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Coilover Systems
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This product was last offered at the strikethrough price on
06-14-2026
This product was last offered at the strikethrough price on
06-14-2026
This brand new BMW Coilover line from ECS Tuning was designed with daily drivers in mind! Their focus was to improve on the performance and look of the suspension, without forgoing any comfort. Like many of the top tier coilovers, these coilovers feel as smooth and comfortable as a stock setup, while giving you an aggressive look and vastly improved handling, all at a fraction of the price!
The ECS Tuning Performance Coilover System provides a sport-tuned, height, damping, and body adjustable suspension with substantial performance benefits using high-quality materials and coatings to replace your worn suspension, all while giving your vehicle that perfect ride height!
Spring Rates: Front is 8kg/mm, Rear is 12kg/mm
PERFORMANCE FEATURES
32 levels of rebound damping adjustment Adjustable damping, monotube shocks/struts paired with optimized progressive rate coil springs gives your vehicle road-sticking grip with reduced body roll for exceptional confidence in your vehicle's handling. With your vehicle's new, lower ride height the center of gravity is now moved lower, further improving handling performance Adjustable front bodies allow you to set the ride height while maintaining correct spring pre-load Adjustable front and rear bodies allow the shock to operate in the correct valving range, regardless of ride height PRODUCT DESIGN
Strut and shock bodies finished with a durable gloss black powder coat for good looks and great longevity Threaded portions are clear zinc-coated for optimum corrosion protection against rain and salt Coil springs are powder-coated Reflex Silver Metallic finish for durability Red anodized, billet aluminum lower spring seats with locking collars allow for quick, on-the-car, adjustability with the included spanner wrenches Integrated bump stops KIT CONTENTS
ECS Performance Adjustable Coilover System - E9X (RWD) Front Suspension Installation Hardware: Strut Mount Gasket - 31306772226 (2) Spindle Pinch Bolt - 33326760346 (2) Spindle Pinch Nut - 33326760668 (2) Strut Rod to Cowl External Torx-Head Bolt - 07146954965 (1) Strut Rod to Strut Tower External Torx-Head Bolt - 07146963730 (2) Rear Suspension Installation Hardware: Lower Control Arm Nut - 33306760349 (4) Lower Shock Mount Bolt - 33526764406 (4) Lower Shock Mount - 33526768544 (2) Upper Shock Mount (Upper) - 33506771737 (2) Upper Shock Mount (Lower) - 33506771738 (2) Upper Shock Mount Sealing Grommet - 33506767010 (2)
This product was last offered at the strikethrough price on
08-14-2026
This product was last offered at the strikethrough price on
08-14-2026
Take total control of your E36's handling with the ECS Performance 2-Way Adjustable Coilover System. Built specifically for track use, this system bridges the gap between standard off-the-shelf coilovers and full-fledged motorsport suspension. These coilovers feature independent compression and rebound controls supported by external reservoirs; unlocking the precision tuning needed to shave seconds off your lap times.
Traditional 1-way coilovers force a single adjustment knob to balance both bump and rebound. These 2-way dampers eliminate that trade-off with fully independent compression and rebound controls. Use the 32 levels of compression adjustment to control front weight transfer under heavy braking, maximizing entry grip and allowing you to trail-brake deep into corners without understeer. 22 rebound levels fine-tune chassis recovery on brake release, keeping the front tires loaded through the apex for faster power-on exit speeds.
To maintain consistent performance during extended periods of performance driving, these dampers feature dedicated external fluid reservoirs that significantly increase total gas volume. During rigorous track use, rapid piston movement generates intense friction and heat, causing standard damper oil to thin out, aerate, and lose its damping force. By increasing overall fluid capacity, the external reservoirs effectively dissipate heat to keep peak oil temperatures down.
Bilstein has teamed up with Eibach to offer matched shock and spring packages. These Eibach springs are mated to a special set of Bilstein shocks to deliver a sporty and taut ride with as little impact on ride comfort as possible.
The Pro Kit uses an Eibach Pro Kit spring with Bilstein's Sport shocks and struts. Instead of taking parts from different manufacturers, Bilstein has tested the performance of the Eibach spring and tailored their shocks to be a true match for the new spring rate and ride height. This is known as a matched shock and spring and very few tuning companies take these extra steps. Eibach springs tend to be softer overall than most other aftermarket springs, which ensures the ride stays close to a stock comfort while still giving you a lowered stance and improved handling.
