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BMW E46 Suspension Braces & Reinforcement Parts

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Performance Rear Shock Mounts (RSM) - Sold as Pair

ES#3026976 - JTD909 - Performance Rear Shock Mounts (RSM) - Sold as Pair - Rubber mounts with bottom-mount reinforcement plates for easy service without disassembling your trunk interior. - JT Design - BMW

Rubber mounts with bottom-mount reinforcement plates for easy service without disassembling your trunk interior. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
JT Design
ES#:
3026976
Mfg#:
JTD909
Back Ordered
$99.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heavy Duty Rear Shock Mount Reinforcement Plate Set

ES#2642686 - 002478ECS02KT - Heavy Duty Rear Shock Mount Reinforcement Plate Set - Finally, a bolt on and go solution for convertible models. No hacking required! - ECS - BMW

Finally, a bolt on and go solution for convertible models. No hacking required! 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

For convertible models only

Brand:
ECS - Corporate Logo
ES#:
2642686
Mfg#:
002478ECS02KT
In Stock
ON SALE! SAVE 25%
$95.98

This product was last offered at the strikethrough price on
06-13-2026

$71.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Strut Tower Brace

ES#3149001 - D180-0462 - Strut Tower Brace - Preserves chassis integrity & improves handling - a high-end accessory for the discerning enthusiast - Dinan - BMW

Preserves chassis integrity & improves handling - a high-end accessory for the discerning enthusiast Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Dinan - Corporate Logo
ES#:
3149001
Mfg#:
D180-0462
Ships in 6 Business Days
ON SALE! SAVE 10%
$531.99

This product was last offered at the strikethrough price on
09-28-2026

$478.76 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Karbonius E46 M3 / 3-Series Carbon FIber Strut Brace

Add a Carbon Fiber Strut Brace to Your E46! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Karbonius Composites - Corporate Logo
ES#:
4781206
Mfg#:
E46SB01CF
Ships in 8 Business Days
Starting at $1275.00 USD
Customize
Free Shipping
on orders $49 and up

Carbon Fiber Front Thrust Panel

Increase structural rigidity, reduce chassis flex, all while drastically reducing vital front end weight! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
RKP - Corporate Logo
ES#:
4809856
Mfg#:
RKP-E46-CFTP
Ships in 4 Business Days
$1195.00 USD
Free Shipping

V-Brace Chassis Support

ES#4635577 - RE.899 - V-Brace Chassis Support - An upgraded support over the OE v-brace, this connects the frame rails to the rear subframe. - Rogue Engineering - BMW

An upgraded support over the OE v-brace, this connects the frame rails to the rear subframe. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Rogue Engineering - Corporate Logo
ES#:
4635577
Mfg#:
RE.899
Ships on Nov 23, 2026
$595.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alloy Strut Bar - Polished Aluminum

ES#2207832 - KSB557 - Alloy Strut Bar - Polished Aluminum - Instantly reduce your body or chassis flex with this strut bar from WhiteLine - Whiteline - BMW

Instantly reduce your body or chassis flex with this strut bar from WhiteLine Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Whiteline - Corporate Logo
ES#:
2207832
Mfg#:
KSB557
In Stock at Vendor
$228.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Racing Dynamics Front Strut Brace

ES#3035900 - 1969946100 - E46 Racing Dynamics Front Strut Brace - A performance upgrade to reduce chassis flex - from one of the original BMW tuners! Scaffold design with classic Racing Dynamics crest. - Racing Dynamics - BMW

A performance upgrade to reduce chassis flex - from one of the original BMW tuners! Scaffold design with classic Racing Dynamics crest. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Racing Dynamics - Corporate Logo
ES#:
3035900
Mfg#:
1969946100
In Stock
$325.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Shock Tower Mount Reinforcement Kit

ES#3006352 - TSU9975100 - Rear Shock Tower Mount Reinforcement Kit - Prevent stress cracking and torn sheetmetal! - Turner Motorsport - BMW

