9229 Passenger-Side Sub Strap Mount (sold separately).","brand":"Brey Krause","offers":[{"title":"Default Title","offer_id":51961489293587,"sku":"BR9224","price":393.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/1487\/4131\/files\/R-9224-2-web.jpg?v=1750791969"},{"product_id":"brey-krause-r-9221-passenger-seat-side-mount-adapter-bmw-e46-e85-e86-large-width","title":"Brey Krause R-9221 Passenger Seat Side Mount Adapter - BMW E46\/E85\/E86, Large Width","description":"The Brey Krause R-9221 Seat Mount is an innovative solution that attaches aftermarket racing seats directly to BMW OEM power or manual seat sliding mechanisms. By using this side-mount, the racing seat can be bolted directly to the existing passenger-side seat-slider hardware on any BMW E46 3-Series model (including the M3) or BMW Z4 (E85\/E86). Utilizing the factory sliders not only allows for a significantly greater adjustment range, but they are designed and tested to have the belts mounted above them, allowing the belts to stay properly located regardless of seating position. \u003cbr\u003e\u003cbr\u003eThe Brey Krause adapters utilize the factory 3-point belt system, or Clip-in Lap Belt mounts are sold separately for mounting racing harnesses. They also are designed to use the factory BMW switch (when used with power sliders), creating a unique OE look. If using manual sliders, the R-9227 slider handle replaces the factory slider release. Easily integrates with the Brey Krause R-9229 Passenger-Side Sub Strap Mount (sold separately). \u003cbr\u003e\u003cbr\u003e  Large Width (430-460mm seats) fits many popular seats, including (but not limited to):\u003cbr\u003e • Recaro Profi XL\u003cbr\u003e • Recaro Pole Position\u003cbr\u003e • Recaro Pro Racer Hans XL SPA\u003cbr\u003e • Recaro Pro Racer Hans XL\u003cbr\u003e • Sparco Ergo (Large)\u003cbr\u003e • Sparco Evo II US\u003cbr\u003e • Sparco Evo III\u003cbr\u003e • Sparco Pro 2000 II","brand":"Brey Krause","offers":[{"title":"Default Title","offer_id":51961490112787,"sku":"BR9221","price":236.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/1487\/4131\/files\/R-9220-3-web_a8650d83-f05b-4e5d-9a84-111b2ed0c103.jpg?v=1750791982"},{"product_id":"brey-krause-r-9220-driver-seat-side-mount-adapter-bmw-e46-e85-e86-large-width","title":"Brey Krause R-9220 Driver Seat Side Mount Adapter - BMW E46\/E85\/E86, Large Width","description":"The Brey Krause R-9220 Seat Mount is an innovative solution that attaches aftermarket racing seats directly to BMW OEM power or manual seat sliding mechanisms. By using this side-mount, the racing seat can be bolted directly to the existing driver-side seat-slider hardware on any BMW E46 3-Series model (including the M3) or BMW Z4 (E85\/E86). Utilizing the factory sliders not only allows for a significantly greater adjustment range, but they are designed and tested to have the belts mounted above them, allowing the belts to stay properly located regardless of seating position. \u003cbr\u003e\u003cbr\u003eThe Brey Krause adapters utilize the factory 3-point belt system, or Clip-in Lap Belt mounts are sold separately for mounting racing harnesses. They also are designed to use the factory BMW switch (when used with power sliders), creating a unique OE look. If using manual sliders, the R-9226 slider handle replaces the factory slider release. Easily integrates with the Brey Krause R-9228 Driver-Side Sub Strap Mount (sold separately). \u003cbr\u003e\u003cbr\u003e  Large Width (430-460mm seats) fits many popular seats, including (but not limited to):\u003cbr\u003e • Recaro Profi XL\u003cbr\u003e • Recaro Pole Position\u003cbr\u003e • Recaro Pro Racer Hans XL SPA\u003cbr\u003e • Recaro Pro Racer Hans XL\u003cbr\u003e • Sparco Ergo (Large)\u003cbr\u003e • Sparco Evo II US\u003cbr\u003e • Sparco Evo III\u003cbr\u003e • Sparco Pro 2000 II","brand":"Brey Krause","offers":[{"title":"Default Title","offer_id":51961490440467,"sku":"BR9220","price":236.23,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/1487\/4131\/files\/R-9220-3-web_bf6aeb3e-d687-4f9f-a353-df0d12beca8a.jpg?v=1750791999"},{"product_id":"brey-krause-r-9223-passenger-seat-side-mount-adapter-bmw-e46-e85-e86-narrow-medium-width","title":"Brey Krause R-9223 Passenger Seat Side Mount Adapter - BMW E46\/E85\/E86, Narrow\/Medium Width","description":"The Brey Krause R-9223 Seat Mount is an innovative solution that attaches aftermarket racing seats directly to BMW OEM power or manual seat sliding mechanisms. By using this side-mount, the racing seat can be bolted directly to the existing driver-side seat-slider hardware on any BMW E46 3-Series model (including the M3) or BMW Z4 (E85\/E86). Utilizing the factory sliders not only allows for a significantly greater adjustment range, but they are designed and tested to have the belts mounted above them, allowing the belts to stay properly located regardless of seating position. \u003cbr\u003e\u003cbr\u003eThe Brey Krause adapters utilize the factory 3-point belt system, or Clip-in Lap Belt mounts are sold separately for mounting racing harnesses. They also are designed to use the factory BMW switch (when used with power sliders), creating a unique OE look. If using manual sliders, the R-9226 slider handle replaces the factory slider release. Easily integrates with the Brey Krause R-9228 Driver-Side Sub Strap Mount (sold separately). \u003cbr\u003e\u003cbr\u003e  Medium Width (365-429mm seats) fits many popular seats, including (but not limited to):\u003cbr\u003e • Sparco Ergo (Medium)\u003cbr\u003e • Sparco Circuit 2\u003cbr\u003e • Sparco Evo II\u003cbr\u003e • Sparco Sprint","brand":"Brey Krause","offers":[{"title":"Default Title","offer_id":51961490669843,"sku":"BR9223","price":236.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/1487\/4131\/files\/R-9220-3-web_b05c98b6-ef45-4eab-8c29-03bb34445c55.jpg?v=1750791995"}],"url":"https:\/\/enzuca.com\/collections\/bmw-z3-z4-seat-mounts.oembed","provider":"Enzuca’s corner","version":"1.0","type":"link"}