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BMW Suspension Parts

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.

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Rear Subframe Bushings/Mount Set - Rubber - E46 M3, Z4 M

T#:2051

Part#: TMS2051

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$ 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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Burger Motorsports Billet Strut Cross Braces - Black - G20 M340i 330i...

T#:637424

Part#: BMSG20BSCB-BLK

Ships in 7 Business Days

$ 199.00 USD

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$ 199.00 USD

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Constructed from lightweight billet aluminum with the BMS logo engraved on the top middle. These strut braces are a solid one-piece design. These give an exclusive look under the hood and extra stabilization to the chassis.

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Burger Motorsports Billet Strut Cross Braces - Silver - G20 M340i 330...

T#:637423

Part#: BMSG20BSCB-SIL

Ships on Aug 31, 2026

$ 255.99 USD

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$ 255.99 USD

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AST Suspension Lowering Springs - BMW i3/i3 RANGE EXTENDER

T#:590105

Part#: ASTLS-14-2686

In Stock at Vendor

$ 242.00 USD

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$ 242.00 USD

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AST Suspension Lowering Springs for the 2013+ BMW i3 will lower that center of gravity without giving in a lot of the comfort you are used to with the OEM springs. The lowering springs are a direct replacement of the OEM springs and have been developed especially for each specific vehicle. Made out of the best material on the best Wafios coiling machines available. AST Suspension Lowering Springs are manufactured from a premium high tensile chromium-silicone wire which is handpicked by AST engineers for its quality and metal consistency. Each spring is cold wound and then heat treated to increase hardness and reduce internal stresses present after winding. Each spring is then individually shot peened, phosphate treated and then powder coated to outlast even the life of the vehicle.

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AST Lowering Springs - BMW G80 M3 & M3 Comp (RWD & xDrive)

T#:7640374

Part#: ASTLS-21-080

In Stock at Vendor

$ 461.99 USD

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$ 461.99 USD

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AST LOWERING SPRINGS ARE MANUFACTURED FROM A PREMIUM HIGH TENSILE CHROMIUM-SILICONE WIRE WHICH IS HANDPICKED BY AST ENGINEERS FOR ITS QUALITY AND METAL CONSISTENCY. Each spring is cold wound and then heat-treated to increase hardness and reduce internal stresses present after winding. Each spring is then individually shot peened, phosphate treated, and then powder coated to outlast even the life of the vehicle. FEATURES Progressive rates on most vehicles EDC Compatible (if applicable to vehicle) Each spring is blocked and computer tested prior to shipping, which reduces any settling once installed on the vehicle Most of our spring applications are TUV Certified and certificates can be provided upon request LOWERING RANGE Front: Approx. 30MM Rear: Approx. 15MM VEHICLE FITMENT Make: BMW Model: G80 M3 RWD + G80 M3 XDRIVE (AWD) Years: 2021 - On

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