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BMW Suspension Parts

Suspension

Your BMW's handling is determined by the capabilities and age of your suspension components. Our selected aftermarket performance suspension like coilovers, lowering springs, cup kits, and dampers can improve the handling of your BMW dramatically. With those upgrades comes the needs for proper adjustment; our recommended supporting modifications comes stiffer sway bars, bushings, and adjustable camber/caster plates, to name a few found on this page. Completely build your suspension for the most competitive BMW driving experience, achieve your perfect look, or simply replace your worn suspension with our recommended parts.

AC Schnitzer Suspension Kits

AC Schnitzer Sport Suspension is engineered to blend seamlessly with your BMW's chassis and suspension components to deliver superior handling and style without sacrificing ride quality. Schnitzer's suspension kit is designed with precision to improve overall suspension geometry. The springs are slightly stiffer than stock and fine tuned to reduce body roll, without sacrificing driving comfort. A stiffer suspension makes the car more fun to drive, while the lower ride height improves the looks by reducing wheel gap. A great addition to enhance any suspension!

This category contains parts that fit the following chassis:

AST Suspension

With their race-proven quality and performance, AST Suspension is one of Turner Motorsport’s recommended choices. Outfit your weekend warrior or track dedicated BMW with a suspension designed for optimum performance and adjustable to fit your driving style precisely. Their suspension ranges from street performance to competitive track use. All AST suspension for supported BMWs can be found on this page.

Bilstein PSS PSS9 PSS10 Coil Over Suspensions

The Bilstein PSS family of coil overs feature German-engineered suspension designs for the aggressive and enthusiastic BMW driver. Bilstein PSS, PSS9, and PSS10 coilovers combine their patented and celebrated monotube shock technology with individual height adjustments to create a user-customizable ride and handling package. Bilstein Clubsport suspensions are for the committed track enthusiast who wants a cutting-edge, proven suspension for racing and open track events.

Bilstein Coil-Overs provide you with an exceptional blend of ride and handling with the added feature of height and dampening adjustability. With coilovers from Bilstein you get shocks and springs that are engineered together. The result is incredible handling with ride that is tuned for the street. Forget the notion that coil overs are only to be used in racing - they are now the perfect package for your streetcar.

Bilstein PSS: height adjustable, street use
Bilstein PSS9: 9-position dampers, height adjustable, street/track use
Bilstein PSS10: 10-position dampers, height adjustable, street/track use
Bilstein B16 RideControl: EDC 2-position dampers, height adjustable, street/track use
Bilstein Clubsport: 10x10-position motorsport dampers, height adjustable, track use

Camber / Caster Kits

The camber setting in your alignment is one of the most crucial aspects of your suspension and the overall driving experience. Unfortunately, most BMWs do not have a camber adjustment in the front and a limited adjustment in the rear. This can be frustrating because camber comes into play whenever you make changes to the suspension or when you want more negative camber for more grip and better handling. There are multiple reasons to adjust camber -

• You want more front end grip to reduce understeer and create a more balanced handling scenario,
•  You have lowered the car and need to reduce negative camber due to inside tire wear
•  You added wider tires or wheels and need extra clearance to bodywork,
•  Your car was in an accident or collision and the camber setting is now wrong. Note: there may be other factors to this situation and we recommend finding the root cause rather than a quick-fix.

We offer front fixed or adjustable camber plates or camber/caster plates, rear adjustable camber arms, and rear adjustable camber bushings from KMAC, Vorshlag, and also our own designs to fit your specific needs. In most cases, these adjustable camber kits are a direct replacement for the stock BMW part, enabling a seamless upgrade. Adjustable camber can be dialed-in using ordinary hand tools and most kits have reference marks for consistent and repeatable adjustments. No drilling, slotting, or welding required! Some kits perform specific functions and fit with specific types of suspensions (stock, stock-type, coil-over, etc). Give us a call if you need guidance in selecting the best camber plate option for your particular suspension or situation.

CATuned Coilover Kits

CATuned offers ride control solutions for an incredible range of BMWs, providing one of the only complete coilover systems, including hubs, for the E30. Their street coilover systems are excellent for giving your BMW the perfect stance and precise handling you would expect from a sport-tuned German performance car.

