Racing Seat Mounts for BMW Z4 M Roadster S54 (2003-2008)

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No seat is complete without the proper mounting hardware. No matter whether you are installing adjustable sport seats or fixed-backs, make sure you choose quality DOT approved hardware everytime.
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Sparco Universal Sliders
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Sparco - Corporate Logo
T#:372873
Part#: 00493
In Stock
$ 89.00 USD
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$ 89.00 USD
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Sparco sliders allow fore and aft movement of your aftermarket bucket seats. We recommend these for anyone who is going to use their vehicle on the street as well as the track. To be paired with Sparco Universal side mounts .
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Sparco Universal Steel Side Mounts - Bucket Seats
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Sparco - Corporate Logo
T#:567468
Part#: 004902
In Stock
$ 89.00 USD
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$ 89.00 USD
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Sparco universal side mounts are used to mount aftermarket bucket seats in your vehicle. We recommend pairing these with Sparco sliders  and seat bases for optimal results.
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Seat Floor Adapters - E36, E46, E85 - Macht Schnell
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Macht Schnell - Corporate Logo
T#:300563
Part#: 79.10.101B
Ships on Jul 6, 2026
$ 235.00 USD
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$ 235.00 USD
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In order to mount aftermarket seats in your car, you need a floor mount adapter. These high-quality aluminum adapters are made by Macht Schnell. These bolt to your existing seat mounting studs in the floor and offer the lowest profile of any floor mount (22mm height). This helps to keep your seat at the lowest position possible. Your seat adapters or sliders bolt to this adapter plate. These floor mounts are a matrix style with rows of threaded holes that allow you to find an ideal seat location. There are other options - including homemade - but these seat brackets for your BMW are the highest quality to match your expensive seats.

Sold per seat. Can be used on left or right sides of vehicle.

These adapters were originally designed for the E46 chassis. They can fit the E36 by modifying the mounting holes to match the bolt and stud locations on the E36 floor.

This item fits the following BMWs:
1995-1999  E36 BMW  318i 318is 318ti 318i 323is 323i 325i 325is 325i 328i 328is 328i M3 (except convertibles) ( see note above )
1999-2005  E46 BMW  323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi M3 (except convertibles)
2003-2008  E85 E86 BMW  Z4 2.5i Z4 3.0i Z4 3.0si Z4 M Roadster M Coupe
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OMP Steel tall brackets - 36 holes | Black
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OMP - Corporate Logo
T#:393735
Part#: HC/923
Ships on Jul 7, 2026
$ 139.00 USD
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$ 139.00 USD
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Multi hole steel seat bracket in compliance with FIA Appendix J art. 253. Updated design, minimum 36 different positions. Length: 495 mm Thickness: 3 mm

OMP Steel low brackets | Black
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OMP - Corporate Logo
T#:393730
Part#: HC/733E
Ships on Aug 7, 2026
$ 95.99 USD
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$ 95.99 USD
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Steel brackets for side mounted seats. Low model. 350 mm length x 3 mm thick.
OMP Steel low brackets - 16 holes | Black
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OMP - Corporate Logo
T#:393734
Part#: HC/922
Ships in 5 Business Days
$ 129.00 USD
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$ 129.00 USD
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Multi hole steel seat bracket in compliance with FIA Appendix J art. 253. Updated design, minimum 16 different positions. Length: 400 mm Thickness: 3 mm

OMP Alluminum tall brackets - 36 holes | Black
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OMP - Corporate Logo
T#:393737
Part#: HC/925
Ships in 10 Business Days
$ 199.00 USD
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$ 199.00 USD
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Multi hole aluminium seat bracket in compliance with FIA Appendix J art. 253. Updated design, minimum 36 different positions. Length: 495 mm Thickness: 6 mm
Recaro Side Seat Mounts- FIA Approved
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Recaro - Corporate Logo
T#:338492
Part#: 7207XXXX
In Stock
Sale - Save 6% $ 295.00

