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BMW E46 Performance Bracing & Reinforcements

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Rear Subframe/Chassis Reinforcement Kit - E46

ES#3006359 - TDR4675412 - Rear Subframe/Chassis Reinforcement Kit - E46 - Say goodbye to torn subframe mounting! The industry standard in weld-in E46 subframe reinforcement. Updated in 2020 to provide additional reinforcement! - Turner Motorsport - BMW
ECS Tuning recommends this product.

Say goodbye to torn subframe mounting! The industry standard in weld-in E46 subframe reinforcement. Updated in 2020 to provide additional 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#:
3006359
Mfg#:
TDR4675412
In Stock
ON SALE! SAVE 30%
$189.99

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

$132.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Subframe Bushing/Reinforcement Combo Kit - Track

ES#4772525 - SBRC-E46-95A - Subframe Bushing/Reinforcement Combo Kit - Track - Includes polyurethane subframe bushings and subframe reinforcement plates. - Revshift - BMW

Includes polyurethane subframe bushings and subframe reinforcement plates. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Revshift - Corporate Logo
ES#:
4772525
Mfg#:
SBRC-E46-95A
Ships in 10 Business Days
Auto Notify
$249.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Trailing Arm Bushing Limiter Set

ES#2721244 - 003301ECS01AKT - Rear Trailing Arm Bushing Limiter Set - Improve handling and extend bushing life - all while maintaining ride quality! - ECS - BMW

Improve handling and extend bushing life - all while maintaining ride quality! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2721244
Mfg#:
003301ECS01AKT
In Stock
ON SALE!
$86.99

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

$82.64 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heavy Duty Rear Shock Mount Reinforcement Plate Set

ES#2642687 - 002478ECS01KT - Heavy Duty Rear Shock Mount Reinforcement Plate Set - Thicker construction (4mm) than Z3 plates with a matte zinc finish. Brawny and beautiful! - ECS - BMW

Thicker construction (4mm) than Z3 plates with a matte zinc finish. Brawny and beautiful! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2642687
Mfg#:
002478ECS01KT
In Stock
ON SALE! SAVE 40%
$83.99

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

$50.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Suspension Reinforcement Kit

ES#2718690 - 002478ECS01KT - 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2718690
Mfg#:
002478ECS01KT
In Stock
ON SALE! SAVE 31%
$316.99

This product was last offered at the strikethrough price on
01-03-2026

$218.41 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Subframe Bushing/Reinforcement Combo Kit - Street

ES#4772524 - SBRC-E46-80A - Subframe Bushing/Reinforcement Combo Kit - Street - Includes polyurethane subframe bushings and subframe reinforcement plates. - Revshift - BMW

Includes polyurethane subframe bushings and subframe reinforcement plates. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Revshift - Corporate Logo
ES#:
4772524
Mfg#:
SBRC-E46-80A
Ships in 5 Business Days
$249.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Shock Mount Reinforcement - Priced each

ES#3673835 - B3300044 - Rear Shock Mount Reinforcement - Priced each - Mounts on the top of the rear shock mount, creating a much stiffer mounting point. - Bavarian Autosport - BMW

Mounts on the top of the rear shock mount, creating a much stiffer mounting point. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For coupe models only

Brand:
Bavarian Autosport - Corporate Logo
ES#:
3673835
Mfg#:
B3300044
In Stock
ON SALE!
$8.99

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

$8.68 USD
Free Shipping
on orders $49 and up
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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2642686
Mfg#:
002478ECS02KT
In Stock
ON SALE! SAVE 35%
$93.98

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

$61.09 USD
Free Shipping
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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Karbonius Composites - Corporate Logo
ES#:
4781206
Mfg#:
E46SB01CF
Ships on Jun 19, 2026
Starting at $1195.00 USD
Customize
Free Shipping
on orders $49 and up

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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3006352
Mfg#:
TSU9975100
In Stock
ON SALE! SAVE 15%
$56.99

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

$48.44 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2718691
Mfg#:
002478ECS02KT
In Stock
ON SALE! SAVE 31%
$326.99

This product was last offered at the strikethrough price on
01-03-2026

$226.91 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Sway Bar Reinforcement Kit

ES#3028330 - TSU4675461 - Rear Sway Bar Reinforcement Kit - It isn't that it hasn't failed - it just hasn't failed yet. - Turner Motorsport - BMW

It isn't that it hasn't failed - it just hasn't failed yet. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3028330
Mfg#:
TSU4675461
In Stock
ON SALE! SAVE 21%
$70.99

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

$56.02 USD
Free Shipping
on orders $49 and up
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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

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

Front Subframe Reinforcement

ES#48913 - 31111096431 - Front Subframe Reinforcement - Factory bracing piece - Genuine BMW - BMW

Factory bracing piece affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
48913
Mfg#:
31111096431
Ships on Jun 26, 2026
1% off MSRP

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

$115.99

This product was last offered at the strikethrough price on
06-02-2026

$114.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Shock Mount Upper Reinforcement Plates

ES#4465480 - IRPRSMP-30 - Rear Shock Mount Upper Reinforcement Plates - Strengthen your Rear suspension and drive without worry! - IRP - Individual Racing Parts - BMW

Strengthen your Rear suspension and drive without worry! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
IRP - Individual Racing Parts - Corporate Logo
ES#:
4465480
Mfg#:
IRPRSMP-30
In Stock
$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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