Prevent stress cracking and torn sheetmetal! 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Turner Motorsport - Corporate Logo
ES#:
3006352
Mfg#:
TSU9975100
In Stock
ON SALE! SAVE 15%
$58.99

This product was last offered at the strikethrough price on
06-13-2026

$50.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Shock Mount Reinforcement Plate - Priced Each

ES#4147028 - 51718413359 - Rear Shock Mount Reinforcement Plate - Priced Each - Mounts on top of the rear shock - URO - BMW

Mounts on top of the rear shock 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4147028
Mfg#:
51718413359
In Stock
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Strut Tower Brace

ES#3149002 - D180-0464 - Strut Tower Brace - Preserves chassis integrity & improves handling - a high-end accessory for the discerning enthusiast - Dinan - BMW

Preserves chassis integrity & improves handling - a high-end accessory for the discerning enthusiast Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Dinan - Corporate Logo
ES#:
3149002
Mfg#:
D180-0464
Ships on Nov 19, 2026
ON SALE! SAVE 10%
$519.99

This product was last offered at the strikethrough price on
09-28-2026

$467.96 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Suspension Reinforcement Kit

ES#2718691 - 002478ECS02KT - Suspension Reinforcement Kit - Includes ECS RTAB limiter, rear shock tower reinforcement plates and BMW Strut tower plates. - Assembled By ECS - BMW

Includes ECS RTAB limiter, rear shock tower reinforcement plates and BMW Strut tower plates. 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For convertible models only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2718691
Mfg#:
002478ECS02KT
Back Ordered
ON SALE! SAVE 14%
$266.99

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

$230.31 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Rear subframe brace

ES#57284 - 33312229899 - E46 M3 Rear subframe brace - Connects the frame rails to the rear subframe - does not include hardware - Genuine BMW - BMW

Connects the frame rails to the rear subframe - does not include hardware Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
57284
Mfg#:
33312229899
Ships in 1-2 days
2% off MSRP

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

$434.99

This product was last offered at the strikethrough price on
10-27-2026

$425.99 USD
This product is lifetime replacement eligible Lifetime Replacement

E46 Dinan Shock Tower Brace

ES#4213479 - D180-0461 - E46 Dinan Shock Tower Brace - 1999-2006 BMW 323I/325I/328I/330I/M3 - Dinan - BMW

1999-2006 BMW 323I/325I/328I/330I/M3 Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For sedan and coupe models only

Brand:
Dinan - Corporate Logo
ES#:
4213479
Mfg#:
D180-0461
In Stock
ON SALE! SAVE 10%
$425.99

This product was last offered at the strikethrough price on
09-28-2026

$383.36 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Subframe Reinforcement Kit

ES#3028124 - TDR4675F99 - Front Subframe Reinforcement Kit - Say goodbye to cracked subframes! The industry standard in weld-in E46 subframe reinforcement. - Turner Motorsport - BMW

Say goodbye to cracked subframes! The industry standard in weld-in E46 subframe reinforcement. 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Turner Motorsport - Corporate Logo
ES#:
3028124
Mfg#:
TDR4675F99
In Stock
ON SALE! SAVE 77%
$79.99

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

$18.25 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Front Subframe Brace

ES#130062 - 51718260810 - E46 Front Subframe Brace - Used to protect oil pan and triangulate subframe for correct handling - Genuine BMW - BMW

Used to protect oil pan and triangulate subframe for correct handling Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For vehicles with production date up to 02/2001

Brand:
Genuine BMW - Corporate Logo
ES#:
130062
Mfg#:
51718260810
Ships in 4 Business Days
2% off MSRP

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

$318.99

This product was last offered at the strikethrough price on
06-04-2026

$312.99 USD
This product is lifetime replacement eligible Lifetime Replacement

More About Suspension Braces & Reinforcement Parts

Low-cost bracing adds rigidity and reduces chassis flex for improved handling performance. Enhance the effectiveness of your suspension upgrades and premium tires with carefully placed braces.

Let us help you find the parts that fit your BMW

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Manufacturer names and/or part numbers are used only for identification purposes.

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