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- Suspension
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Looking for coilovers that will provide reliability on street driven vehicles but are also capable of feeding your weekend track demon's desire for performance? BC Racing's BR Series coilover kit may be just the thing for you.
BR Series coilovers are the most popular and versatile option offered by BC racing, offering features such as 30-level dampening adjustment (simultaneous compression and rebound control), linear springs where possible, and a minimum of 2 inches ride height drop. To ensure performance, comfort, and quality, all BR Series kits are Dyno tested during the design stage to determine the best valving and spring rates, then installed and tested for a minimum of 6 months. This kit features mounts and brackets that are fully compatible with all stock mounting points and components.
The upper shock/strut mounts are all constructed of 6061-T6 Aluminum for strength and weight savings. BC Racing design 1 of 3 types of upper mounts for each vehicle: Caster/Camber Plates (+/- 3* camber), Camber Plates (+/- 3* camber), and Rubber Mount Plates (NVH reduction). The included mount option for this kit is shown in the kit specs and features below.
Lower shock mounts are powder coated for corrosion protection and constructed of either 6061-T6 aluminum that has been milled from a single piece (fork or bolt eye mount) or of STKM13C steel with all brackets welded robotically.
The included springs come in one of 3 styles: linear, S-barrel, and V-barrel. Linear springs are used in most applications unless limited by the OE design that does not allow the use of linear springs. All spring options are made from SAE9254 steel and have a zinc coating applied under the powder coating for increased spring corrosion protection and long term reliability.
All shock bodies used in the BR Series coilovers use a 53mm shock body (unless noted otherwise) for added strength, performance, and increased fluid capacity. All shocks are then powder coated black chrome for clean styling and corrosion protection.
Specs and Features:
Looking for coilovers that will provide reliability on street driven vehicles but are also capable of feeding your weekend track demon's desire for performance? BC Racing's BR Series coilover kit may be just the thing for you.
BR Series coilovers are the most popular and versatile option offered by BC racing, offering features such as 30-level dampening adjustment (simultaneous compression and rebound control), linear springs where possible, and a minimum of 2 inches ride height drop. To ensure performance, comfort, and quality, all BR Series kits are Dyno tested during the design stage to determine the best valving and spring rates, then installed and tested for a minimum of 6 months. This kit features mounts and brackets that are fully compatible with all stock mounting points and components.
The upper shock/strut mounts are all constructed of 6061-T6 Aluminum for strength and weight savings. BC Racing design 1 of 3 types of upper mounts for each vehicle: Caster/Camber Plates (+/- 3* camber), Camber Plates (+/- 3* camber), and Rubber Mount Plates (NVH reduction). The included mount option for this kit is shown in the kit specs and features below.
Lower shock mounts are powder coated for corrosion protection and constructed of either 6061-T6 aluminum that has been milled from a single piece (fork or bolt eye mount) or of STKM13C steel with all brackets welded robotically.
The included springs come in one of 3 styles: linear, S-barrel, and V-barrel. Linear springs are used in most applications unless limited by the OE design that does not allow the use of linear springs. All spring options are made from SAE9254 steel and have a zinc coating applied under the powder coating for increased spring corrosion protection and long term reliability.
All shock bodies used in the BR Series coilovers use a 53mm shock body (unless noted otherwise) for added strength, performance, and increased fluid capacity. All shocks are then powder coated black chrome for clean styling and corrosion protection.
Specs and Features:
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
06-13-2026
This product was last offered at the strikethrough price on
06-13-2026
This product was last offered at the strikethrough price on
06-13-2026
This product was last offered at the strikethrough price on
06-13-2026
This product was last offered at the strikethrough price on
05-03-2026
This product was last offered at the strikethrough price on
05-03-2026
Our sealed Monoball Rear Trailing Arm Bushings (RTAB) are the best solution for completely eliminating deflection and unwanted toe changes on the rear of the E36, E46, and Z4. While rubber and urethane bushings flex during load, the toe can change widely giving you nervous and unpredictable handling. These RTABs have a solid aluminum housing with a high-quality sealed OE bearing. These bushings were developed from years of competition use in various racing and HPDE events. There is simply no better RTAB unless your racing class rules prohibit the use of mono or spherical bearings.
