Turner Motorsport BMW Suspension Parts

Whether you need a camber change or you are looking for more adjustment with your camber plates, you can change your camber by shimming the strut and spindle with the TMS bolt kit. There are some things to take into account with this kit so please read the installation tips below. An alignment is strongly recommended after installing this kit.

Click here for installation instuctions.

This item fits the following BMWs:
1992-1998 E36 BMW 318i 318is 318ti 318ic 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1997-2002 Z3 BMW Z3 1.9 Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i M Roadster M Coupe
2006-2008 E85 E86 BMW Z4 M Roadster M Coupe

Rear Axle Carrier Panel (RACP) failure is a well-documented issue that plagues all BMW E46 models. Due to thin sheet metal mounting, the forces applied during cornering, acceleration, and braking create stress fractures in the carrier panel, resulting in large cracks or breaks that risk the structural integrity of your chassis. To fix this issue, many enthusiasts opt to install weld-in reinforcement plates on the underside of the RACP. While this remedies the formation of additional stress cracks and adds rigidity to failure-prone areas, it does not prevent the entire carrier panel from flexing during high-performance driving.

Our all-new Rear Subframe Reinforcement Brace is engineered to add structure to the E46's rear chassis under high-stress conditions, eliminating the common weak points in the RACP while providing the confidence you need for performance driving. Don't let chassis flex limit your car’s potential—upgrade your E46 with the Turner Motorsport Rear Subframe Reinforcement Brace today!

How It Works:

During performance driving, the Rear Axle Carrier Panel (RACP) must react the forces of longitudinal and lateral accelerations. During forward acceleration, the differential transmits torque through the subframe to the RACP, forcing the rearmost subframe mounting points downward. This downward movement flexes the carrier panel, reducing its ability to handle torque efficiently. By linking the rearmost subframe mounting points to the rear shock towers, downward flex is restricted, resulting in improved torque transfer and stability. Alternatively, high-grip cornering generates lateral acceleration (side-to-side) forces across the RACP. Similar to how a rear strut brace functions, connecting the rear shock towers helps to counteract these forces. Adding the subframe to this connection further reduces lateral loads, eliminating side-to-side flex and enhancing overall stability.

Features & Design:

Four-Point Triangulated Structure: Links the rearmost subframe mounting locations to both rear strut towers for superior load distribution. Enhanced Stability: Reduces lateral and longitudinal RACP flex during acceleration, braking, and cornering. Improved Torque Transfer: Minimizes downward flex of the RACP, ensuring efficient power delivery for enhanced driveability. High-Performance Durability: Heavy-duty steel tube construction ensures lasting support during spirited driving, track use, and for vehicles with increased power output. Blue Powdercoat Finish: Offers fantastic corrosion resistance, protection from scuffs and scratches, and a stylish appearance that is sure to complement your performance-centric E46. Underside Reinforcement Compatibility: Designed to work seamlessly alongside our underside RACP reinforcement plates (TDR4675412, T#91). Kit Includes:

Rear Subframe Brace Extended-Length Drill Bit (1/4", 12" Overall Length) High-Speed Drill Bit (12.5mm, 152mm Overall Length) Drill Bit Guide Extended Subframe Bolts Zinc-Plated Steel Hex Nut (2) Installation & Support:

Need installation tips? Our team has assembled a guided start-to-finish installation tutorial, including detailed instructions on drilling and cutting your trunk floor panel for perfect fitment. Click HERE for Installation Instructions.

BMW’s are known to have failure prone front thrust arm bushings.  The flexible rubber bushings, even those found in M performance models, allow significant movement of the front wheels to maximize daily driving comfort, but also allow considerable alignment change.  This results in a disconnected and numb road feel, standing between you and a confidence inspiring driving experience.  Eventually the fluid filled rubber bushings fatigue and crack due to continual deflection and ozone degradation, and eventually the damping fluid leaks out resulting in complete failure. 

For the enthusiast looking for superior performance and longevity with a crisp, confidence-inspiring driving experience, our sealed ball joint monoballs are the best solution available!  Our experience with spherical front control arm ball joints go back to those we designed and used in our IMSA E90 328i and E92 M3 racecars (GS class Champions in 2011).  We wanted to offer E31, E32, E34, E38, E39, E53, E60, E63, E64, and E83 owners similar levels of handling precision and control for the track and street. 

