BMW Seats & Seat Accessories for BMW 3 Series E46 (1999-2005)

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Whether you're building a track-only speed machine, show car, or ultra-serious street ride the seats can make an awesome upgrade. Aside from the obvious safety considerations with a seat, there are few upgrades that can have more of an impact in your driving experience. Sport or Race seats envelope and grip the driver's body, holding him/her in place even under extreme driving situations. When strapped into a seat with the appropriate harnesses you can become an integrated part of the car. Without the sliding around of stock seats you can have greater confidance and focus on the act of driving. Turner Motorsport is an authorized Recaro dealer and we use them in all of our racecars and high-level tuner project cars. We offer the full range of Recaro tuner and racing seats with mounts and adapters and other accessories.

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Macht Schnell - Corporate Logo
T#:300563
Part#: 79.10.101B
Ships on Oct 12, 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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Spec-D Tuning - Corporate Logo
T#:6491872
Part#: BKTE46992
In Stock
$ 104.99 USD
Free Shipping on orders $49 and up
Comes with 1 pair of racing seat brackets (driver & passenger sides) and made of high-quality light weight durable steel
OMP - Corporate Logo
T#:393794
Part#: HB/699
Ships in 5 Business Days
$ 69.00 USD
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$ 69.00 USD
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This cushion designed specifically for the WRC and HRC racing seats is a simple addition that adds safety, comfort, and support. It attaches with just two straps to the top of the racing seat and is covered in the same velour fabric as the racing seat itself. A white OMP logo is embroidered in the top half of the cushion to match the design of the seat.
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Macht Schnell - Corporate Logo
T#:16907170
Part#: 70.10.201
In Stock
$ 325.00 USD
Free Shipping on orders $49 and up

Performance Seat Mounting Kit

Revamp your racing seat setup with this comprehensive mounting kit, designed for precision, adjustability, and durability. Here are the key features:

  • Crafted from a single piece of 1/8” carbon steel for precise construction
  • SmoothGlide seat sliders with adjustment handle included
  • Installs onto factory bolt locations for precise fitment
  • Multiple adjustment options for precise centering
  • Offers 5 & 6 point sub belt mounting locations
  • Single-tool adjustments facilitated by bottom locking hardware
  • Utilizes high-grade 10.9 hardware for optimal strength
  • Powder-coated finish on base and side mounts for durability
  • Includes nylon side mount spacers for enhanced stability

Upgrade your racing setup with this top-notch mounting kit, available in standard and wide widths.

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Spec-D Tuning - Corporate Logo
T#:14684337
Part#: BKT-E46992
In Stock
$ 104.99 USD
Free Shipping on orders $49 and up
Brand new in original box Comes with 1 pair of racing seat brackets (driver & passenger sides) Made of high quality light weight durable steel Dimension: 14" x 19" Fits with all 4-Point / 5-Point / 6-Point aftermarket seat belts No modifications are needed
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OMP - Corporate Logo
T#:393787
Part#: HB/692
Ships on Sep 21, 2026
$ 65.00 USD
Free Shipping on orders $49 and up
If additional lower back support is needed for those extra long days in the racing seat, OMP offers the Racing Seat Lumbar Cushion. Measuring in at 10" by 5" by 2", it is fastened to the velour fabric of the seat with Velcro strips, it can be adjusted to exactly where you need it. The pad itself is covered with the same velour flame-retardant material as the seat and is embroidered with an OMP logo.
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OMP - Corporate Logo
T#:393735
Part#: HC/923
Ships on Oct 12, 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 - Corporate Logo
T#:393789
Part#: HB/695
Ships in 5 Business Days
$ 85.00 USD
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$ 85.00 USD
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Racing seats can become uncomfortable as the thin padding of the seat begins to compress. If you're planning on sitting in the seat for any extended periods of time, a base cushion is the perfect addition. This OMP seat cushion is 1.5" of firm, but comfortable and supportive, foam that attaches to the velour seat fabric using Velcro strips. The seat cushion is covered in black velour fabric that is flame-retardant and has an OMP logo embroidered in the center. The cushion is 13" long and 11" wide.
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OMP - Corporate Logo
T#:393734
Part#: HC/922
Ships in 6 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 - Corporate Logo
T#:393737
Part#: HC/925
Ships on Sep 16, 2026
$ 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
OMP - Corporate Logo
T#:393727
Part#: HC/665
Ships on Sep 23, 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.
OMP - Corporate Logo
T#:393730
Part#: HC/733E
Ships on Sep 16, 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.