Bilstein B12 Features:
Most cars don't need coil overs to improve their handling and bodyroll. For most drivers, simply replacing the shocks and springs with performance versions will meet their goals. If your shocks need replacing, and you felt the handling could be improved a little bit, this is an excellent performance suspension for you.
This item fits the following BMWs:
1994-1999 E36 BMW 325i, 328i, 323i
Bilstein has teamed up with Eibach to offer matched shock and spring packages. These Eibach springs are mated to a special set of Bilstein shocks to deliver a sporty and taut ride with as little impact on ride comfort as possible.
The Sportline kit uses an Eibach Sportline spring with Bilstein's Sport shocks and struts. Instead of taking parts from different manufacturers, Bilstein has tested the performance of the Eibach spring and tailored their shocks to be a true match for the new spring rate and ride height. This is known as a matched shock and spring and very few tuning companies take these extra steps. Eibach Sportline springs are more aggressive than Pro-Kit springs, which tend to be softer overall than most other aftermarket springs, but still ensures ride quality stays close to stock comfort while still giving you a much more aggressive lowered stance and significantly improved handling.
Bilstein B12 Features:
Most cars don't need coil overs to improve their handling and bodyroll. For most drivers, simply replacing the shocks and springs with performance versions will meet their goals. If your shocks need replacing, and you felt the handling could be improved a little bit, this is an excellent performance suspension for you.
This item fits the following BMWs:
1992-1999 E36 BMW 325i 328i 323i
Bilstein has teamed up with Eibach to offer matched shock and spring packages. These Eibach springs are mated to a special set of Bilstein shocks to deliver a sporty and taut ride with as little impact on ride comfort as possible.
The Pro Kit uses an Eibach Pro Kit spring with Bilstein's Sport shocks and struts. Instead of taking parts from different manufacturers, Bilstein has tested the performance of the Eibach spring and tailored their shocks to be a true match for the new spring rate and ride height. This is known as a matched shock and spring and very few tuning companies take these extra steps. Eibach springs tend to be softer overall than most other aftermarket springs, which ensures the ride stays close to a stock comfort while still giving you a lowered stance and improved handling.
Bilstein B12 Features:
Most cars don't need coil overs to improve their handling and bodyroll. For most drivers, simply replacing the shocks and springs with performance versions will meet their goals. If your shocks need replacing, and you felt the handling could be improved a little bit, this is an excellent performance suspension for you.
This item fits the following BMWs:
2008-2013 E82 BMW 128i
This product was last offered at the strikethrough price on
07-08-2026
Take total control of your E46's handling with the ECS Performance 2-Way Adjustable Coilover System. Built specifically for track use, this system bridges the gap between standard off-the-shelf coilovers and full-fledged motorsport suspension. These coilovers feature independent compression and rebound controls supported by external reservoirs; unlocking the precision tuning needed to shave seconds off your lap times.
Traditional 1-way coilovers force a single adjustment knob to balance both bump and rebound. These 2-way dampers eliminate that trade-off with fully independent compression and rebound controls. Use the 32 levels of compression adjustment to control front weight transfer under heavy braking, maximizing entry grip and allowing you to trail-brake deep into corners without understeer. 22 rebound levels fine-tune chassis recovery on brake release, keeping the front tires loaded through the apex for faster power-on exit speeds.
To maintain consistent performance during extended periods of performance driving, these dampers feature dedicated external fluid reservoirs that significantly increase total gas volume. During rigorous track use, rapid piston movement generates intense friction and heat, causing standard damper oil to thin out, aerate, and lose its damping force. By increasing overall fluid capacity, the external reservoirs effectively dissipate heat to keep peak oil temperatures down.
Factory Pre-set Damping
The Variant 1 is KW's basic simple and effective coil over kit that is still packed with lots of features -
This is the ideal coil over kit for a 5-series owner who does not plan on tracking or autocrossing the car and just wants a lower, more aggressive stance and better handling. KW has set the shock damping rates to be an excellent balance for a smooth yet taut ride, and to resist bodyroll motions for better handling. The Variant 1 differs from the Street Comfort set in that it has stiffer springs and revised shock settings. If you want a sportier ride and better handling than stock the Variant 1 is an excellent choice.