This product was last offered at the strikethrough price on
05-03-2026

Starting at $ 277.99 USD
Free Shipping
Sale - Save 6%
$ 295.00

This product was last offered at the strikethrough price on
05-03-2026

Starting at $ 277.99 USD
Free Shipping
Racing and aftermarket seats require a mount to afix the seat to the chassis of the car. Most Recaro seats are 'side-mount' which means the brackets attach to the side of the seat and then turn 90 degrees to mount to the floor (or sliders). These are genuine Recaro side mounts that are FIA-certified for optimum safety and security. Many racing organizations require an FIA-approved mount. Sold as a pair with hardware included. Choose from standard steel or light weigt aluminum. Choose from Steel or aluminum above. We recommend aluminum to those who are trying to save weight in their build.
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Planted Seat Bracket - Driver / Left - Z4
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Planted Technology - Corporate Logo
T#:19924459
Part#: SB126DR
Ships in 7 Business Days
$ 199.00 USD
Free Shipping on orders $49 and up
High quality steel constructed seat bracket made right here in the USA! ​The Planted Seat Bracket is a vehicle specific bracket used as an adapter between the floor of the vehicle and an aftermarket seat and it's accessories. Because the floor of each vehicle varies and typically is not flat, a vehicle specific Seat Bracket is required for installing an aftermarket seat. Planted creates each seat bracket using the floor of the vehicle as a reference. Each vehicle is brought into our development center so we can create the best fitting, bolt in, universal seat bracket possible. Planted Seat Brackets are laser cut from 3/16 inch thick steel and hand welded to ensure weld penetration for superior strength. Each bracket is pre-slotted with hole patterns to accept sliders from most major seat manufacturers like Braum, Bride*, Cipher Auto, Cobra**, Corbeau, Momo, NRG, OMP, Racetech, Recaro, Sabelt, Sparco, Status Racing, Takata and more. There is extra space on the bracket for drilling your own hole pattern if using a slider with a less common hole pattern, or direct mounting a seat or side mount when eliminating sliders is preferred. They are finished with a black powder coat. *Bride sliders are generally made to be vehicle specific so need to have the "feet" removed to make them "universal." Bride sliders typically require drilling a new hole pattern into the Planted Seat Bracket because they come in many different widths. **Cobra sliders come in Narrow and Wide versions. The Wide version will require elongating one hole on each slider by 1/8 Inch. The Narrow version requires no modification. Each Planted Seat Bracket goes through three levels of quality control to ensure our high standards are met. All Planted Seat Brackets are hand welded in Bellevue, WA, USA. Seats come in many different shapes and sizes so not all seats will fit in all vehicles. It is up to the end user to determine if the seat will fit prior to ordering the Seat Bracket and other components. Many vehicles have the steering wheel offset toward the center of the vehicle. This can be accentuated when installing an aftermarket seat of a different size then the factory seat. Replacing a factory seat with an aftermarket seat may cause the vehicle's warning indicators to activate. This can be due to airbag, weight and/or other sensors in the factory seat that are not included in an aftermarket seat. It may be possible to eliminate these indicators with an electronic resistor but it is up to the end user to determine if a resistor will work & which resistor to use. Professional installation is recommended.
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Planted Seat Bracket - Passenger / Right - Z4
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Planted Technology - Corporate Logo
T#:19924461
Part#: SB126PA
Ships in 7 Business Days
$ 199.00 USD
Free Shipping on orders $49 and up
High quality steel constructed seat bracket made right here in the USA! ​The Planted Seat Bracket is a vehicle specific bracket used as an adapter between the floor of the vehicle and an aftermarket seat and it's accessories. Because the floor of each vehicle varies and typically is not flat, a vehicle specific Seat Bracket is required for installing an aftermarket seat. Planted creates each seat bracket using the floor of the vehicle as a reference. Each vehicle is brought into our development center so we can create the best fitting, bolt in, universal seat bracket possible. Planted Seat Brackets are laser cut from 3/16 inch thick steel and hand welded to ensure weld penetration for superior strength. Each bracket is pre-slotted with hole patterns to accept sliders from most major seat manufacturers like Braum, Bride*, Cipher Auto, Cobra**, Corbeau, Momo, NRG, OMP, Racetech, Recaro, Sabelt, Sparco, Status Racing, Takata and more. There is extra space on the bracket for drilling your own hole pattern if using a slider with a less common hole pattern, or direct mounting a seat or side mount when eliminating sliders is preferred. They are finished with a black powder coat. *Bride sliders are generally made to be vehicle specific so need to have the "feet" removed to make them "universal." Bride sliders typically require drilling a new hole pattern into the Planted Seat Bracket because they come in many different widths. **Cobra sliders come in Narrow and Wide versions. The Wide version will require elongating one hole on each slider by 1/8 Inch. The Narrow version requires no modification. Each Planted Seat Bracket goes through three levels of quality control to ensure our high standards are met. All Planted Seat Brackets are hand welded in Bellevue, WA, USA. Seats come in many different shapes and sizes so not all seats will fit in all vehicles. It is up to the end user to determine if the seat will fit prior to ordering the Seat Bracket and other components. Many vehicles have the steering wheel offset toward the center of the vehicle. This can be accentuated when installing an aftermarket seat of a different size then the factory seat. Replacing a factory seat with an aftermarket seat may cause the vehicle's warning indicators to activate. This can be due to airbag, weight and/or other sensors in the factory seat that are not included in an aftermarket seat. It may be possible to eliminate these indicators with an electronic resistor but it is up to the end user to determine if a resistor will work & which resistor to use. Professional installation is recommended.
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OMP Alluminum low brackets - 16 holes | Black
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OMP - Corporate Logo
T#:393736
Part#: HC/924
Ships in 10 Business Days
$ 179.00 USD
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$ 179.00 USD
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Multi hole aluminium seat bracket in compliance with FIA Appendix J art. 253. Updated design, minimum 16 different positions. Length: 400 mm Thickness: 6 mm
OMP Steel tall brackets | Black
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OMP - Corporate Logo
T#:393729
Part#: HC/731E
Ships in 10 Business Days
$ 95.00 USD
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$ 95.00 USD
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Steel brackets for side mounted seats. High model. 400 mm lenght x 3 mm thick


