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BMW Chassis Reinforcement Kits & Parts

Made in the USAAs much of an "Ultimate Driving Machine" it is, many BMW models unfortunately suffer from weak points in the chassis. Over the years we have uncovered many weak or failure-prone areas in the chassis and have developed our own reinforcing solutions for them. And we continue to be the leading experts on BMW chassis reinforcing. Failures can come from a number, or combination, of causes: improper maintenance, age and mileage, poor design, environmental factors, poor repair work, and over-stressing modifications. The longer you let your car go without repairing or reinforcing these areas, the closer it gets to crumbling apart. Our chassis reinforcement kits are designed to first identify potential weak points and then strengthen and reinforce the existing design.

Most of our kits are not labor intensive although welding is usually required. If you suspect your chassis may have structural problems we recommend taking it to a well-known bodyshop or restoration shop. (find out who your local BMW dealer uses - we sell many of our kits to dealer-authorized repair shops). Making the preventative fix simple and effective is better than a long and complicated repair after the failure. Our kits are not usually used for fixing existing damage (only your body shop can determine the correct course of action). But our kits have been proven under extreme conditions on racetracks around the world to prevent many of the costly - and dangerous - chassis problems.

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MINI R53 M7 Strut Reinforcement Plates 53-510101
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M7 Speed - Corporate Logo
T#:599900
Part#: 53-5M7101
In Stock
$ 140.99 USD
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$ 140.99 USD
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M7 Strut Reinforcement Plates 53-510101 are the ultimate solution for MINI owners facing the common issue of strut tower mushrooming caused by heavy impacts from shocks and low aspect ratio tires. Over time, MINI's shock towers can develop a convex shape, disrupting suspension alignment and leading to a noticeable pull to one side. The M7 Strut Reinforcement Plates (SRPs) address this problem by reinforcing the sheet metal and shock top plate, creating a durable surface that resists bending, even during hard impacts.

Designed specifically for the R50 Base Model Cooper, the R52 Convertible, and the R53 Cooper S, these SRPs are an essential upgrade for any MINI enthusiast. Constructed from CNC machined billet aluminum and black anodized for durability, the 1/2" (13mm) thick plates cover the entire surface of the strut tower, distributing loads evenly and providing peace of mind.

Whether you drive your MINI daily or push it to the limits on the track, M7 Strut Reinforcement Plates offer a cost-effective preventative measure against expensive suspension repairs. Easy to install in less than 20 minutes, the SRPs use the stock nuts for mounting and come with instructions that also guide you through fixing existing mushrooming.

  • Prevents strut tower mushrooming
  • Constructed from CNC machined billet aluminum
  • Black anodized for long-lasting durability
  • Covers the entire strut tower surface
  • Designed for R50, R52, and R53 MINI models
  • Easy installation with stock nuts
  • Made in the USA
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Genuine BMW Eccentric Bolt M12X1,5X82-10.9 - 33326863853 - E36,E46 ...
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Genuine BMW - Corporate Logo
T#:179943
Part#: 33326863853
In Stock
3% off MSRP $ 32.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 31.99 USD
Free Shipping on orders $49 and up
3% off MSRP
$ 32.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 31.99 USD
Free Shipping on orders $49 and up


Genuine BMW Eccentric Bolt - M12X1,5X82-10.9
This item fits the following BMW Chassis:
E36 M3,E46 M3,E36,E46

ECS Strut Tower Plate Kit - Black
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ECS - Corporate Logo
T#:593980
Part#: 001717ECS01
In Stock
$ 193.99 USD
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$ 193.99 USD
Free Shipping

Condor Speed Shop Rear Trailing Arm Pocket Reinforcement Plates - E36...
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Condor Speed Shop - Corporate Logo
T#:577570
Part#: REIPLTRTAB36
Ships in 3 Business Days
$ 49.00 USD
Free Shipping on orders $49 and up
Condor's Rear Trailing Arm Pocket Reinforcement Kit is one of the few kits in which the plate is not cut in the shape of a "C". A lot of companies cut them with an opening in order to have less waste when cutting. Their plates are fully connected all the way around making them stronger. This is a must-have reinforcement. The front mounting point of the rear trailing arm is a known area of failure on track driven E36s. Condor's 2-piece reinforcement plate kit reinforces the stock pocket bungs to prevent failure. Welding is required, includes rosette holes. *Does not fit 318ti.
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Burger Motorsports Billet Strut Cross Braces - Red - G20 M340i 330i, ...
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Burger Motorsports - Corporate Logo
T#:637421
Part#: BMSG20BSCB-RED
Ships on Jul 28, 2026
$ 199.00 USD
Free Shipping on orders $49 and up
Constructed from lightweight billet aluminum with the BMS logo engraved on the top middle. These strut braces are a solid one-piece design. These give an exclusive look under the hood and extra stabilization to the chassis.
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Eventuri BMW G8X M2 / M3 / M4 CSL Carbon Strut Brace - Gloss Finish ...
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Eventuri - Corporate Logo
T#:39565572
Part#: EVE-S58-CF-STR
Ships in 3 Business Days
$ 2,195.00 USD
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$ 2,195.00 USD
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Upgrade your BMW G8X M2, M3, or M4 CSL today with the Eventuri BMW G8X M2 / M3 / M4 CSL Carbon Strut Brace - Gloss Finish, and experience enhanced performance, improved handling, and a race-inspired aesthetic under the hood.
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Burger Motorsports Billet Strut Cross Braces - Blue - G20 M340i 330i,...
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Burger Motorsports - Corporate Logo
T#:637422
Part#: BMSG20BSCB-BLUE
Ships on Jul 28, 2026
$ 199.00 USD
Free Shipping on orders $49 and up
Constructed from lightweight billet aluminum with the BMS logo engraved on the top middle. These strut braces are a solid one-piece design. These give an exclusive look under the hood and extra stabilization to the chassis.
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Three Point Carbon Fiber Strut Brace - G20/G42
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Turner Motorsport - Corporate Logo
T#:21078441
Part#: 011902LAKT
In Stock
Sale - Save 3% $ 1,612.99

