BMW Interior Parts for BMW Z4 M Roadster S54 (2003-2008)

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The interior of your BMW is where you will hopefully spend most of your time, so it should be ergonomic, comfortable, and safe. All interior components, from OEM replacement switches, trim, or steering wheels, to aftermarket upgrades like racing wheels, safety equipment, and racing seats, are available at Turner Motorsport.

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Seat Floor Adapters - E36, E46, E85 - Macht Schnell
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Macht Schnell - Corporate Logo
T#:300563
Part#: 79.10.101B
Ships on Aug 7, 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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Mishimoto Non-Threaded Shift Knob Adapter - Black
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Mishimoto - Corporate Logo
T#:18634036
Part#: MMSK-ADAP-BMW-BK
In Stock
$ 24.99 USD
Free Shipping on orders $49 and up
Introducing the ultimate shift knob accessory for manual BMW gearboxes: the Mishimoto non-threaded shifter adapter. Made from aircraft-grade aluminum, this universal adapter is the perfect addition to your BMW. Our BMW shift knob adapter features a threaded male side that accepts our existing universal shift knobs and a female side that locks onto the BMW shift rod with stainless-steel set screws, giving you the freedom to customize your car's interior with ease. The adapter comes in two sleek finishes - black and silver anodize - to match any aesthetic. The included set screws come with threadlocker pre-applied for a secure fit while the included allen key, and small zip tie hold your shift boot up to make installation is a breeze. Upgrade your driving experience with our non-threaded shifter adapter by Mishimoto. As with all our products, the Mishimoto non-threaded shifter adapter is backed by our Mishimoto Lifetime Warranty. Adapts Mishimoto Shift Knobs to BMW vehicles with non-threaded shifters Crafted from CNC-Machined 6061 Aluminum Includes stainless-steel set screws with pre-applied threadlocker Shift boot retaining ring for a sleek and seamless look Simple installation with all tools included Available in anodized black Mishimoto Lifetime Warranty Includes: (1) Mishimoto Shift Knob Adapter (4) Set Screws (1) Allen Key (1) Plastic Zip Tie Mishimoto Lifetime Warranty
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Bremmen Hazard & Central Locking Switch - E46, E53, Z4
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Bremmen Parts - Corporate Logo
T#:639950
Part#: 61318368920
In Stock
Sale - Save 21% $ 37.99

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

$ 30.18 USD
Free Shipping on orders $49 and up
Sale - Save 21%
$ 37.99

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

$ 30.18 USD
Free Shipping on orders $49 and up
This is the center console mounted hazard light switch / central locking switch.

BMW Performance Weighted Shift Knob
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Bremmen Parts - Corporate Logo
T#:28138183
Part#: BRMSHIFTKNOB
In Stock
Starting at $ 42.49 USD
Free Shipping on orders $49 and up
Starting at $ 42.49 USD
Free Shipping on orders $49 and up

BMW Performance Weighted Shift Knob

Looking to enhance the driving experience of your BMW with a performance shift knob? The BMW Performance Weighted Shift Knob is the perfect choice. This shift knob is designed to improve shifting precision and overall feel, giving your BMW a sportier and more responsive drive. Crafted with high-quality materials and precision engineering, it offers the following benefits:

