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2003 MINI Cooper Base Coupe L4 1.6L

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2003 MINI Cooper Base Coupe L4 1.6L Suspension Parts & Accessories

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Performance Polyurethane Rear Shock Mounts Kit

ES#4369935 - PSB664K - Performance Polyurethane Rear Shock Mounts Kit - Improves handling and control upgrade to a more engaging driving experience while replacing those always failing stock rear shock mounts. **If you have aftermarket shocks/coilovers you might have to use their sleeve and use just the poly inserts** - PSB - MINI

Improves handling and control – upgrade to a more engaging driving experience while replacing those always failing stock rear shock mounts. **If you have aftermarket shocks/coilovers you might have to use their sleeve and use just the poly inserts**

Brand:
PSB - Corporate Logo
ES#:
4369935
Mfg#:
PSB664K
In Stock
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Polyurethane Bump Stop Set

ES#2652052 - BS009K - Performance Polyurethane Bump Stop Set - Helps prevent premature damper failure and damper blowout - Powerflex - MINI

Helps prevent premature damper failure and damper blowout

Brand:
Powerflex - Corporate Logo
ES#:
2652052
Mfg#:
BS009K
In Stock
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B16 Coilover Suspension Kit 48-136648

ES#2696208 - 48-136648 - B16 Coilover Suspension Kit 48-136648 - Bilstein PSS-10 suspension kit - Bilstein - MINI

Bilstein PSS-10 suspension kit 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bilstein - Corporate Logo
ES#:
2696208
Mfg#:
48-136648
Ships in 3 Business Days
31% off MSRP

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

$3380.00

This product was last offered at the strikethrough price on
09-05-2026

$2339.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

M7 MAXX-G Heavy Duty Adjustable Swaybar Endlinks - 175-200mm (6.9-7.9")

ES#3098113 - 10-510200 - M7 MAXX-G Heavy Duty Adjustable Swaybar Endlinks - 175-200mm (6.9-7.9") - Features forged alloy steel sealed and permanently lubricated OEM style ball stud & socket ends for easy installation - M7 Speed - MINI

Features forged alloy steel sealed and permanently lubricated OEM style ball stud & socket ends for easy installation

Brand:
M7 Speed - Corporate Logo
ES#:
3098113
Mfg#:
10-510200
Ships in 1 Business Day
ON SALE!
$135.99

This product was last offered at the strikethrough price on
08-31-2026

$129.01 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Guide Support / Rear Shock Mount - Left With Bushing

ES#4005122 - 333526754123B - Guide Support / Rear Shock Mount - Left With Bushing - Replace your worn or damaged mount - Hamburg Tech - MINI

Replace your worn or damaged mount We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4005122
Mfg#:
333526754123B
In Stock
ON SALE! SAVE 20%
$49.99

This product was last offered at the strikethrough price on
09-03-2026

$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MAXX-G Adjustable Camber Hybrid Polymer-MonoBall Link End Kit - Set of Four

ES#3098119 - 10-511104 - MAXX-G Adjustable Camber Hybrid Polymer-MonoBall Link End Kit - Set of Four - Solid aluminum 1" hex adjuster sleeve with opposing 3/4" left hand & right hand threads at each end for easy camber adjustment - M7 Speed - MINI

Solid aluminum 1" hex adjuster sleeve with opposing 3/4" left hand & right hand threads at each end for easy camber adjustment

Brand:
M7 Speed - Corporate Logo
ES#:
3098119
Mfg#:
10-511104
In Stock
Limited Qty Sale
$631.99

This product was last offered at the strikethrough price on
08-25-2026

$555.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Upper Spring Plate

ES#4029669 - 31336759452 - Upper Spring Plate - The plate found between the strut mount and spring - Hamburg Tech - BMW MINI

The plate found between the strut mount and spring We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4029669
Mfg#:
31336759452
In Stock
ON SALE! SAVE 20%
$19.99

This product was last offered at the strikethrough price on
09-03-2026

$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M7 MAXX-G Adjustable Camber Hybrid Polymer-MonoBall Link End Kit - Set of Two

ES#3098118 - 10-511102 - M7 MAXX-G Adjustable Camber Hybrid Polymer-MonoBall Link End Kit - Set of Two - Solid aluminum 1" hex adjuster sleeve with opposing 3/4" left hand & right hand threads at each end for easy camber adjustment - M7 Speed - MINI

Solid aluminum 1" hex adjuster sleeve with opposing 3/4" left hand & right hand threads at each end for easy camber adjustment

Brand:
M7 Speed - Corporate Logo
ES#:
3098118
Mfg#:
10-511102
In Stock
Limited Qty Sale
$400.99

This product was last offered at the strikethrough price on
08-24-2026

$351.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MINI Gen 1 (5/2003-2006) Handling Pack