The bearing housing is precision CNC machined from 6061-T6 anodized aluminum and features a knurled OD to ensure a perfect press fit, and utilize a sealed OEM BMW ball joint for exceptional quality and durability, making them completely at home on both the street and track with no compromise.  We have done extensive street, autocross, and track testing to ensure the ball joint used in this bushing design excels in each setting.  The advantage of a sealed ball joint is that it eliminates all unwanted deflection while still allowing complete bind-free movement throughout suspension travel, resulting in exceptional control of wheel alignment.  What you get is superior steering precision, turn-in response, direct braking feedback, and better handling.

In short, if you're seeking the ultimate in precise, predictable handling and control, with crisp braking response and a long service life that’s equally at home on the street or track - look no further. We have you covered.

Features:

Bearing housing

• Precision CNC machined from 6061-T6 blue anodized aluminum
• Knurled OD to provide the perfect fit for the wide range of thrust arm bore diameters among brands.
• CNC machined 304ss ball joint sleeve inserts, providing a precision fit between the ball joint and the subframe. 

Bearing

• OEM BMW sealed and greased ball joint for exceptional durability and service life.

Performance

• Nearly instantaneous, crisp steering and braking response.
• Maintenance free, long lasting performance. 
• Improved road feel without undesirable NVH.

This item is an upgrade to the following BMWs: 
2004-2010 E83 X3 X3 2.5i, X3 3.0i, X3 3.0si, X3 xDrive30i
2000-2006 E53 X5 X5 3.0I, X5 4.4i, X5 4.6is, X5 4.8is
1997-2003 E39 5 series 540i, 540iT (sedans and touring wagon) 
2000-2003 E39 M5 sedan 
1995-2001 E38 7 series 740i, 740iL 
1995-2001 E38 7 series 750i, 750iL 

BMW’s are known to have failure prone front thrust arm bushings.  The flexible rubber bushings, even those found in M performance models, allow significant movement of the front wheels to maximize daily driving comfort, but also allow considerable alignment change.  This results in a disconnected and numb road feel, standing between you and a confidence inspiring driving experience.  Eventually the fluid filled rubber bushings fatigue and crack due to continual deflection and ozone degradation, and eventually the damping fluid leaks out resulting in complete failure. 

For the enthusiast looking for superior performance and longevity with a crisp, confidence-inspiring driving experience, our sealed ball joint monoballs are the best solution available!  Our experience with spherical front control arm ball joints go back to those we designed and used in our IMSA E90 328i and E92 M3 racecars (GS class Champions in 2011).  We wanted to offer E31, E32, E34, E38, E39, E53, E60, E63, E64, and E83 owners similar levels of handling precision and control for the track and street. 

The bearing housing is precision CNC machined from 6061-T6 anodized aluminum and features a knurled OD to ensure a perfect press fit, and utilize a sealed OEM BMW ball joint for exceptional quality and durability, making them completely at home on both the street and track with no compromise.  We have done extensive street, autocross, and track testing to ensure the ball joint used in this bushing design excels in each setting.  The advantage of a sealed ball joint is that it eliminates all unwanted deflection while still allowing complete bind-free movement throughout suspension travel, resulting in exceptional control of wheel alignment.  What you get is superior steering precision, turn-in response, direct braking feedback, and better handling.

In short, if you're seeking the ultimate in precise, predictable handling and control, with crisp braking response and a long service life that’s equally at home on the street or track - look no further. We have you covered.

We offer these thrust arms with the monoball bushings pre-installed for your convenience. Since BMW recommends the control arms be replaced for every other bushing change, we prefer to sell these as a pre-assembled set. The bushings are also available separately if you wish to source your own control arms.

Features:

Bearing housing

• Precision CNC machined from 6061-T6 blue anodized aluminum
• Knurled OD to provide the perfect fit for the wide range of thrust arm bore diameters among brands.
• CNC machined 304ss ball joint sleeve inserts, providing a precision fit between the ball joint and the subframe. 

Bearing

• OEM BMW sealed and greased ball joint for exceptional durability and service life.

Performance

• Nearly instantaneous, crisp steering and braking response.
• Maintenance free, long lasting performance. 
• Improved road feel without undesirable NVH.

Sold as a pair for RWD models only.

Click here for installation instructions.