Chassis Reinforcement Kits & Parts

Made in the USAAs much of an "Ultimate Driving Machine" it is, many BMW models unfortunately suffer from weak points in the chassis. Over the years we have uncovered many weak or failure-prone areas in the chassis and have developed our own reinforcing solutions for them. And we continue to be the leading experts on BMW chassis reinforcing. Failures can come from a number, or combination, of causes: improper maintenance, age and mileage, poor design, environmental factors, poor repair work, and over-stressing modifications. The longer you let your car go without repairing or reinforcing these areas, the closer it gets to crumbling apart. Our chassis reinforcement kits are designed to first identify potential weak points and then strengthen and reinforce the existing design.

Most of our kits are not labor intensive although welding is usually required. If you suspect your chassis may have structural problems we recommend taking it to a well-known bodyshop or restoration shop. (find out who your local BMW dealer uses - we sell many of our kits to dealer-authorized repair shops). Making the preventative fix simple and effective is better than a long and complicated repair after the failure. Our kits are not usually used for fixing existing damage (only your body shop can determine the correct course of action). But our kits have been proven under extreme conditions on racetracks around the world to prevent many of the costly - and dangerous - chassis problems.

Coil Over Spring Hardware

Coil over suspensions consist of a spring mounted on the strut or shock body. The springs sit or are located by seats on the bottom and hats on the top. This is a similar arrangement as a stock strut but coil overs use a smaller diameter spring and the strut body is usually threaded for height adjustment. The top of a strut can also vary by manufacturer with the uppermost shock stem being manufactured in different ways that require special hardware. Our selection of spring seats, lock rings, and top hats has all been designed for use on various BMW coil over suspensions. Here you can find replacement parts for existing coil over kits and other spring hardware to complete your setup.

Control Arm Replacements & Upgrades

Control arms, and their integrated ball joints, are some of the most crucial components on a BMW suspension. The control arms literally control the wheel and suspension as they go through their range of motions. They do more than just keep the alignment in a constant spec - they are a vital locating component for the suspension itself. A faulty or worn control arm or ball joint is a very dangerous and potentially life-threatening problem so make sure they are inspected and replaced at regular intervals.

Most control arms for BMWs consist of an inner and outer ball joint made of plastic, rubber, Delrin, or metal and covered in grease with a rubber boot to seal it from the outside. The ball joint rotates and spins as the control arm goes through its movements and that will wear the ball joint and make it loose. The grease inside the housing can also get used up, evaporate, or become contaminated from moisture and foreign particles. As the ball joint becomes worn it can result in excess movement within the housing. Your steering and handling will become less precise and there is usually a light clunking or clicking sound. In rare and extreme cases the ball joint can separate from the control arm completely, leading to a total loss of suspension and steering control. You should have the ball joint play checked annually and replace them every 3-4 years. Most track organizations will not allow a car if they are older than three years.

Control arms also take abuse from impacts and handling forces. Aluminum control arms will generally bend and prevent an accurate alignment. Steel control arms will crack and fracture and require close inspection annually and replacement every 3-4 years.

We sell OE BMW, OEM, and performance upgrade control arms from proven manufacturers. The control arm is so important to a BMW suspension that we insist on only top quality brands and designs and will never sell a control arm based on price alone. We also have upgrade packages with superior designs and better bushing options and we have bundled these together with valuable package savings.

Dinan Coilover Spring Kits

Dinan Adjustable Spring Sets allow the ride height to be fine-tuned even with stock shocks. This gives you the ability to keep your stock shocks (even EDC) but lower the ride height and set the perfect stance. This is hugely beneficial when using larger wheels and tires where a standard spring drop will not give you the look you desire. Dinan coil over springs include a threaded collar that fits over the stock strut body in the front and an adjustable perch in the rear. New progressive bump stops are also included to maintain the proper shock travel. This kit is great for fine tuning your ride height while retaining the factory EDC system.

This category contains parts that fit the following chassis:

Dinan Performance Springs

Dinan Performance Springs are matched to your BMW's chassis and suspension components to deliver better handling and looks without sacrificing ride quality. Dinan BMW springs are carefully engineered to work within your car's suspension travel and to improve suspension geometry. Spring rates are slightly stiffer than stock and dialed in to reduce bodyroll. A stiffer suspension makes the car more fun to drive and the lower ride height improves the looks by reducing wheel-fender gap.