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BMW 335i Cup Kits

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ES#4000716 - 31306863135KT3 - Cup Kit/Coilover Installation Kit - With Spring Pads (5/6-Bolt M8) - Everything you need to install coilovers, shocks/struts, or a cup kit on your BMW - Assembled By ECS - BMW

Everything you need to install coilovers, shocks/struts, or a cup kit on your BMW affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles without EDC and with 5/6-Bolt M8 Front Strut Mounts

Brand:
Assembled By ECS - Corporate Logo
ES#:
4000716
Mfg#:
31306863135KT3
Ships in 1-2 days
$644.99

This product was last offered at the strikethrough price on
03-11-2026

$575.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3509495 - 31306863135KT - Cup Kit/Coilover Installation Kit - With Spring Pads (3-Bolt M10) - Everything you need to install coilovers, shocks/struts, or a cup kit on your BMW - Assembled By ECS - BMW

Everything you need to install coilovers, shocks/struts, or a cup kit on your BMW affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles without EDC and with 3-Bolt Front Strut Mounts

Brand:
Assembled By ECS - Corporate Logo
ES#:
3509495
Mfg#:
31306863135KT
Ships in 1-2 days
ON SALE!
$573.99

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

$560.78 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2622813 - 31306775098KT1 - Cup Kit/Coilover Installation Kit - Everything you need to install coilovers, shocks/struts, or a cup kit on your BMW - Assembled By ECS - BMW

Everything you need to install coilovers, shocks/struts, or a cup kit on your BMW 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#:
2622813
Mfg#:
31306775098KT1
In Stock
ON SALE!
$462.32

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

$444.88 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4390692 - 46-276209 - Bilstein 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! 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!

For vehicles without EDC

Brand:
Bilstein - Corporate Logo
ES#:
4390692
Mfg#:
46-276209
Ships in 3 Business Days
$1163.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3220590 - 28878-2KT - Sport Suspension Kit - H&R Sport Springs/Bilstein B8 Performance Shocks - Greater than the sum of its parts: premium, sporty ride, with 1.3-1.5"F/0.7-1.0" lowering. Lifetime warranty. - Assembled By ECS - BMW

Greater than the sum of its parts: premium, sporty ride, with 1.3-1.5"F/0.7-1.0" lowering. Lifetime warranty. 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#:
3220590
Mfg#:
28878-2KT
In Stock
$1204.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2725391 - 46-180568 - 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! 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!

Average lowering of 1 1/4"F 1"R

Brand:
Bilstein - Corporate Logo
ES#:
2725391
Mfg#:
46-180568
In Stock
10% off MSRP

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

$1113.00

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

$999.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2725395 - 46-180674 - 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! 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!
Average lowering of 1 1/4"F 3/4"R

Brand:
Bilstein - Corporate Logo
ES#:
2725395
Mfg#:
46-180674
In Stock
$1030.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4752831 - e9xspringinstKT - E8x E9x Spring Replacement Kit - Hardware And Mounts - If you are replacing old springs to changing to lowering springs this kit has all the necessary replacement hardware as well as replacement mounts. Enthusiast kit put together for the best price and least hassle. - Assembled By ECS - BMW

If you are replacing old springs to changing to lowering springs this kit has all the necessary replacement hardware as well as replacement mounts. Enthusiast kit put together for the best price and least hassle. 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#:
4752831
Mfg#:
E9XSPRINGINSTKT
Ships on Sep 23, 2026
Auto Notify
ON SALE!
$338.99

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

$328.64 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3647937 - F30XDRCUPKT - Performance Suspension Cup Kit - Sport - German components for your German car - Bilstein B8 Performance Plus dampers paired with H&R Sport springs. Limited lifetime warranty. - Assembled By ECS - BMW

German components for your German car - Bilstein B8 Performance Plus dampers paired with H&R Sport springs. Limited lifetime warranty. 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#:
3647937
Mfg#:
F30XDRCUPKT
In Stock
$1266.99

This product was last offered at the strikethrough price on
03-23-2026

$1203.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2723092 - 46-180650 - 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! 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!

Average lowering of 1 1/4"F 1"R

Brand:
Bilstein - Corporate Logo
ES#:
2723092
Mfg#:
46-180650
Ships in 5 Business Days
$999.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4661087 - 07119905032EKT - Front & Rear Suspension Hardware Installation Kit - Make sure your install is complete with all new hardware for quality and piece of mind! - Assembled By ECS - BMW

Make sure your install is complete with all new hardware for quality and piece of mind! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For models with Adaptive M Suspension

Brand:
Assembled By ECS - Corporate Logo
ES#:
4661087
Mfg#:
07119905032EKT
In Stock
$119.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3219270 - 46-223678 - Bilstein B12 Pro-Kit - F30/F32 335/340/435/440 - Featuring Eibach Pro-kit springs and Bilstein shocks and struts - Bilstein - BMW

Featuring Eibach Pro-kit springs and Bilstein shocks and struts 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!

For vehicles without EDC

Brand:
Bilstein - Corporate Logo
ES#:
3219270
Mfg#:
46-223678
Ships in 7 Business Days
$1129.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4696158 - 31306881929CKT - Cup Kit/Coilover Installation Kit - With Spring Pads (5-Bolt M10) - Everything you need to install coilovers, shocks/struts, or a cup kit on your BMW - Assembled By ECS - BMW

Everything you need to install coilovers, shocks/struts, or a cup kit on your BMW affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles without EDC and with 5-Bolt Front Strut Mounts

Brand:
Assembled By ECS - Corporate Logo
ES#:
4696158
Mfg#:
31306881929CKT
Ships in 1-2 days
$643.99

This product was last offered at the strikethrough price on
03-11-2026

$595.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2581683 - E902SUSKT - Performance Suspension Cup Kit - Race - Featuring Koni Yellow shocks and H&R Race lowering springs - Assembled By ECS - BMW

Featuring Koni Yellow shocks and H&R Race lowering springs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Average lowering of 2"F and 1.5"R

Brand:
Assembled By ECS - Corporate Logo
ES#:
2581683
Mfg#:
E902SUSKT
Ships in 6 Business Days
$1340.99

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

$1339.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2581691 - E902SUSSPRTKT - Performance Suspension Cup Kit - Sport - Featuring Koni Yellow shocks and H&R Sport lowering springs - Assembled By ECS - BMW

Featuring Koni Yellow shocks and H&R Sport lowering springs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Average lowering of 1.3"F & 1.2"R

Brand:
Assembled By ECS - Corporate Logo
ES#:
2581691
Mfg#:
E902SUSSPRTKT
Ships in 6 Business Days
$1309.99

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

$1308.99 USD
Free Shipping
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.

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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