OMP Seat Sliding bracket
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OMP - Corporate Logo
T#:393727
Part#: HC/665
Ships on Jun 29, 2026
$ 99.00 USD
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$ 99.00 USD
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Sliding rail kit to be mounted between the seat mount and the seat.
Brey Krause R-9221 Seat mount - passenger
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Brey-Krause - Corporate Logo
T#:396554
Part#: R-9221
Special Order: No Guaranteed ETA
$ 236.99 USD
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$ 236.99 USD
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The R-922X line of seat mounts is the clean, simple, light weight, and strong way to attach your fixed back bucket seats directly to the floor of your BMW. They are made specifically to fit in a small number of chassis and work with a limit range of seat sizes to create a precise fit with maximum head room. 

R-9221 Features

  • Fits seats between 430mm to 460mm wide at the side mount mounting point
  • Uses factory sliders, power or manual 
  • 7lbs
  • 304 Stainless steel
  • Black wrinkle powder coat finish 
  • Includes provisions for fir extinguisher mount(R-2295)

*Note for use with power sliders BMW switch 61311381205 is needed*

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Brey Krause R-9222 Seat mount - Driver
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Brey-Krause - Corporate Logo
T#:396555
Part#: R-9222
Special Order: No Guaranteed ETA
$ 236.99 USD
Free Shipping
$ 236.99 USD
Free Shipping

The R-922X line of seat mounts is the clean, simple, light weight, and strong way to attach your fixed back bucket seats directly to the floor of your BMW. They are made specifically to fit in a small number of chassis and work with a limit range of seat sizes to create a precise fit with maximum head room. 

R-9222 Features

  • Fits seats between 365mm to 429mm wide at the side mount mounting point
  • Uses factory sliders, power or manual 
  • 7lbs
  • 304 Stainless steel
  • Black wrinkle powder coat finish 
  • Includes provisions for fir extinguisher mount(R-2295)

*Note for use with power sliders BMW switch 61311381205 is needed*

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Brey Krause R-9220 Seat mount - Driver
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Brey-Krause - Corporate Logo
T#:396553
Part#: R-9220
Special Order: No Guaranteed ETA
$ 236.99 USD
Free Shipping
$ 236.99 USD
Free Shipping

The R-922X line of seat mounts is the clean, simple, light weight, and strong way to attach your fixed back bucket seats directly to the floor of your BMW. They are made specifically to fit in a small number of chassis and work with a limit range of seat sizes to create a precise fit with maximum head room. 

