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BMW E46 Suspension Braces & Reinforcement Parts

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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

Top-Side Rear Subframe Reinforcement Brace - Coupe

ES#4872618 - 048697LA01KT2 - Top-Side Rear Subframe Reinforcement Brace - Coupe - Prevent costly Rear Axle Carrier Panel (RACP) failure and add much-needed strength to the rear end of your E46! - Turner Motorsport - BMW

Prevent costly Rear Axle Carrier Panel (RACP) failure and add much-needed strength to the rear end of your E46! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4872618
Mfg#:
048697LA01KT2
In Stock
ON SALE! SAVE 20%
$377.99

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

$302.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Upper Strut Mount Reinforcement Plate - Priced Each - E46

ES#128656 - 51717036781 - Front Upper Strut Mount Reinforcement Plate - Priced Each - E46 - Highly recommended upgrade to drastically reduce mushrooming and other strut tower deformation - Genuine BMW - BMW

Highly recommended upgrade to drastically reduce mushrooming and other strut tower deformation affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Some trimming of reinforcement plate may be required.

Brand:
Genuine BMW - Corporate Logo
ES#:
128656
Mfg#:
51717036781
In Stock
$72.99

This product was last offered at the strikethrough price on
02-03-2026

$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Strut Tower Bar

ES#3677066 - MRSBE46FU1P - Front Strut Tower Bar - Ties the front strut towers together for less chassis flex and quicker response. - Megan Racing - BMW

Ties the front strut towers together for less chassis flex and quicker response. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Megan Racing - Corporate Logo
ES#:
3677066
Mfg#:
MRSBE46FU1P
In Stock
$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Carbon Fiber Strut Bar Kit - Black

ES#10995 - ecscf03bw03aceb - ECS Carbon Fiber Strut Bar Kit - Black - Reduce chassis flex with this lightweight strut bar - ECS - BMW

Reduce chassis flex with this lightweight strut bar affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Not compatible with coilovers that have adjustable dampening knobs on top.

Brand:
ECS - Corporate Logo
ES#:
10995
Mfg#:
ECSCF03BW03ACEB
In Stock
ON SALE! SAVE 10%
$343.99

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

$309.59 USD
Free Shipping
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

ECS Carbon Fiber Strut Bar Kit - Silver

ES#10997 - ECSCF03B03-ACE - ECS Carbon Fiber Strut Bar Kit - Silver - Reduce chassis flex with this lightweight strut bar - ECS - BMW

Reduce chassis flex with this lightweight strut bar affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
10997
Mfg#:
ECSCF03B03-ACE
In Stock
ON SALE!
$274.99

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

$261.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Top-Side Rear Subframe Reinforcement Brace - Sedan

ES#4698886 - 048697LA01KT - Top-Side Rear Subframe Reinforcement Brace - Sedan - Prevent costly RACP failure and add much-needed strength to the rear end of your E46! - Turner Motorsport - BMW

Prevent costly RACP failure and add much-needed strength to the rear end of your E46! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4698886
Mfg#:
048697LA01KT
In Stock
ON SALE! SAVE 20%
$406.99

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

$325.59 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

Performance Rear Shock Mounts - Polyurethane

ES#3477070 - IRPRTM-P - Performance Rear Shock Mounts - Polyurethane - Don't suffer from shock mount blow out again! - IRP - Individual Racing Parts - BMW

Don't suffer from shock mount blow out again! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
IRP - Individual Racing Parts - Corporate Logo
ES#:
3477070
Mfg#:
IRPRTM-P
In Stock
$110.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Racing Dynamics Front Strut Brace

ES#3023767 - 1969946012 - Racing Dynamics Front Strut Brace - Reduce chassis flexing - quality performance from one of the original BMW tuners! Polished bar design with Racing Dynamics featured prominently. - Racing Dynamics - BMW

Reduce chassis flexing - quality performance from one of the original BMW tuners! Polished bar design with Racing Dynamics featured prominently. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racing Dynamics - Corporate Logo
ES#:
3023767
Mfg#:
1969946012
In Stock
$245.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

Brand:
JT Design
ES#:
3026976
Mfg#:
JTD909
Ships in 10 Business Days
Auto Notify
$99.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Upper Strut Mount Reinforcement Plate - Priced Each - E46

ES#4759334 - 51717036781 - Front Upper Strut Mount Reinforcement Plate - Priced Each - E46 - Highly recommended upgrade to drastically reduce mushrooming and other strut tower deformation - URO - BMW

Highly recommended upgrade to drastically reduce mushrooming and other strut tower deformation affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4759334
Mfg#:
51717036781
In Stock
$42.99 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

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

Brand:
Whiteline - Corporate Logo
ES#:
2207832
Mfg#:
KSB557
In Stock
$228.99 USD
Free Shipping
on orders $49 and up
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

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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