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BMW Z4 3.0i N52 3.0L

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BMW Z4 3.0i N52 3.0L Cup Kits

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Performance Suspension Cup Kit - Sport

ES#3659053 - 50421KT1 - Performance Suspension Cup Kit - Sport - Featuring Bilstein B8 shocks and H&R sport lowering springs - Assembled By ECS - BMW

Featuring Bilstein B8 shocks and H&R sport lowering springs 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3659053
Mfg#:
50421KT1
Ships on Jan 5, 2027
$1333.00

This product was last offered at the strikethrough price on
07-01-2026

$1274.99 USD
This product is lifetime replacement eligible Lifetime Replacement

B12 Pro-Kit Suspension System

ES#2983739 - 46-181237 - B12 Pro-Kit Suspension System - Expertly matched performance Eibach Pro-line lowering springs and Bilstein shock/strut package for a dramatic increase in performance handling. World-famous Bilstein quality with a limited lifetime warranty! - Bilstein - BMW

Expertly matched performance Eibach Pro-line lowering springs and Bilstein shock/strut package for a dramatic increase in performance handling. World-famous Bilstein quality with a limited lifetime warranty! 10X Entries Into Our F80 M3 Sweepstakes

For vehicles without self leveling suspension

Brand:
Bilstein - Corporate Logo
ES#:
2983739
Mfg#:
46-181237
Special Order: No Guaranteed ETA
$1099.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cup Kit/Coilover Installation Kit - Without Spring Pads

ES#4315945 - 31336779613KT6 - Cup Kit/Coilover Installation Kit - Without Spring Pads - Everything you need to install coilovers, shocks/struts, or a cup kit on your BMW including HD rear shock mounts with reinforcement plates - Assembled By ECS - BMW

Everything you need to install coilovers, shocks/struts, or a cup kit on your BMW including HD rear shock mounts with reinforcement plates 10X Entries Into Our F80 M3 Sweepstakes
For roadster models only

Brand:
Assembled By ECS - Corporate Logo
ES#:
4315945
Mfg#:
31336779613KT6
Ships on Feb 16, 2027
ON SALE!
$285.86

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

$275.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cup Kit/Coilover Installation Kit - Without Spring Pads

ES#4315944 - 31336779613KT5 - Cup Kit/Coilover Installation Kit - Without Spring Pads - Everything you need to install coilovers, shocks/struts, or a cup kit on your BMW including HD rear shock mounts with reinforcement plates - Assembled By ECS - BMW

Everything you need to install coilovers, shocks/struts, or a cup kit on your BMW including HD rear shock mounts with reinforcement plates 10X Entries Into Our F80 M3 Sweepstakes
For coupe models only

Brand:
Assembled By ECS - Corporate Logo
ES#:
4315944
Mfg#:
31336779613KT5
Ships on Feb 16, 2027
ON SALE!
$275.99

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

$266.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Suspension Cup Kit - Sport

ES#3659051 - 50421KT - Performance Suspension Cup Kit - Sport - Featuring Koni Yellow shocks with H&R Springs - Assembled By ECS - BMW

Featuring Koni Yellow shocks with H&R Springs 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3659051
Mfg#:
50421KT
In Stock at Vendor
$1490.99

This product was last offered at the strikethrough price on
07-01-2026

$1433.99 USD
This product is lifetime replacement eligible Lifetime Replacement

More About Cup Kits

More than a kit with matched components, a Cup Kit is a suspension lowering solution engineered for a specific make and model. Cup kits combine lowering and enhanced handling with ride comfort that's suitable for daily driving; all in a convenient, affordable package.

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

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