Schroth - Corporate Logo
T#:378718
Part#: SR16640
Ships in 4 Business Days
$ 389.00 USD
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$ 389.00 USD
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Schroth's Quick Fit Harness is an excellent solution for those who track their daily driver. The Quick Fit Harness anchors to factory points that are loaded tested to withstand a 3,000 lb force for 6 seconds, relieving worry about ripping out sheet metal. The harness also features ASM technology to keep the lap belt low and your rear end firmly planted in the seat, keeping the lap belt from riding up and squeezing on your stomach. The harness belts take full advantage of the factory seat belt pre-tensioner, a device that tightens the belt 1"-2" in the event of an accident. The airbags will deploy as the factory engineers intended for drivers and passengers that are buckled in properly. With any other harness, the vehicle wouldn't be able to detect that someone is buckled in, causing the airbags to deploy faster and harder. The Quick Fit Harness can be completely removed from the vehicle, giving you full use of your daily driver for carrying passengers or cargo. The Quick Fit Harness is DOT FMVSS 209 Approved
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Schroth - Corporate Logo
T#:378714
Part#: SR16140
Ships in 3 Business Days
$ 389.00 USD
Free Shipping
$ 389.00 USD
Free Shipping
Schroth's Quick Fit Harness is an excellent solution for those who track their daily driver. The Quick Fit Harness anchors to factory points that are loaded tested to withstand a 3,000 lb force for 6 seconds, relieving worry about ripping out sheet metal. The harness also features ASM technology to keep the lap belt low and your rear end firmly planted in the seat, keeping the lap belt from riding up and squeezing on your stomach. The harness belts take full advantage of the factory seat belt pre-tensioner, a device that tightens the belt 1"-2" in the event of an accident. The airbags will deploy as the factory engineers intended for drivers and passengers that are buckled in properly. With any other harness, the vehicle wouldn't be able to detect that someone is buckled in, causing the airbags to deploy faster and harder. The Quick Fit Harness can be completely removed from the vehicle, giving you full use of your daily driver for carrying passengers or cargo. The Quick Fit Harness is DOT FMVSS 209 Approved
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OMP - Corporate Logo
T#:393788
Part#: HB/693
Ships on Sep 16, 2026
$ 85.00 USD
Free Shipping
$ 85.00 USD
Free Shipping
If additional leg support is needed for those extra long days in the racing seat, OMP offers the Racing Seat Leg Cushion. Measuring in at 13" by 8.5" by 3.5", it is fastened to the velour fabric of the seat with Velcro strips. The pad itself is covered with the same velour flame-retardant material as the seat and is embroidered with an OMP logo.
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OMP - Corporate Logo
T#:393736
Part#: HC/924
Back Ordered
$ 179.00 USD
Free Shipping
$ 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 - Corporate Logo
T#:399642
Part#: HC/121/DR
Ships on Sep 16, 2026
$ 185.00 USD
Free Shipping
$ 185.00 USD
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This OMP racing seat mounting bracket is made to specifically to secure a racing seat in your E46 Sedan. Using stock mounting points, it eliminates the need to weld or modify your floor in any way. Using stock mounting positions is also safer in that they are proven to hold up by the manufacturer in crash tests when the car is designed. Poorly mounted brackets could cause thin metal to tear, split, or buckle if not properly reinforced, leading directly to injury in critical situations.

Today OMP Racing is one of the world's leading manufacturers of racing safety equipment and tuning accessories with a catalog of over 3,000 different items. Operating from a technologically advanced 80,000 sqft facility in Italy, OMP products are renowned for its quality, the meticulous attention to details that is constantly challenged by setting higher standards.

Fits:
1999-2005 BMW E46 Sedan

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OMP - Corporate Logo
T#:393774
Part#: HC/121
Ships on Sep 16, 2026
$ 185.00 USD
Free Shipping
$ 185.00 USD
Free Shipping

This OMP racing seat mounting bracket is made to specifically to secure a racing seat in your E46 Sedan. Using stock mounting points, it eliminates the need to weld or modify your floor in any way. Using stock mounting positions is also safer in that they are proven to hold up by the manufacturer in crash tests when the car is designed. Poorly mounted brackets could cause thin metal to tear, split, or buckle if not properly reinforced, leading directly to injury in critical situations.

Today OMP Racing is one of the world's leading manufacturers of racing safety equipment and tuning accessories with a catalog of over 3,000 different items. Operating from a technologically advanced 80,000 sqft facility in Italy, OMP products are renowned for its quality, the meticulous attention to details that is constantly challenged by setting higher standards.