Coil over suspensions are better engineered suspension options compared to a standard shock + spring package. Since the springs and shocks in a coil over are designed by a team of engineers to work together, there is much better suspension travel and more precisely tuned specifications for spring and shock rates. Using separate shock and spring specs may result in premature coil bind or shock bottoming. And most coil over kits offer more features than the traditional packages. Coil overs are also more useful when larger wheels/tires are used because you can precisely set the ride heights to clear the new tires.
Fitment Note: Wheel spacers may be required depending on wheel/tire sizing and ride height setting.
Cars with the factory EDC electronic adjustable shocks must have the system disabled with the optional KW EDC Cancellation Kit (or similar). This is a direct fit for cars without EDC.
Lifetime warranty!
FREE FEDEX GROUND SHIPPING!
FREE FEDEX GROUND shipping within the 48 contiguous states.
This item fits the following BMWs:
2011+ F10 BMw 528i 535i 550i
2009+ F01 BMW 740i 740li 750i 750li
Not for cars with Adaptive Drive.
Adjustable Rebound Damping, Sport Comfort Springs
Is your sport suspension kit is too hard for you? Do you want a sporty yet dynamic suspension while retaining ride comfort? With street comfort suspension KW offers you the solution, you can create that sportive look while keeping as much comfort as possible. Long trips on the highway will be a pleasure; fun can be had on county roads.
KW street comfort – The most individual sport suspension with maximum comfort
With the individual height adjustable KW street comfort coilover kit a lowering of 10-40mm can be realized, depending on the vehicle. This way the customer has the flexibility to improve the look, with consideration of bigger wheels and tires. At the same time the lowering has a positive effect on the driving dynamics and road contact. With discreet but effective lowering more spring travel will be left to combine a comfortable spring with harmonic damper, this way the best driving comfort is guaranteed. With this product KW offers the perfect compromise of driving dynamic and driving comfort.
FREE FEDEX GROUND SHIPPING!
FREE FEDEX GROUND shipping within the 48 contiguous states.
This item fits the following BMWs:
2006-2012 E90 BMW 325i 328i 330i 335d 335i - Sedan
2007-2013 E92 BMW 328i 335i 335is - Coupe
Adjustable Rebound Damping
The KW Variant 2 gives shock rebound control to give you more options in fine-tuning the handling of the car. The V2 includes the same features of the V1 kit, including -
This kit is an excellent compromise between a fully-adjustable V3 suspension and the basic V1 street kit. It's great for someone who does not want to make complicated and time-consuming shock adjustments. Just dial in the rebound for more grip and less body motions. Set it back for a compliant street ride.
Coil over suspensions are better engineered suspension options compared to a standard shock + spring package. Since the springs and shocks in a coil over are designed by a team of engineers to work together, there is much better suspension travel and more precisely tuned specifications for spring and shock rates. Using separate shock and spring specs may result in premature coil bind or shock bottoming. And most coil over kits offer more features than the traditional packages. Coil overs are also more useful when larger wheels/tires are used because you can precisely set the ride heights to clear the new tires.
Fitment Note: Wheel spacers may be required depending on wheel/tire sizing and ride height setting. Not for cars with the factory EDC system.
Lifetime warranty!
FREE FEDEX GROUND SHIPPING!
FREE FEDEX GROUND shipping within the 48 contiguous states.
This item fits the following BMWs:
2011+ F10 BMw 528i 535i 550i without EDC
2009+ F01 BMW 740i 740li 750i 750li
Not for cars with Adaptive Drive.
Adjustable Rebound & Compression Damping
State-of-the-art technology from motor sports for more performance on the road for your E53 X5 3.0i 4.4i 4.6is or 4.8is. The separate and independently adjustable rebound- and compression damping allows for an individual suspension setup for different uses and preferences. The unique patented system with its two-stage valves allows a rebound damping adjustment (comfort) and a compression adjustment (driving dynamics) in the low-speed range while the high-speed range which controls the driving safety, is fixed.
Not for cars with Self Leveling Suspension.
FREE FEDEX GROUND SHIPPING!
FREE FEDEX GROUND shipping within the 48 contiguous states.
This item fits the following BMWs:
2000-2006 E53 BMW X5 3.0i X5 4.4i X5 4.6is X5 4.8is