This item fits the following BMWs:
2008-2012 E82 BMW 128i 135i 1M Coupe
2006-2011 E90 BMW 325i 328i 330i 335d 335i M3 - Sedan
2006-2012 E91 BMW 328i - Wagon
2007-2013 E92 BMW 328i 335i 335is M3 - Coupe
2007-2013 E93 BMW 328i 335i M3 - Convertible
2009+ Z4 BMW Z4 sDrive28i Z4 sDrive30i Z4 sDrive35i Z4 sDrive35is

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.

Our E90 E92 E93 fixed camber plates are designed from the knowledge we gained from our highly successful racing campaigns with the E46 in the Speed World Challenge series. Our camber plates are offset for the best camber and caster combination for racing purposes when using the stock-diameter sized springs. Camber increases to -2.5° depending on your individual suspension setup, while only increasing ride height by 6mm. The rate of camber change is virtually unaffected throughout the range of suspension travel, reducing the need for other geometry correction. 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 very simple to install, requiring only pressing out locator dowels and studs in your factory strut mounts. See below for detailed instructions.

Click here for installation instructions.

A BMWs sub-frame is the heart of the suspension - as the subframe twists and shifts under load all of the suspension mounting points also move. The rear suspension feels loose and lacks precision. As rubber or hydroelastic bushings wear the bushing deflection gets worse. If you have a highly tuned 335i/xi you're putting even more strain on weak bushings. The solution is a stiffer and more durable material. Even BMW has moved to solid mounts on the F10 M5 and F8X M3/M4. These fully solid E82/E90/E92 aluminum mounts have zero deflection - the subframe does not move at all. The rest of the suspension can work as designed and maintain the proper alignment and motion ratios. The driver will notice the difference as the car is more stable and the handling is more precise.

Although we designed these for use in our racecars, they can work on the street so long as the driver can tolerate some additional noise, vibration, and harshness. These mounts are CNC machined in the USA and made with high-grade aluminum. The set is for all four subframe mounts.

These solid rear sub frame mounts fit: 
2008-2012 E82 BMW 128i 135i 
2006-2011 E90 BMW 325i 328i 330i 335d 335i - Sedan 
2006-2011 E91 BMW 325i 328i - Wagon 
2007-2012 E92 BMW 328i 335i 335is - Coupe 
2007-2012 E93 BMW 328i 335i - Convertible 

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. 

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

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 -

• preserves the correct E46 M3 geometry
• separate sliding camber and caster adjustments
• maximum shock travel
• light weight
• durable materials
• large surface area
• ease of use

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

BMW E30 Frame Rail Reinforcement Kit from Turner Motorsport addresses a critical weak point in the chassis to enhance the structural integrity of your BMW. Leveraging two decades of racing expertise, Turner Motorsport delivers performance parts that combine exceptional quality, value, and functionality. This reinforcement kit is designed to strengthen the frame rails of the E30, improving handling and durability for a more responsive driving experience.

• Enhanced Structural Integrity: Reinforces the frame rails to address common weak points in the E30 chassis.
• Improved Handling: Stiffens the underside of the vehicle for better road handling and stability.
• Durable Construction: Built to withstand the demands of both street and track use.
• Expert Design: Developed with insights from Turner Motorsport’s extensive racing experience.

This kit is essential for maintaining your BMW E30's performance and reliability over time.

Here at Turner we understand the importance of an upgrade that will get the results you need on the track and still be tolerable on the drive around town. When it comes to control arms on the track, making them as stiff as you can (usually using solid mounts) is the best way to increase your driving precision by eliminating the deflection of rubber. The next best thing to create a balance would be to stiffen up the control arm with polyurethane, giving you the option of a more stock like feel with 80a or closer to the solid feel with 95a durometers.

When it comes to the E36 chassis you also get the options of choosing a stock centered design or going with the E30 inspired offset bushing to increase castor, further taking advantage of improvd handling. These poly bushings will give your control arms a direct connection between your suspension and the body of the car eliminating the slop felt under take-off and braking so you feel more in control of your vehicle. 

This item fits the following BMWs that use a centered-style bushing: 

1984-1991 E30 BMW 318i, 318is, 325, 325e, 325es, 325i, 325is 
1992-1999 E36 BMW 318i 318is 318ti 318ic 323is 323ic 325i 325is 325ic 328i 328is 328ic
1996-1999 E36 BMW M3 S52
1997-2002 Z3 BMW Z3 1.9 Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i MZ3 M Coupe M Roadster