  • Enhances shifting precision and overall feel
  • Gives your BMW a sportier and more responsive drive
  • Crafted with high-quality materials for durability
  • Easy installation process for hassle-free setup
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Mishimoto Non-Threaded Shift Knob Adapter - Silver
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Mishimoto - Corporate Logo
T#:18634037
Part#: MMSK-ADAP-BMW-SL
In Stock
$ 24.99 USD
Free Shipping on orders $49 and up
Introducing the ultimate shift knob accessory for manual BMW gearboxes: the Mishimoto non-threaded shifter adapter. Made from aircraft-grade aluminum, this universal adapter is the perfect addition to your BMW. Our BMW shift knob adapter features a threaded male side that accepts our existing universal shift knobs and a female side that locks onto the BMW shift rod with stainless-steel set screws, giving you the freedom to customize your car's interior with ease. The adapter comes in two sleek finishes - black and silver anodize - to match any aesthetic. The included set screws come with threadlocker pre-applied for a secure fit while the included allen key, and small zip tie hold your shift boot up to make installation is a breeze. Upgrade your driving experience with our non-threaded shifter adapter by Mishimoto. As with all our products, the Mishimoto non-threaded shifter adapter is backed by our Mishimoto Lifetime Warranty. Adapts Mishimoto Shift Knobs to BMW vehicles with non-threaded shifters Crafted from CNC-Machined 6061 Aluminum Includes stainless-steel set screws with pre-applied threadlocker Shift boot retaining ring for a sleek and seamless look Simple installation with all tools included Available in anodized silver Mishimoto Lifetime Warranty Includes: (1) Mishimoto Shift Knob Adapter (4) Set Screws (1) Allen Key (1) Plastic Zip Tie Mishimoto Lifetime Warranty
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UV Sunshades - Windshield - Gold
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Bavarian Autosport - Corporate Logo
T#:34784545
Part#: 895-GOLD
Ships in 3 Business Days
Sale - Save 3% $ 54.99

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

$ 53.34 USD
Free Shipping on orders $49 and up
Sale - Save 3%
$ 54.99

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

$ 53.34 USD
Free Shipping on orders $49 and up

Bavarian Autosport sunshades are custom-fit for every model. Constructed of a flexible and reflective material, these sunshades make for an ideal solution to your hot interior on a summer day. They also protect your interior from harmful UV rays, keeping your interior in showroom fresh condition for years to come.

This product is designed to fit the vehicle's windshield. It is gold in color.

When parked in the sun, expect an average cabin temperature difference of 25˚F (as much as 40˚F have been measured with sunshades on all windows). This makes a big difference in protecting your interior from UV rays and preventing your seats from getting hot.

From 1974 to 2019, Bavarian Autosport was one of the premier vendors of BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Seatbelt 4-point Race Harness Receptacles - Macht Schnell
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Macht Schnell - Corporate Logo
T#:338505
Part#: 79.12.15X
Ships on Jul 30, 2026
Starting at $ 125.00 USD
Free Shipping
Starting at $ 125.00 USD
Free Shipping
If you're going to use a 4 point racing harness with your racing or sport seat and don't want to drill through your floor and carpet, these harness adapter plates are perfect*. These sandwich in between your slider and seat bracket for a strong and secure mounting point. They are made from high-strength steel and powedercoated in stealthy black. Choose from a bolt-in or clip-in style harness end. These will only work with the Macht Schnell floor mounts.

* - note that most racing harness manufacturers will advise that drilling through the floor is the best method for mounting harnesses. This allows you to locate the mount in the ideal location and angle to fit your driving position. The proper installation is paramount to ensure the harness works correctly in an impact.

Sold per seat.

This item fits the following BMWs:
2008-2012 E82 BMW 128i 135i 1M Coupe
1992-1998 E36 BMW 318i 318is 318ti 323is 325i 325is 328i 328is M3
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi M3 (not convertibles)
2006-2011 E90 BMW 325i 325xi 328i 328xi 328i xDrive 330i 330xi 335d 335i 335xi 335i xDrive M3 - Sedan
2006-2012 E91 BMW 325xi 328i 328xi 328i xDrive - Wagon
2007-2013 E92 BMW 328i 328xi 328i xDrive 335i 335is 335xi 335i xDrive M3 - Coupe
2003-2008 E85 BMW Z4 2.5i Z4 3.0i Z4 3.0si Z4 M Roadster M Coupe
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Bremmen Steering Column Switch - E38 E39 E46 E53 E83 Z4
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Bremmen Parts - Corporate Logo
T#:639949
Part#: 61318379091
Ships on Aug 21, 2026
Sale - Save 11% $ 114.99

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

$ 102.81 USD
Free Shipping
Sale - Save 11%
$ 114.99

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

$ 102.81 USD
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Controls the functions of the steering wheel on models with the Multi-function steering wheel. Also includes the clock spring mechanism.

