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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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Genuine MINI Hex Bolt M14X1,5X87 - 33506773205
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Genuine MINI - Corporate Logo
T#:60627
Part#: 33506773205
In Stock
$ 19.99 USD
Free Shipping on orders $49 and up

Ensure the integrity of your Mini's components with the Genuine MINI Hex Bolt M14X1.5X87 - 33506773205. This hex bolt is a crucial part for various applications in your Mini, ensuring secure fastening and reliable performance. Crafted with precision and durability in mind, this genuine MINI part offers peace of mind and optimal compatibility with your vehicle. Replace worn or damaged bolts promptly to maintain the safety and efficiency of your Mini.

  • Genuine MINI part ensures authenticity and compatibility
  • Precision-crafted hex bolt for secure fastening
  • Ensures reliable performance for various applications
  • Durable construction for long-lasting use
  • Easy replacement for worn or damaged bolts
Genuine MINI HEX BOLT
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Genuine BMW Rear Axle Hex Nut With Flange 33506784003
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Genuine BMW - Corporate Logo
T#:13504
Part#: 33506784003
In Stock
$ 2.99 USD
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Genuine BMW Hex Nut Wiht Flange - M10-8 Zns3
This item fits the following BMW Chassis:
E82,E90,E92,E93

Genuine MINI Hex Bolt With Washer M10X60-Z1-10.9 - 31106772432 ...
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Genuine MINI - Corporate Logo
T#:54007
Part#: 31106772432
In Stock
9% off MSRP $ 19.47

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

$ 17.75 USD
Free Shipping on orders $49 and up
9% off MSRP
$ 19.47

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

$ 17.75 USD
Free Shipping on orders $49 and up

Ensure optimal performance for your Mini with the Genuine MINI Hex Bolt With Washer M10X60-Z1-10.9 - 31106772432. This metal bolt, equipped with a flange, is essential for replacing the wishbone bracket as it securely attaches to the under panel of the car. With a requirement of two bolts per application, this genuine MINI part guarantees a proper fit and reliable performance.

  • Genuine MINI hex bolt with washer for secure attachment
  • M10X60-Z1-10.9 specification ensures durability and strength
  • Essential component for replacing the wishbone bracket
  • Compatible with the under panel of the car
  • Requires two bolts per application for complete installation
Genuine MINI HEX BOLT WITH WASHER
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Genuine BMW Rear Axle Reduced-shaft Bolt 33326760361
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Genuine BMW - Corporate Logo
T#:13490
Part#: 33326760361
In Stock
10% off MSRP $ 10.27

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

$ 9.23 USD
Free Shipping on orders $49 and up
10% off MSRP
$ 10.27

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

$ 9.23 USD
Free Shipping on orders $49 and up


Genuine BMW Reduced-Shaft Bolt - M12X1,5X116-8.8
This item fits the following BMW Chassis:
E36 M3,E46 M3,E85 Z4M,E36,E46,E83 X3,E85 Z4,E86 Z4,E89 Z4


Genuine BMW Front Axle Hex Bolt With Washer 31311136465
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Genuine BMW - Corporate Logo
T#:7730
Part#: 31311136465
In Stock
$ 7.99 USD
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Genuine BMW Hex Bolt With Washer - M12X20
This item fits the following BMW Chassis:
E36 M3,E85 Z4M,E34,E36,E85 Z4,E86 Z4

E30, Z3 Rear Sway Bar Lower Link Reinforcement Kit
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Turner Motorsport - Corporate Logo
T#:3775
Part#: TSU3075305
In Stock
Sale - Save 60% $ 47.99

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

$ 19.35 USD
Free Shipping on orders $49 and up
Sale - Save 60%
$ 47.99

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

$ 19.35 USD
Free Shipping on orders $49 and up
Made in the USA This product reinforces the metal swaybar link mounting point on the rear trailing arm. The sheet metal breaks off the trailing arm due to the constant up and down loads being placed on the trailing arm from the swaybar. Problems increase when larger sway bars are used. This product eliminates the problem by thickening the sheet metal and triangulating the mounting point. A good time to install this kit would be when you are doing any rear suspension work, exhaust, or even if you are just doing a differential fluid change. This part requires welding for installation.

Click here for installation instructions.