R-9220 Features

  • Fits seats between 430mm to 460mm wide at the side mount mounting point
  • Uses factory sliders, power or manual 
  • 7lbs
  • 304 Stainless steel
  • Black wrinkle powder coat finish 
  • Includes provisions for fir extinguisher mount(R-2295)

*Note for use with power sliders BMW switch 61311381205 is needed*

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Brey Krause R-9223 Seat mount - Passenger
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Brey-Krause - Corporate Logo
T#:396556
Part#: R-9223
Special Order: No Guaranteed ETA
$ 236.99 USD
Free Shipping
$ 236.99 USD
Free Shipping

The R-922X line of seat mounts is the clean, simple, light weight, and strong way to attach your fixed back bucket seats directly to the floor of your BMW. They are made specifically to fit in a small number of chassis and work with a limit range of seat sizes to create a precise fit with maximum head room. 

R-9223 Features

  • Fits seats between 365mm to 429mm wide at the side mount mounting point
  • Uses factory sliders, power or manual 
  • 7lbs
  • 304 Stainless steel
  • Black wrinkle powder coat finish 
  • Includes provisions for fir extinguisher mount(R-2295)

*Note for use with power sliders BMW switch 61311381205 is needed*

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Brey Krause R-9246 Seat mount - Driver
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Brey-Krause - Corporate Logo
T#:402569
Part#: R-9246
Special Order: No Guaranteed ETA
$ 236.99 USD
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$ 236.99 USD
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The R-924X line of seat mounts is the clean, simple, light weight, and strong way to attach your reclining back or bottom mount seats to your factory seat sliders. They are made specifically to fit in a small number of chassis and work with a limit range of seat sizes to create a precise fit with maximum head room. 

R-924X Features

  • Fits many bottom mount seats from Recaro, Sparco and more
  • Uses factory sliders, power or manual 
  • light weight 
  • 304 Stainless steel
  • Black wrinkle powder coat finish 

    The R-924X line of seat mounts is the clean, simple, light weight, and strong way to attach your reclining back or bottom mount seats to your factory seat sliders. They are made specifically to fit in a small number of chassis and work with a limit range of seat sizes to create a precise fit with maximum head room. 

    R-924X Features

  • Fits many bottom mount seats from Recaro, Sparco and more
  • Uses factory sliders, power or manual 
  • light weight 
  • 304 Stainless steel
  • Black wrinkle powder coat finish 
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Brey Krause R-9247 Seat mount - Passenger
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Brey-Krause - Corporate Logo
T#:402568
Part#: R-9247
Special Order: No Guaranteed ETA
$ 236.99 USD
Free Shipping
$ 236.99 USD
Free Shipping

The R-924X line of seat mounts is the clean, simple, light weight, and strong way to attach your reclining back or bottom mount seats to your factory seat sliders. They are made specifically to fit in a small number of chassis and work with a limit range of seat sizes to create a precise fit with maximum head room. 

R-924X Features

  • Fits many bottom mount seats from Recaro, Sparco and more
  • Uses factory sliders, power or manual 
  • light weight 
  • 304 Stainless steel
  • Black wrinkle powder coat finish 
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Recaro Pro Racer SPA Flexible Adapter Mounts And Sliders
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Recaro - Corporate Logo
T#:385792
Part#: PRORACERFLEXADAP
Back Ordered
Starting at $ 845.00 USD
Starting at $ 845.00 USD
The Recaro Flexible Adaptor seat mounts are the most robust and stout slider mounts we have seen. The Flexible Adapter mounts are a reinforced side mount + slider assembly intended for pro endurance racing. These are the first FIA-certified seat sliders. They have extra reinforcing braces on the front and rear which takes away a lot of the lateral motion from traditional un-reinforced side mount brackets. As racecars see more lateral loading from high downforce and stickier tires the seat naturally wants to flex even more. This extra strength seat slider/mount combination is just the thing to keep you planted in place. Even the slider hand bar is overbuilt and bright red for to grab your attention. These have been designed by Recaro specifically for endurance races where driver changes need to be done in seconds.