The rear trailing arm bushings take a lot of abuse from acclerating, braking and cornering. The stock rubber bushings are just not up to the task of keeping rear wheel alignment in spec for very long, especially if you have upgraded to stickier tires and a better suspension. The pliable rubber flexes and twists which slows down reaction time and leaves you with a car that feels nervous and 'tail happy'. Urethane helps to control the alignment but issues with fitment, maintenance, and longevity keep us from recommending urethane on anything but a street car. We also offer a Delrin RTAB for cars that must conform to certain racing class rules. These sealed spherical bearings are the best at controlling rear toe alignment.
Our aluminum RTABs are very well made - high grade aluminum alloy and steel CNC'd out of a billet by an ISO 9001 certified manufacturer, each component is either hardcoated or nickel plated. While multiple manufacturers offer two piece designs, our research showed that a one piece bushing is a better design featuring a sealed bearing to keep contaminants out extending the life of the bearing.
Features:
Key Benefits:
Design Features:
Clickhere for installation instructions.
This item fits the following BMWs:
1992-1998 E36 BMW 318i 318is 318ic 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi M3
2003-2008 Z4 BMW Z4 2.5i Z4 3.0i Z4 3.0si Z4 M Roadster M Coupe
This product was last offered at the strikethrough price on
06-13-2026
This product was last offered at the strikethrough price on
06-13-2026
These adjustable rear links are only required when using sway bar / swaybars with a suspension with a very low ride height, where it may be necessary to adjust the length of the end links for proper sway bar clearance from the drive axles or other suspension components. These suspensions are usually found only on race cars but this may also apply to street cars with sport springs/sport coil overs that are lowered a lot. On most street cars lowered 1.5" or less, the stock links will be fine.
These end links feature a Heim joint, which allows enough lateral movement when disconnected to adjust the length of the link without removing the entire link from the car. This is particularly helpful when eliminating or adjusting preload while tuning the suspension. Similar links without this joint, can't be adjusted without totally removing the link from the car.
Built-in grease fittings allow for occasional lube, and a packet of grease is included. These links are sold as a set, and include two end links and hardware for H&R and TMS sway bars (other brands may not need the hardware).
At their shortest setting they are 2.875" hole to hole and on their longest setting they are 3.5" hole to hole.
*Note: these links will not work with factory or non-adjustable Eibach sway bars.
This product was last offered at the strikethrough price on
06-13-2026
This product was last offered at the strikethrough price on
06-13-2026
Stock rubber front control arm bushings are designed to allow significant fore/aft movement of the front wheels to help absorb road impacts. This soft flexible design maximizes daily driving comfort and helps to add the “luxury” feeling to your BMW, but it is far from ideal for the performance or racing enthusiast that is looking for optimal handling and braking performance. Being a bonded rubber bushing that is constantly twisting and deflecting when in use, stock rubber bushings really take a beating and often fail prematurely, resulting in further degraded handling, braking shimmy or even clunking felt under your feet.
In the past, the only upgrade option to improve handling of your E46 M3 was to replace the stock rubber with poly bushings, or delrin bushings that wear prematurely and are not serviceable or rebuild-able. While well-designed poly bushings can vastly improve handling characteristics and offer good road feel with minimal increase to NVH, they are still a compromise when it comes to ultimate handling and braking performance.
Introducing the new Turner Front Control Arm Spherical Bearings! The Turner engineering team set out to design a no-compromise solution that requires no modification and offers instantaneous cornering and braking response. Our control arm bearings utilize a unique grease-able spherical bearing that is both serviceable and replaceable, with integrated dust seals to help keep dirt and moisture out. This bearing offers considerable improvement in both precision and durability compared to other unsealed poly and delrin bushing inserts previously available, which can wear prematurely due to contamination. The bearing assembly utilizes the highest quality materials, precision machining quality, and components to ensure a perfect fit and longest lasting component life possible.
The result is the ultimate in terms of low friction, no binding, and no unwanted deflection, as well as exceptional steering precision, turn-in response, and direct braking feedback with minimal increase in NVH. These spherical bearings are a must have for any track car, but are also completely street-able and are a great upgrade for any enthusiast that enjoys spirited driving.
Features:
Bearing
Housing
Bearing Insert Arm adapter
Performance
Grease before installation and with each oil service with high quality Moly grease for maximum service life. Need a Grease tool?