Fits:
1999-2005 BMW E46 Sedan

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OMP - Corporate Logo
T#:393714
Part#: HA/762E
Ships on Sep 16, 2026
$ 849.00 USD
Free Shipping
$ 849.00 USD
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This is an OMP performance RS-PT2 Fiberglass racing seat. The seat internal frame is fiberglass and the entire seat upholstery is velour material. Fiberglass gives strength and light weight and the velour adds to the comfort of the seat. The main backrest pads and leg pad are both exchangeable with different sized pads for a more custom fit. The large shoulder harness slots allow for a variety of driver heights.

Today OMP Racing is one of the world's leading manufacturers of racing safety equipment and tuning accessories with a catalog of over 3,000 different items. Operating from a technologically advanced 80,000 sqft facility in Italy, OMP products are renowned for its quality, the meticulous attention to details that is constantly challenged by setting higher standards.

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OMP - Corporate Logo
T#:400833
Part#: HC/007/PA
Ships on Sep 16, 2026
$ 185.00 USD
Free Shipping
$ 185.00 USD
Free Shipping

This OMP racing seat mounting bracket is made to specifically to secure a racing seat in your E46 coupe. Using stock mounting points, it eliminates the need to weld or modify your floor in any way. Using stock mounting positions is also safer in that they are proven to hold up by the manufacturer in crash tests when the car is designed. Poorly mounted brackets could cause thin metal to tear, split, or buckle if not properly reinforced, leading directly to injury in critical situations.

Today OMP Racing is one of the world's leading manufacturers of racing safety equipment and tuning accessories with a catalog of over 3,000 different items. Operating from a technologically advanced 80,000 sqft facility in Italy, OMP products are renowned for its quality, the meticulous attention to details that is constantly challenged by setting higher standards.

Fits:
1999-2005 BMW E46 Coupe

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OMP - Corporate Logo
T#:399643
Part#: HC/121/PA
Ships on Sep 16, 2026
$ 185.00 USD
Free Shipping
$ 185.00 USD
Free Shipping

This OMP racing seat mounting bracket is made to specifically to secure a racing seat in your E46 Sedan. Using stock mounting points, it eliminates the need to weld or modify your floor in any way. Using stock mounting positions is also safer in that they are proven to hold up by the manufacturer in crash tests when the car is designed. Poorly mounted brackets could cause thin metal to tear, split, or buckle if not properly reinforced, leading directly to injury in critical situations.

Today OMP Racing is one of the world's leading manufacturers of racing safety equipment and tuning accessories with a catalog of over 3,000 different items. Operating from a technologically advanced 80,000 sqft facility in Italy, OMP products are renowned for its quality, the meticulous attention to details that is constantly challenged by setting higher standards.

Fits:
1999-2005 BMW E46 Sedan

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OMP - Corporate Logo
T#:393729
Part#: HC/731E
Ships on Sep 16, 2026
$ 95.00 USD
Free Shipping
$ 95.00 USD
Free Shipping
Steel brackets for side mounted seats. High model. 400 mm lenght x 3 mm thick
OMP - Corporate Logo
T#:393773
Part#: HC/007
Ships on Sep 16, 2026
$ 185.00 USD
Free Shipping
$ 185.00 USD
Free Shipping

This OMP racing seat mounting bracket is made to specifically to secure a racing seat in your E46 coupe. Using stock mounting points, it eliminates the need to weld or modify your floor in any way. Using stock mounting positions is also safer in that they are proven to hold up by the manufacturer in crash tests when the car is designed. Poorly mounted brackets could cause thin metal to tear, split, or buckle if not properly reinforced, leading directly to injury in critical situations.

Today OMP Racing is one of the world's leading manufacturers of racing safety equipment and tuning accessories with a catalog of over 3,000 different items. Operating from a technologically advanced 80,000 sqft facility in Italy, OMP products are renowned for its quality, the meticulous attention to details that is constantly challenged by setting higher standards.