This slider + mount system only works with the Recaro Pro Racer SPA/SPG seats. Choose from the standard size or XL version.
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Side Mounts - Macht Schnell for Recaro Seats
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Recaro - Corporate Logo
T#:338506
Part#: 79.20.110B
In Stock
Sale - Save 6% $ 295.00

This product was last offered at the strikethrough price on
05-03-2026

Starting at $ 277.99 USD
Free Shipping
Sale - Save 6%
$ 295.00

This product was last offered at the strikethrough price on
05-03-2026

Starting at $ 277.99 USD
Free Shipping
Racing and aftermarket seats require a mount to attach the seat to sliders or an adapter plate for the car. Most Recaro race seats are 'side-mount' which means the brackets attach to the side of the seat and then turn 90 degrees to mount to the floor (or sliders). These are made by Macht Schnell and made from steel for great strength and low cost. Sold as a pair to fit one seat. Fits the Recaro Pole Position, Profi, Profi XL, and Pro Racer seats. Note that these are not FIA approved. Choose from steel or aluminum above.
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Macht Schnell Clubsport Seat Mount - Right - E85/E86 Z4 & Z4M ...
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Macht Schnell - Corporate Logo
T#:29566599
Part#: 70.30.203
In Stock
$ 325.00

This product was last offered at the strikethrough price on
05-03-2026

$ 300.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
$ 325.00

This product was last offered at the strikethrough price on
05-03-2026

$ 300.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up

Achieve peak performance and effortless installation with this all-inclusive seating kit. Designed to provide everything you need—mounting brackets, seat sliders, and adjustment mechanisms—this kit combines lightweight construction with exceptional durability. Installation is straightforward, featuring integrated locking stops for quick, single-tool adjustments.

Reversible and modification-free, this seat kit delivers convenience and precision, perfect for discerning racers. Available as a single unit.

Features:

High-Strength Construction: Fabricated from a single 1/8” laser-cut carbon steel piece, ensuring unparalleled stability and zero play. SmoothGlide Seat Sliders: Comes with ergonomic adjustment handles for easy customization. Factory Fit: Mounts directly to factory bolt locations for an impeccable fit. Multi-Way Adjustability: Allows for precise centering and alignment. Belt Compatibility: Includes 5 & 6 point sub-belt mounting locations for enhanced safety. Easy Adjustments: Single-tool adjustments with integrated bottom-locking hardware. Durable Hardware: Includes 10.9 Grade high-strength bolts. Powder-Coated Finish: Base and side mounts are powder-coated for increased durability and aesthetic appeal. Convenient Spacers: Nylon side mount spacers are included for added ease during installation. Upgrade your race shell with this premium, turnkey seating kit and experience the perfect blend of performance and ease.

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OMP Universal brackets | Silver
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OMP - Corporate Logo
T#:393728
Part#: HC/666
Ships in 10 Business Days
$ 119.00 USD
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$ 119.00 USD
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Universal aluminium brackets for seats with side attachments for Renault R5 >72<84
Macht Schnell Clubsport Seat Mount - Left - E85/E86 Z4 & Z4M ...
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Macht Schnell - Corporate Logo
T#:29566598
Part#: 70.30.202
Back Ordered
$ 345.00 USD
Free Shipping on orders $49 and up

Achieve peak performance and effortless installation with this all-inclusive seating kit. Designed to provide everything you need—mounting brackets, seat sliders, and adjustment mechanisms—this kit combines lightweight construction with exceptional durability. Installation is straightforward, featuring integrated locking stops for quick, single-tool adjustments.

Reversible and modification-free, this seat kit delivers convenience and precision, perfect for discerning racers. Available as a single unit.

Features:

High-Strength Construction: Fabricated from a single 1/8” laser-cut carbon steel piece, ensuring unparalleled stability and zero play. SmoothGlide Seat Sliders: Comes with ergonomic adjustment handles for easy customization. Factory Fit: Mounts directly to factory bolt locations for an impeccable fit. Multi-Way Adjustability: Allows for precise centering and alignment. Belt Compatibility: Includes 5 & 6 point sub-belt mounting locations for enhanced safety. Easy Adjustments: Single-tool adjustments with integrated bottom-locking hardware. Durable Hardware: Includes 10.9 Grade high-strength bolts. Powder-Coated Finish: Base and side mounts are powder-coated for increased durability and aesthetic appeal. Convenient Spacers: Nylon side mount spacers are included for added ease during installation. Upgrade your race shell with this premium, turnkey seating kit and experience the perfect blend of performance and ease.

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