This product was last offered at the strikethrough price on
06-13-2026
This product was last offered at the strikethrough price on
06-13-2026
A very common weak point on the 3 series BMW is the sheetmetal of the rear shock tower. The sheetmetal here is relatively thin and very susceptible to stress and fatigue. A worn out shock will bottom-out more often and this energy is transferred through the bump stop and into the metal chassis. Stiffer shocks and shock mounts also put more stress on the sheetmetal. Factor in age, mileage, and environmental conditions and it's not a surprise that we see shock tower failures often. BMW addressed this issue with reinforcements of their own but our's are thicker for additional strength. This kit mounts on top of the shock tower and can either be bolted or welded in place. Because of the shape of the rear shock tower, these do not fit cabrio/convertible cars.
This product was last offered at the strikethrough price on
06-13-2026
This product was last offered at the strikethrough price on
06-13-2026
TMS rear subframe bearings are designed to limit rear control arm movement relative to the subframe. The stock BMW subframe bushings are made out of rubber, which allows variance in suspension position due to deformation and compression. A race car needs to have all suspension points remain in place for proper setup. By using high grade aircraft aluminum alloy and high performance race bearings, the TMS bushing replacements are both lightweight and strong. The casing is designed so that if maximum motion occurs, the load will be evenly distributed throughout the casing. Our flanges are designed to spread the load on the subframe and limit movement. The bearing we use is an extra wide race bearing to distribute the load over a broader area. Each piece is anodized or nickel plated to withstand corrosion. These bushings are a perfect compliment to the TMS lower camber arms.
This product was last offered at the strikethrough price on
06-13-2026
This product was last offered at the strikethrough price on
06-13-2026
These camber plates are perfect for the enthusiast owner who wants a high quality design with a motorsports background. Knowing a full race kit on the street is not often the best option, we took the best features from the Race Camber Plates and incorporated them into a fresh Street design -
The Turner E46 M3 Street Camber Plates are the most advanced design on the market. These are designed specifically for the E46 M3 - no shortcuts or cookie-cutter components. We started with a fresh design to make these very user friendly and easy to install and set up. The E46 M3 front suspension has unique geometry and the strut is mounted at an angle that can put significant side loading on the strut shaft if it's not located properly. The location and angles for the main bearing were carefully engineered to allow the proper motion ratio and strut angles during adjustment. This greatly reduces bending forces on the strut itself which improves performance and longevity. By designing for one chassis we're able to focus on what works best in that application - proper fitment and operation without unnecessary adapters, easy-to-use camber and caster adjustments, and an intelligent modular design.
For street use we added a pliable urethane bushing to absorb vibration and a special base design that works with the factory radial bearing and spring perch. The radial bearing allows the spring to rotate instead of twisting and binding. By re-using the factory radial bearing we can keep the assembled stack height lower for maximized shock travel. It's also a commonly-available item that you can get from any BMW dealer at a low price. All of the things that make it work well in the factory application carry over to our design. You can use our camber plates with a stock sized spring, 60mm, or 2.5" springs. Use your stock spring perch/bearing with stock-sized springs. The 60mm and 2.5" upper spring perches are sold separately. The beauty of our design is that you can use the factory radial bearing with any of these springs.
Another important feature of the Turner Camber Plates is the size of the upper plate. Our plates have a very large surface area to better spread strut forces through the strut tower. A smaller upper plate, like those found on competitor's kits, will localize strut forces and contribute to strut tower deformation ('strut tower mushrooming'). This is a very important feature especially as these cars get older and spend more time on the track. Deformed strut towers are a serious performance and safety concern and our camber plates are properly designed to handle the loads. The factory strut reinforcement plates are not required with our camber plates (but you can use them if you want to).
Since this design is specific to the E46 M3, we can build it with the bare minimum of adapters and extra hardware. This not only cuts down on confusion but makes it easier to assemble and operate. We use the correct-sized bearing for the 16mm strut shaft; no sleeves or bearing adapters required. The original tapered lower mount support and a small stainless steel spacer from our kit are all that's required to install. We have used our camber plates with most of the major strut manufacturers on the market - stock Sachs/Boge, Bilstein, Koni, H&R, ST, and KW. Our camber plates work with any strut that is designed to accept the factory strut mount.
Click here for installation instructions.