7" Cable Tie - Priced Each
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Bremmen Parts - Corporate Logo
T#:594384
Part#: KTI78070
In Stock
Sale - Save 75% $ 3.99

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

$ 0.99 USD
Free Shipping on orders $49 and up
Sale - Save 75%
$ 3.99

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

$ 0.99 USD
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A 7" Cable Tie – a vital instrument for upholding impeccable cable organization. These cable ties excel in the secure bundling and management of cables of varying sizes within your vehicle. Whether you're working with the wiring in your car's engine compartment or streamlining electronic components for a harmonious in-car journey, our 7-inch Cable Ties present a direct answer to maintaining order. These ties guarantee easy installation and an unwavering hold, eradicating cable chaos and contributing to various automotive tasks!
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Bavarian Autosport Cup Holder Coaster Inserts
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Bavarian Autosport - Corporate Logo
T#:580722
Part#: COASTER1
In Stock
Sale - Save 20% $ 3.99

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

$ 3.19 USD
Free Shipping on orders $49 and up
Sale - Save 20%
$ 3.99

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

$ 3.19 USD
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Save your clothing and interior from drips, spills, and stains!
Bremmen Door Sill Trim Retaining Clip - Multiple BMWs - 25 Pack ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Bremmen Parts - Corporate Logo
T#:640108
Part#: 51471840960
In Stock
Sale - Save 26% $ 6.99

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

$ 5.19 USD
Free Shipping on orders $49 and up
Sale - Save 26%
$ 6.99

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

$ 5.19 USD
Free Shipping on orders $49 and up
Fastens your door sill strip to the door sill. These plastic clips often break after years of changing temperature and becoming brittle
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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Seatbelt 6-point Race Harness Receptacles - Macht Schnell
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Macht Schnell - Corporate Logo
T#:338507
Part#: 79.20.150K
Ships on Jul 30, 2026
Starting at $ 174.00 USD
Free Shipping
Starting at $ 174.00 USD
Free Shipping
Many racing series and event organizers are requiring 5 or 6-point harnesses in their events now. Attaching the anchor points to the seat base is a desired alternative to drilling holes in your floor and carpet*. This set includes the 6-point anchor to attach to the Macht Schnell floor mount as well as side attachments for either a bolt-in or snap-in harness.

* - note that most racing harness manufacturers will advise that drilling through the floor is the best method for mounting harnesses. This allows you to locate the mount in the ideal location and angle to fit your driving position. The proper installation is paramount to ensure the harness works correctly in an impact.

Sold per seat.

This item fits the following BMWs:
2008-2012 E82 BMW 128i 135i 1M Coupe
1992-1998 E36 BMW 318i 318is 318ti 323is 325i 325is 328i 328is M3
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi M3 (not convertibles)
2006-2011 E90 BMW 325i 325xi 328i 328xi 328i xDrive 330i 330xi 335d 335i 335xi 335i xDrive M3 - Sedan
2006-2012 E91 BMW 325xi 328i 328xi 328i xDrive - Wagon
2007-2013 E92 BMW 328i 328xi 328i xDrive 335i 335is 335xi 335i xDrive M3 - Coupe
2003-2008 E85 BMW Z4 2.5i Z4 3.0i Z4 3.0si Z4 M Roadster M Coupe
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Bavarian Autosport Turn Signal Stalk - E46, E39, E39, E53, E83, Z4 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with OBC (on-board computer)
Bremmen Parts - Corporate Logo
T#:579863
Part#: 54364
Ships on Oct 23, 2026
Sale - Save 10% $ 71.99

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

$ 64.79 USD
Free Shipping on orders $49 and up
Sale - Save 10%
$ 71.99

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

$ 64.79 USD
Free Shipping on orders $49 and up
Easy fix for a common failure. Over time, the wiring for the OBC button breaks down and becomes inoperable. If you can't access your on-board computer, this replacement from Bavarian Autosport is sure to get it working again.
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Macht Schnell Clubsport Seat Mount - Left - E85/E86 Z4 & Z4M ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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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