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Your Vehicle BMW E38 750iL M73 5.4L

BMW E46 Suspension Reinforcements

BMW E46 owners have recognized a few significant weak areas in the factory suspension. ECS tuning has undertaken the challenge of swiftly remedying these chassis and handling shortcomings.

Trailing arm limiters save the life of your rear trailing arm bushings by eliminating unnecessary slop at the bushings, while the shock tower brace greatly reduce chassis flex, improving overall rigidity.

The kits not only extend the life of critical suspension components, but also serve as needed performance upgrades by allowing for more reliable enthusiastic driving.


True Reinforcements

Fits:
BMW
E46 323i/Ci (1999-2000)
E46 325i/Ci/Xi (2001-2006)
E46 328i/Ci (1999-2000)
E46 330i/Ci/Xi (2001-2006)

ECS Carbon Fiber Strut Bar Kit - Black
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

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Availability:
In Stock
On SALE Save 10%
$343.99

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

$309.59 USD
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This product is lifetime replacement eligible Lifetime Replacement
ECS Carbon Fiber Strut Bar Kit - Silver
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

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Availability:
In Stock
On SALE
$274.99

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

$261.24 USD
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This product is lifetime replacement eligible Lifetime Replacement
Heavy Duty Rear Shock Mount Reinforcement Plate Set
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

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Availability:
In Stock
On SALE Save 25%
$83.99

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

$62.99 USD
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on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Suspension Reinforcement Kit
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

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Availability:
In Stock
On SALE Save 31%
$326.99

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

$226.91 USD
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This product is lifetime replacement eligible Lifetime Replacement
Suspension Reinforcement Kit
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

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
On SALE Save 31%
$316.99

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

$218.41 USD
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This product is lifetime replacement eligible Lifetime Replacement
Rear Trailing Arm Bushing Limiter Set
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

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Availability:
In Stock
On SALE
$86.99

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

$82.64 USD
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This product is lifetime replacement eligible Lifetime Replacement
Heavy Duty Rear Shock Mount Reinforcement Plate Set
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

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Availability:
In Stock
On SALE Save 25%
$93.98

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

$70.48 USD
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This product is lifetime replacement eligible Lifetime Replacement
Ultimate Performance Rear Shock Mount Kit
Polyurethane-isolated monoball design offers street comfort with race performance while eliminating blowouts!! Includes ECS heavy duty reinforcement plates.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2762983
Mfg#: 002542ECS01KT

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Availability:
In Stock
On SALE
$407.99

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

$395.75 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Ultimate Performance Rear Shock Mount Kit
Polyurethane-isolated monoball design offers street comfort with race performance while eliminating blowouts!! Includes ECS heavy duty E46 convertible-specific reinforcement plates.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2765978
Mfg#: 002542ECS01KT1

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
On SALE
$407.99

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

$395.75 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

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