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Subframe Bushings

Your BMWs subframe bushings were designed to mitigate vibration and harshness. When mileage accumulates these bushings dry out, crack, and eventually split. When this happens vibrations and noise increase. Turner Motorsport carries Genuine BMW and high quality aftermarket alternatives that will restore lost handling and comfort.
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Rear Subframe Bushings/Mount Set - Rubber - E46 M3, Z4 M
Rear Subframe Bushings/Mount Set - Rubber - E46 M3, Z4 M
Genuine BMW - Corporate Logo
T#:2051
Part#: TMS2051
Ships in 1-2 days
$ 291.99 USD
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$ 291.99 USD
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Any subframe work or reinforcement project on the rear of the E46 M3 should include a new set of subframe mounts. It's the worn rubber bushings that contribute to failed rear subframes on the E46 (but not the only reason). As the rubber gets worn, there is more flex to the mount. This flexing is then transferred to the sheetmetal in the floor where the spot welds will pop and the sheetmetal will crack. Additional force coming from stiffer suspensions and stickier tires will only increase the flexing of the mounts/chassis.

Of course, stiffer mounts would help prevent this problem but with a stiffer bushing comes ride harshness, vibration, and additional noise. Our engineers and technicians recommend replacement with the factory rubber bushings (along with the appropriate reinforcement of the floor). The rubber bushings help isolate bumps and impacts and are quiet. They are also a perfect fitment and require no maintenance.

This item is a set of 4 Original BMW rubber subframe mounts. Individual part numbers - 33 31 2 283 573 (left front), 33 31 2 283 574 (right front), and 33 31 2 283 419 (left and right rear, x 2).

Applications:
2001-2006 E46 M3, M3 CSL coupe, convertible
2007-up Z4 M Roadster, M Coupe

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BMW E46 Z4 Subframe Mount Bushing Kit
BMW E46 Z4 Subframe Mount Bushing Kit
SuperPro - Corporate Logo
T#:385213
Part#: SPF4328K
Ships in 3 Business Days
$ 164.99 USD
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$ 164.99 USD
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BMW E46 Z4 Subframe Mount Bushing Kit enhances the connection between your vehicle's differential and chassis, offering improved road feel and reducing driveline slop. Turner Motorsport’s SuperPro subframe bushings are designed to replace the stock bushings, which may become worn over time and fail to provide adequate performance.

  • Improved Road Feel: Enhances driving experience by providing better connection to the road.
  • Reduced Driveline Slop: Minimizes unwanted movement and improves power transfer to the wheels.
  • Durable Construction: Made from high-quality polyurethane, offering superior performance over stock bushings.
  • Minimal NVH Increase: Delivers performance improvements with a slight increase in noise, vibration, and harshness.
  • Precision Engineering: Designed specifically for the BMW E46 and Z4 models to ensure perfect fitment and consistent quality.
  • Proven Performance: Developed by SuperPro, a leader in polyurethane technology since 1983.
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IRP Polyurethane Subframe Bushing Set - 90A - E9X, E8X (non-M)
IRP Polyurethane Subframe Bushing Set - 90A - E9X, E8X (non-M) ...
IRP - Individual Racing Parts - Corporate Logo
T#:2408491
Part#: IRPRSB-90PU
Special Order: No Guaranteed ETA
$ 169.00 USD
Free Shipping on orders $49 and up
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$ 169.00 USD
Free Shipping on orders $49 and up
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Replacing your worn stock rubber subframe bushings with IRP's polyurethane bushing set will transform the way your car drives. Stiffer than stock, these bushings still absorb NVH which allows them to be comfortably used on the street without heavily reducing ride quality.
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Vargas Rear Bushing Insert (Front Side Only) - BMW F9X X3/4M
Vargas Rear Bushing Insert (Front Side Only) - BMW F9X X3/4M ...
Vargas Turbo Technologies - Corporate Logo
T#:51672721
Part#: VTT-X3M-RIFS
Ships in 10 Business Days
New Item
$ 53.99 USD
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$ 53.99 USD
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The VTT Street Series Rear Bushing Inserts are the perfect "OEM Plus" upgrade for the F97/F98 chassis.
IRP Aluminum Rear Subframe Bushing Set - E82, E9X (non-M)
IRP Aluminum Rear Subframe Bushing Set - E82, E9X (non-M)
IRP - Individual Racing Parts - Corporate Logo
T#:2408474
Part#: IRPRSB-90AL
Special Order: No Guaranteed ETA
$ 319.99 USD
Free Shipping on orders $49 and up
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$ 319.99 USD
Free Shipping on orders $49 and up
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Aluminum subframe bushings prevent your subframe from shifting around as the chassis bends under load, unlike the stock rubber bushings. With only a slight increase in NVH, these aluminum bushings from IRP will keep the rear end of your BMW substantially more planted.
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IRP Aluminum Rear Subframe Bushing Set - E9X M3, E82 1M
IRP Aluminum Rear Subframe Bushing Set - E9X M3, E82 1M
IRP - Individual Racing Parts - Corporate Logo
T#:2408494
Part#: IRPRSB-90MAL
Special Order: No Guaranteed ETA
$ 294.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 294.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Aluminum subframe bushings prevent your subframe from shifting around as the chassis bends under load, unlike the stock rubber bushings. With only a slight increase in NVH, these aluminum bushings from IRP will keep the rear end of your BMW substantially more planted.
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