ES#3218748 - PF5K-1004 - MINI Gen 1 (5/2003-2006) Handling Pack - Full kit which contains the engine mounts and suspension bushings - Powerflex - MINI

Full kit which contains the engine mounts and suspension bushings For vehicles with production from 5/2003

Brand:
Powerflex - Corporate Logo
ES#:
3218748
Mfg#:
PF5K-1004
In Stock
$348.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Front Sway Bar End Links - 175-235mm

ES#4932371 - 059085LA01 - Adjustable Front Sway Bar End Links - 175-235mm - An essential performance upgrade for lowered suspensions or a heavy-duty OE replacement. - ECS - BMW MINI

An essential performance upgrade for lowered suspensions or a heavy-duty OE replacement. 10X Entries Into Our F80 M3 Sweepstakes
Please measure before purchasing. For lowered or custom applications. Will not fit factory suspension. 175-235mm length adjustment range.

Brand:
ECS - Corporate Logo
ES#:
4932371
Mfg#:
059085LA01
In Stock
$189.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Upper Spring Pad - Priced Each

ES#50525 - 31331128523 - Upper Spring Pad - Priced Each - Used between spring plate and spring - Genuine BMW - BMW MINI

Used between spring plate and spring

Brand:
Genuine BMW - Corporate Logo
ES#:
50525
Mfg#:
31331128523
In Stock
1% off MSRP

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

$10.26

This product was last offered at the strikethrough price on
06-05-2026

$10.18 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Endlinks - Rear

ES#3103060 - AMPSUS415 - Adjustable Endlinks - Rear - ALTA endlinks provide a solid No-Flex connection between your sway bar and chassis - Alta Performance - MINI

ALTA endlinks provide a solid No-Flex connection between your sway bar and chassis

Brand:
Alta Performance - Corporate Logo
ES#:
3103060
Mfg#:
AMPSUS415
In Stock
$168.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cup Kit/Coilover Installation Kit With ECS Heavy Duty Front Mounts R50 R52 R53

ES#4876302 - 31306778833KT4 - Cup Kit/Coilover Installation Kit With ECS Heavy Duty Front Mounts R50 R52 R53 - Everything you need to install coilovers, shocks/struts, or a cup kit on your MINI Cooper - Assembled By ECS - MINI

Everything you need to install coilovers, shocks/struts, or a cup kit on your MINI Cooper 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4876302
Mfg#:
31306778833KT4
In Stock
ON SALE!
$410.06

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

$401.70 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M7 MAXX-G Heavy Duty Adjustable Swaybar Endlinks - 225-250mm (8.9-9.9") For rear stock height

ES#3098115 - 10-510400 - M7 MAXX-G Heavy Duty Adjustable Swaybar Endlinks - 225-250mm (8.9-9.9") For rear stock height - Features forged alloy steel sealed and permanently lubricated OEM style ball stud & socket ends for easy installation - M7 Speed - MINI

Features forged alloy steel sealed and permanently lubricated OEM style ball stud & socket ends for easy installation

Brand:
M7 Speed - Corporate Logo
ES#:
3098115
Mfg#:
10-510400
In Stock
ON SALE!
$159.99

This product was last offered at the strikethrough price on
08-31-2026

$151.77 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ER Series Coilover Suspension Kit

ES#3514535 - T-01-ER - ER Series Coilover Suspension Kit - Featuring 30 levels of adjustment and performance spring rates and valving with external reservoirs that makes the ER Series perfect for both daily drivers and track warriors who demand more! - BC Racing - MINI

Featuring 30 levels of adjustment and performance spring rates and valving with external reservoirs that makes the ER Series perfect for both daily drivers and track warriors who demand more! Please allow 4-6 weeks for build time

Brand:
BC Racing - Corporate Logo
ES#:
3514535
Mfg#:
T-01-ER
Ships on Oct 27, 2026
$1955.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Suspension Refresh Cup Kit/Coilover Installation Kit R50 R52 R53

ES#4056316 - 31306778833KT1 - Suspension Refresh Cup Kit/Coilover Installation Kit R50 R52 R53 - Everything you need to install coilovers, shocks/struts, or a cup kit on your MINI Cooper with the additional front main and rear control arms and bushings - Assembled By ECS - MINI

Everything you need to install coilovers, shocks/struts, or a cup kit on your MINI Cooper with the additional front main and rear control arms and bushings 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with production from 5/2003

Brand:
Assembled By ECS - Corporate Logo
ES#:
4056316
Mfg#:
31306778833KT1
Ships on Sep 25, 2026
Auto Notify
ON SALE!
$1960.08

This product was last offered at the strikethrough price on
08-10-2026

$1940.61 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Suspension Parts & Accessories

A good suspension holds you up, while keeping your tires safely planted on the road surface for good traction, braking, and handling. Even if you don't know jounce from rebound, we can help you choose suspension parts, accessories, and upgrades to match your car, driving style, and budget.

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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