A vehicle’s chassis is exposed to the greatest loads while driving. These loads are caused mainly by the transfer of the body’s mass during fast cornering, heavy braking or acceleration.
When cornering, weight transfer can cause one side of the vehicle to be subjected to up to three times more force than the other. This can lead to significant chassis twisting or body deformation, causing the tyres to lose grip.
Chassis twisting and deformation when cornering can cause undesirable handling characteristics such as understeer and oversteer. The Ultra Racing rear lower chassis brace helps further connect the suspension mounting points and reduce unwanted body movement.
Specifications
- Product: rear lower chassis brace
- Number of mounting points: 2
- Part number: RL2-2892
Suitable for: BMW X3 II (F25), BMW X4 I (F26).
Approval
This part has no TÜV certification (ABE, TTG or Teilegutachten).

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