This item fits the following BMWs:
2001-2006 E46 BMW M3
This product was last offered at the strikethrough price on
05-03-2026
This product was last offered at the strikethrough price on
05-03-2026
One of the tricks for getting your BMW to handle better is to add negative camber to the front wheels. This will put more of the tire's width in contact with the ground during cornering. With more rubber there is more grip. BMWs typically have less camber in the front to create understeer. But if you're running a stock setup on the track or autocross you are giving up speed and time as the front tires run out of grip sooner than they should.
These E46 fixed camber plates are designed from knowledge gained from our highly successful racing campaigns with the E46 in the Speed World Challenge series. These plates are offset for the best camber and caster combination for racing purposes when using the stock-diameter sized springs. Camber increases to between -2.5° to -3.0°, depending on each individual car. While ride height is increased by 1/4", the benefit of these plates far outweighs the minor ride height increase. The rate of camber change is virtually unaffected throughout the range of suspension travel, reducing the need for other geometry correction. Material has also been added to increase surface contact area therefore reducing the strut tower deformation and increasing the strength of the strut towers. Fixed mount camber plates are legal in many racing and autocross classes. These are the perfect camber solution when adjustable plates are not allowed in your class. These are a simple bolt on part for all E46 except the xi and M3 models.
Instructions for Turner E46 Front Fixed Camber Plates
This item fits the following BMWs:
1999-2005 E46 BMW 323i 323ci 325i 325ci 328i 328ci 330i 330ci
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 product was last offered at the strikethrough price on
06-13-2026
This product was last offered at the strikethrough price on
06-13-2026
The rear subframe is the heart of the BMW rear suspension. Not only do all of the suspension arms attach to it, the driveline runs through it via the differential and half-shafts. Therefore, a track-prepped E46 should never see any flex or deflection in any of the subframe mounts. Excessive movement here transfers to unwanted suspension motions elsewhere and is also a major contributor to failures in the rear floor sheetmetal.
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 product was last offered at the strikethrough price on
06-13-2026
This product was last offered at the strikethrough price on
06-13-2026
Our renowned TMS adjustable front sway bar / swaybar links for BMWs are now available in custom lengths, making them easy to order for any aftermarket or custom suspension setups. Simply measure for your ideal link length, and order the links with the best length range (below). Each sway bar link has a 10mm diameter mounting pin/stud, which is the typical factory/stock size for a universal fitment. These are sold by the pair, and each set includes two matching sway bar end links.
These end links offer the quiet operation and long life of "stock" BMW end links, but with the strength and adjustability of rod-end style sway bar links. These sway bar links can be used on a wide variety of BMWs and aftermarket BMW suspensions. When measuring, please consider that the length ranges of our Custom Adjustable end links are measured from the center to center on the end link mounting stud / pin, as shown in our diagram.
Note for E9X M3: the unique mounting on the M3 strut requires a set of our adapter seats (#TSU9912AF9). You can add them with your links from the menu below.
TMS Part#Center to Center (mm)Center to Center (inch)
TSU9912A35155.00mm - 170.00mm6.10" - 6.69"
TSU9912A40170.00mm - 185.00mm6.69" - 7.28"
TSU9912A45180.00mm - 195.00mm7.08" - 7.67"
TSU9912A50190.00mm - 205.00mm7.48" - 8.07"
TSU9912A55207.00mm - 222.00mm8.15" - 8.74"
TSU9912AF1220.00mm - 235.00mm8.66" - 9.25"
TSU9912A70240.00mm - 255.00mm9.45" - 10.04"
TSU4612AF3250.00mm - 265.00mm9.84" - 10.43"
TSU9912A80261.00mm - 276.00mm10.28" - 10.87"
TSU5012AF8280.00mm - 295.00mm11.02" - 11.61"
TSU9912A95290.00mm - 305.00mm11.42" - 12.00"
TSU9912110320.00mm - 335.00mm12.59" - 13.19"
TSU9912115330.00mm - 345.00mm12.99" - 13.58"
TSU9912130362.00mm - 377.00mm14.25" - 14.84"
TSU9912135370.00mm - 385.00mm14.57" - 15.16"
TSU9912140381.00mm - 396.00mm15.00" - 15.60"
TSU9912145389.00mm - 404.00mm15.31" - 15.91"
Please select your length below.