This item fits the following BMWs:
1984-1991 E30 BMW 318i 318is 318ic 325e 325es 325i 325ic 325is 325ix M3
1997-2002 Z3 BMW Z3 1.9 Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i M Roadster M Coupe
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Genuine MINI Hexagon Screw With Flange M14X1,5X105 - 31106772433 ...
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Genuine MINI - Corporate Logo
T#:54008
Part#: 31106772433
In Stock
$ 8.99 USD
Free Shipping on orders $49 and up

Enhance your Mini with the Genuine MINI Hexagon Screw With Flange M14X1.5X105 - 31106772433. Here are the key details and benefits:

  • Authentic MINI Part: This screw is a genuine OEM part designed specifically for Mini vehicles.
  • High-Quality Construction: Made with durable materials to ensure reliability and longevity.
  • Precise Fit: Engineered to fit seamlessly into your Mini, ensuring proper functionality.
  • Easy Installation: Designed for straightforward installation without the need for modifications.
  • Flange Design: Features a flange for added stability and security.

Upgrade your Mini with this Genuine MINI Hexagon Screw to maintain its performance and integrity. Genuine MINI HEXAGON SCREW WITH FLANGE

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E46 Front Subframe Reinforcement Kit
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Turner Motorsport - Corporate Logo
T#:631
Part#: TDR4675F99
In Stock
Sale - Save 77% $ 79.99

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

$ 18.25 USD
Free Shipping on orders $49 and up
Sale - Save 77%
$ 79.99

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

$ 18.25 USD
Free Shipping on orders $49 and up
Made in the USA The motor mount area on a subframe is one of those easily-forgotton areas that may be hiding a serious problem. The subframe on the E46 has a gusset ('ear') welded on for the motor mounts. These gussets take the stress of the motor mount as the engine torques (more upgrades = more torque = more stress). Worn motor mounts only transfer more stress to the subframe. Unfortunately, the sheetmetal will fatigue over time even though the gusset is reinforced from the factory. Check for cracks along the welds and an uneven plane from the subframe to the gusset. A total failure of the guesset will shift your engine to the side and forward, taking out many other components along the way and leading to a very costly repair.

The next time you replace the motor mounts, oil pan gasket, checking your oil pump nut, or any other time you drop the front subframe, you should install these reinforcements. This kit comes with steel reinforcing plates that are welded to the underside of the guesset as well as plates to close off the bottom of the gusset for extra strength. Instructions included.

This item fits the following BMWs:
1999-2005 E46 BMW 323i 323ci 325i 325ci 328i 328ci 330i 330ci M3
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Genuine BMW Hex Bolt - 07119900402 - E36,E46,E85
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Genuine BMW - Corporate Logo
T#:21651
Part#: 07119900402
In Stock
$ 5.11 USD
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Genuine BMW Hex Bolt
This item fits the following BMW Chassis:
E36 M3,E46 M3,E85 Z4M,E36,E46,E85 Z4,E86 Z4


Genuine BMW Front Axle Hex Bolt With Washer 31306779487
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Genuine BMW - Corporate Logo
T#:13350
Part#: 31306779487
In Stock
8% off MSRP $ 8.54

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

$ 7.83 USD
Free Shipping on orders $49 and up
8% off MSRP
$ 8.54

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

$ 7.83 USD
Free Shipping on orders $49 and up


Genuine BMW Hex Bolt With Washer - M12X1,5X55-10.9
This item fits the following BMW Chassis:
E46 M3,E38,E46,E85 Z4,E86 Z4

Genuine BMW Rear Axle Collar Screw 33326760386
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Genuine BMW - Corporate Logo
T#:12736
Part#: 33326760386
In Stock
$ 9.99 USD
Free Shipping on orders $49 and up


Genuine BMW Collar Screw - M12X1,5X43 Zns3
This item fits the following BMW Chassis:
E36 M3,E46 M3,E85 Z4M,E36,E46,E83 X3,E85 Z4,E86 Z4,E89 Z4

Genuine BMW Fit Bolt - 07119905853 - E36,E85,E36 M3,E85 Z4M
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Genuine BMW - Corporate Logo
T#:6401
Part#: 07119905853
In Stock
14% off MSRP $ 15.81

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

$ 13.57 USD
Free Shipping on orders $49 and up
14% off MSRP
$ 15.81

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

$ 13.57 USD
Free Shipping on orders $49 and up
Ensure precise fitment for your BMW with the Genuine BMW Fit Bolt - 07119905853, compatible with E36, E85, E36 M3, and E85 Z4M models. Crafted to BMW's exact specifications, this bolt guarantees optimal performance and reliability. Whether you're replacing worn-out bolts or conducting maintenance, trust Genuine BMW quality to keep your vehicle running smoothly. Invest in the Genuine BMW Fit Bolt for a seamless fit and peace of mind on the road.
  • Genuine BMW quality assurance
  • Compatible with various BMW models
  • Ensures precise fitment
  • Optimal performance and reliability
  • Essential for maintenance and repairs


Genuine BMW Fit Bolt
This item fits the following BMW Chassis:
E36 M3,E85 Z4M,E36,E85 Z4,E86 Z4

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