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Strong-Strut - E30 / Z3 Rear Subframe Brace

$349.00

Purchase Strong-Strut - E30 / Z3 Rear Subframe Brace

Strong-Strut - E30 / Z3 Rear Subframe Brace The Rear Strong-Strut Brace provides significant bracing and reinforcement to the rear section of the BMW E30. A rare find, no one else makes this part!

This brace bolts to the chassis by utilizing the rear subframe mounting brackets. This not only reinforces the chassis itself but also helps maintain proper toe angles of the rear wheels. The rear end "wiggling" is caused by changing toe angles when cornering or driving over uneven surfaces. Strong-Strut is the originator of the design and the only manufacturer.

    The Rear Strong-Strut Brace is bolted below the sub frame rear axle carrier. Everything above the OEM mounting brackets of the sub frame is mounted in rubber anti-vibration mounts and is designed to move around. Therefore, the rear axle carrier, although massive in appearance, provides no stiffing element to the body/chassis. Because the rear Strong-Strut is bolted below, and directly to the mounting brackets, which are in turn solidly bolted to the body, the rear Strong-Strut serves as a rigid transverse reinforcing member. This ties both sides of the body/chassis together just forward of the rear wheels and resists the torquing/twisting forces of the rear body structure when subjected to aggressive cornering or uneven roadway.

    By eliminating or reducing body flex; understeer is lessened, overseer is more controllable, the rear of the car follows the front more crisply when turning into corners, and the car feels more stable over uneven pavement.


WARNING! IMPORTANT INFORMATION (ground clearance disclaimer): Please be advised that the addition of a Rear Strong-Strut Brace may reduce ground clearance on your 3-series (e30). Since the various 3-series (e30) models have some differences, and there are a lot of aftermarket suspensions and wheel/tire options out there, Strong-Strut can't be more specific than this. If ground clearance is an issue with any potential customer, Strong-Strut suggests that you do-not purchase the Rear Strong-Strut Brace. If you do install one, Strong-Strut suggests that you measure the distance from the bottom of the strut to the ground and keep the measurement in memory. Avoid straddling any road objects that exceed this dimension since striking a solid object may cause damage to the vehicle. The Rear Strong-Strut Brace is a very robust structure, 2 inches by 1/2 inch solid 6061, T-6 treated alloy. It's all one solid piece and mounts under the car near the front of the rear wheels and is a very simple installation. Although not tested for crash worthiness, it should be able to withstand a fairly solid hit. On the plus side, it's location and strength could prevent damage from straddled objects, to the differential.

Purchase Strong-Strut - E30 / Z3 Rear Subframe Brace

  • SKU: BPW-RLSB-E30
  • Chassis Type: E30 (All)

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