Fits:
1999-2005 BMW E46 Coupe

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OMP - Corporate Logo
T#:393785
Part#: HB/662
Special Order: No Guaranteed ETA
$ 75.00 USD
Free Shipping on orders $49 and up
If additional lower back support is needed for those extra long days in the racing seat, OMP offers the Racing Seat Lumbar Cushion. Measuring in at 10" by 8" by 3", it is fastened to the velour fabric of the seat with Velcro strips, it can be adjusted to exactly where you need it. The pad itself is covered with the same velour flame-retardant material as the seat and is embroidered with an OMP logo.
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Macht Schnell - Corporate Logo
T#:16907172
Part#: 70.10.202
Special Order: No Guaranteed ETA
$ 325.00 USD
Free Shipping on orders $49 and up
Comes complete with mounting brackets, sliders, and adjustment mechanisms. Lightweight, strong and simple to install. Integrated locking stops for hardware provide single-tool adjustments. No modifications required for installation and fully reversible at any time. Available in standard (most race shells) and wide widths. Sold individually. Features: - Precision laser cut & formed from single piece of 1/8” carbon steel, allowing zero play. - SmoothGlide seat sliders included with adjustment handle - Mounts to factory bolt locations with precise factory fitment - Multi-way adjustability for precise centering - 5 & 6 point sub belt mounting locations - Single tool adjustments with bottom locking hardware - 10.9 Grade Hardware - Powdercoated base and side mounts - Nylon side mount spacers
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Schroth - Corporate Logo
T#:378721
Part#: SR16649
Ships in 4 Business Days
$ 389.00 USD
Free Shipping on orders $49 and up
Schroth's Quick Fit Harness is an excellent solution for those who track their daily driver. The Quick Fit Harness anchors to factory points that are loaded tested to withstand a 3,000 lb force for 6 seconds, relieving worry about ripping out sheet metal.
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Schroth - Corporate Logo
T#:378717
Part#: SR16149
Ships in 4 Business Days
$ 389.00 USD
Free Shipping
$ 389.00 USD
Free Shipping

There are many benefits to installing harnesses in your E46 -

  • maintain a proper driving position
  • keep you planted in the seat and not bracing with your left leg or shoulder
  • lower lap times thanks to improved driver confidence
  • advanced technology is safer than standard 3-point belts
  • Schroth Quick-Fit harness integrates with standard tensioner and airbag logic
  • Quick Fit Pro tested and approved with HANS device

It's hard to put into words just how effective harnesses are in improving your driving experience. In addition to the obvious safety benefits, harnesses make you a better driver by removing distractions so your hands and feet are used for car control instead of bracing against a door panel or dead pedal. Everyone with harnesses will agree: they are a must-have upgrade to your driving experience and they wish they had installed them sooner.

The Schroth Quick Fit Pro tuning harnesses are the most advanced 4-point safety belt on the market. They are perfect for daily street or dual-duty street-track use. Quick Fit Pro harnesses mount with the existing female belt receptacles and the reinforced seat belt anchor points in the chassis. By using the standard receptacles the vehicle's SRS system remains active, adjusting airbag deployment and tensioner response accordingly. Other harnesses that do not clip into the stock belt recepacles may not integrate with the SRS with potentially harmful results. On factory BMW systems the SRS also employs a pyrotechnic charge that automatically tightens the belt in anticipation of a crash. All Schroth harnesses feature their asm technology that prevents your body from sliding under the lap belt and redces head and chest deceleration forces. Schroth has revolutionized the racing and tuning harness industry which is why you will find their safety belts on everything from rally cars to military helicopters.

Quick Fit and Quick Fit Pro harnesses are vehicle-specific with the correct anchor points and seat belt clips included. The main harness is easily un-clipped and removed from the car with almost no trace left behind. Quick Fit and Quick Fit Pro use different latch types with the Pro being compatible with a HANS device and a slightly better and safer overall design. All Schroth Quick Fit harnesses are TUV approved and meet US DOT seatbelt regulations.

Optional: Schroth Grips. Schroth harness grips slide into the ends of your Schroth harnesses and give your fingers something to lock onto when tightening the harness. Otherwise, your hand - or glove - has to yank on the end of the strap which might be slippery. Sold per harness for both shoulder and both lap belts (4 Grips total).

Seat Compatability: Schroth approves this harness only for stock seats or seats that have passed independent crash testing. The seat design must have a separate headrest and backrest. Single piece headrest and backrest (e.g. - F8X M3/M4 seats, Porsche 911 seats) are not approved because the shoulder straps fall to the sides and will not secure the driver properly. Observe all guidelines and instructions for installation and fitment.

QuickFit Pro Harness Summary:

  • Suggested Use:  track, autocross, daily driver
  • Shoulder Belt:  2" pull down
  • Lap Belt:  2" pull down
  • Buckle:  FE cam lock push button
  • Installation:  click in/click out with stock receptacles; partial permanent bolt-in
  • Seat Compatability:  approved only for stock seats
  • HANS compatible?  Yes.

 

When using any racing harness in any environment - even normal street use - adhere to this advice: "all the way tight, all of the time". Never loosen or slacken the belts for comfort or convenience! A loose racing harness will not protect you.

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Macht Schnell - Corporate Logo
T#:338507
Part#: 79.20.150K
Ships on Sep 25, 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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OMP - Corporate Logo
T#:393728
Part#: HC/666
Ships on Sep 16, 2026
$ 119.00 USD
Free Shipping
$ 119.00 USD
Free Shipping
Universal aluminium brackets for seats with side attachments for Renault R5 >72<84