This product was last offered at the strikethrough price on
06-14-2026

$ 1,564.60 USD
Free Shipping on orders $49 and up
Sale - Save 3%
$ 1,612.99

This product was last offered at the strikethrough price on
06-14-2026

$ 1,564.60 USD
Free Shipping on orders $49 and up

Reduces chassis flex for improved handling and control. Beautiful carbon weave for both a functional and aesthetic enhancing upgrade for your G20 or G42!

The G20 and G42 come in a variety of different models offering a variety of performance options. Whether you have a B48 or B58 they both provide an exhilarating driving experience but are missing a key component found on the M3 and M4, chassis bracing. Taking performance cues from the more performance based "M" chassis we are able to bring an immense value add to your new 2 or 3 series to get the most out of your driving experience with our new 3-point strut brace. This is the only strut brace on the market that takes the handling characteristics from the M3 and puts them to use on your vehicle.

An instant upgrade with no modification needed. Fits directly on your vehicle utilizing factory hardware and supplied stud kit. Designed for both street and track use this 2 piece strut brace is mounted together to create one uniform brace for the best improvement in handling.

Strut tower braces are an excellent and common handling upgrade that work by bracing the shock towers together to reduce chassis flex during cornering. Our engineers designed and tested our one of a kind carbon fiber strut brace in-house to increase chassis rigidity and improve handling during aggressive driving in your 2 or 3 series G chassis BMW. Turner Motorsport has engineered a lightweight* and extremely rigid strut brace kit comprised of carbon fiber with billet aluminum end brackets that will not only enhance your driving experience but also provide an eye-catching addition to your engine bay. This addition gets your chassis once step closer to competing with the BMW M cars that come equipped with factory strut braces!

Our Turner Carbon Fiber Strut Tower Brace for your G20/G42 is incredible! Not just a show piece, This front strut brace is a precision engineered structural component that ensures power is transferred properly and not lost through chassis flex, without any increase in NVH. Adding the strut tower brace allows cornering load to be distributed more competently between both strut towers to reduce chassis flex, preventing changes in wheel alignment geometry that can negatively impact handling.

Carbon fiber is an excellent addition on any vehicle, and offers a very unique look that is found on some of the most exotic vehicles on the road today. This strut brace kit features a clean woven design that is sure to look phenomenal for years to come, and will absolutely compliment your engine bay. This kit includes everything you need for installation.

Design:

CAD designed for perfect integration with the stock mounting locations and features in the engine bay.
Utilizes the factory mounting hardware and supplied mounting studs
Designed with an oval cross-sectional area for increased rigidity
Manufactured using structural carbon fiber with a 2x2 twill weave outer layer for increased rigidity and a great look in the engine bay.
The aluminum chassis mounts are machined from 6061-T6, type II black anodized and bonded to the carbon structure to ensure secure and strong mounting of the strut brace to the chassis.
Performance and Benefits:

Increases structural rigidity of the chassis
Direct fitment
Functional and aesthetic upgrade
Hand-laid Gloss Carbon Fiber
Billet aluminum mounting

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Carbon Lid - Gloss (For Strut Brace)
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Turner Motorsport - Corporate Logo
T#:638835
Part#: 029201TMS05
In Stock
Sale - Save 13% $ 140.99

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

$ 122.92 USD
Free Shipping on orders $49 and up
Sale - Save 13%
$ 140.99

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

$ 122.92 USD
Free Shipping on orders $49 and up
For use with the Turner B58 Carbon Intake and 3-Point Strut Brace. If you have already purchased our Carbon Fiber B58 Intake for your G20 or G42 and want to upgrade your ride further with the rigid 3-point Strut Brace then you will need to swap out your intake lid for a new one specifically designed with precise fitment to compliment our upgraded carbon strut brace.
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MMX F56 Under Body Brace - Middle Section
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MMX Performance - Corporate Logo
T#:4224050
Part#: MMR13-1401-M
Ships in 3 Business Days
$ 212.99 USD
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$ 212.99 USD
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Genuine MINI Hex Bolt for MINI R5X - priced Each
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Genuine MINI - Corporate Logo
T#:417706
Part#: 33326771715
In Stock
6% off MSRP $ 22.86

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 21.50 USD
Free Shipping on orders $49 and up
6% off MSRP
$ 22.86

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 21.50 USD
Free Shipping on orders $49 and up

Upgrade your MINI R5X with Genuine MINI Hex Bolts for enhanced performance and reliability. Crafted to MINI's exact specifications, these authentic hex bolts ensure a perfect fit and secure fastening for various components of your MINI. Whether you're conducting maintenance or repairs on your MINI, trust Genuine MINI parts to maintain the integrity and performance of your vehicle.

  • Genuine MINI hex bolts for guaranteed quality
  • Crafted to MINI's exact specifications for perfect fit
  • Ensures secure fastening of components
  • Enhances performance and reliability of MINI R5X
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MMX F56 Under Body Brace - Front Section
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MMX Performance - Corporate Logo
T#:4224047
Part#: MMR13-1401-F
Ships in 3 Business Days
$ 195.99 USD
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$ 195.99 USD
Free Shipping