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BMW M3 Underbody Braces & Reinforcements

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E30 Frame Rail Reinforcement Kit

ES#4487673 - 043107LA01 - E30 Frame Rail Reinforcement Kit - Say goodbye to crusty & rusty subframes! The industry standard in weld-in E30 frame rail reinforcement. - Turner Motorsport - BMW

Say goodbye to crusty & rusty subframes! The industry standard in weld-in E30 frame rail reinforcement. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4487673
Mfg#:
043107LA01
In Stock
ON SALE! SAVE 40%
$190.99

This product was last offered at the strikethrough price on
05-02-2026

$114.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Chassis Bracing for F8X M2/M3/M4

ES#4375773 - F-Brace - Chassis Bracing for F8X M2/M3/M4 - Chassis Bracing for F8X M2/M3/M4 - Active Autowerke - BMW

Chassis Bracing for F8X M2/M3/M4 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Active Autowerke - Corporate Logo
ES#:
4375773
Mfg#:
F-BRACE
Ships in 1 Business Day
$99.00

This product was last offered at the strikethrough price on
02-23-2026

$94.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E36 X Brace

ES#4429850 - K0708 - E36 X Brace - Garagistic Front Subframe Cross-Brace - Garagistic - BMW

Garagistic Front Subframe Cross-Brace affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Garagistic - Corporate Logo
ES#:
4429850
Mfg#:
K0708
In Stock
ON SALE!
$265.00

This product was last offered at the strikethrough price on
05-02-2026

$257.64 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

"G-Brace" Chassis Brace

ES#4752483 - AAG8XGBRACE - "G-Brace" Chassis Brace - Replaces the OEM underbody brace with a new unit that increases clearance, allowing for larger exhaust systems without sacrificing rigidity. - Active Autowerke - BMW

Replaces the OEM underbody brace with a new unit that increases clearance, allowing for larger exhaust systems without sacrificing rigidity. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Active Autowerke - Corporate Logo
ES#:
4752483
Mfg#:
AAG8XGBRACE
Ships in 3 Business Days
5% off MSRP

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

$299.00

This product was last offered at the strikethrough price on
06-03-2026

$284.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Track Tec Chassis Brace - F8X

ES#4405550 - F8XChassisBrace - Track Tec Chassis Brace - F8X - Increase chassis rigidity with this Standard Brace for your Stock Exhaust System! - Track Tec - BMW

Increase chassis rigidity with this Standard Brace for your Stock Exhaust System! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Stock Exhaust System

Brand:
Track Tec
ES#:
4405550
Mfg#:
F8XCHASSISBRACE
In Stock
ON SALE! SAVE 12%
$290.00

This product was last offered at the strikethrough price on
05-14-2026

$254.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E30 X Brace

ES#4429848 - K0707 - E30 X Brace - Garagistic Front Subframe Cross-Brace - Garagistic - BMW

Garagistic Front Subframe Cross-Brace affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Garagistic - Corporate Logo
ES#:
4429848
Mfg#:
K0707
In Stock
ON SALE!
$265.00

This product was last offered at the strikethrough price on
05-14-2026

$254.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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