When driving quickly through corners, braking hard and accelerating, the vehicle bodywork is subjected to significant loads due to weight transfer.
When cornering, the force on one side of the vehicle can be up to 3 times greater than on the other. This causes the bodywork to twist and bend, which can result in the tyres losing grip.
Bending and twisting of the chassis when driving through corners can cause undesirable handling characteristics, such as understeer and oversteer.
The front upper strut brace helps increase bodywork stiffness around the upper strut mounting points.
- Type: front upper strut brace (strut bar)
- Number of mounting points: 4
- Part number: 639P
- For BMW X5 E70 3.5 4WD, model year 2010–2013
- For BMW X6 E71 3.0TT 4WD, model year 2008–2014
Suitable for: BMW X5 II (E70), BMW X6 I (E71/E72).
Approval
This part has no TÜV certification (ABE, TTG or Teilegutachten).

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