4-Way race shock absorber for your BMW Z4 G29 2.0i M-Sport from 2018 - heden

The 4-Way shock absorber is Intrax’ top-rated product. The damping can be adjusted separately for the low-speed bump (inward damping), the high-speed bump and the rebound (outward damping) of the shock absorber. You can also adjust the total compression range. The 4-Way shock absorber is based on the same technology that has helped Schumacher become a World Champion. The interior is more comprehensive than that of all other Intrax dampers and contains more than 115 precision parts. 

- The slow inward damping (also known as ‘low-speed compression’) determines, overall, the front to back and left to right movement of the car (also known as 'pitch’ and ‘roll’). These movements are the result of acceleration, braking and cornering speed. 

- The fast inward damping (also known as ‘high-speed inward compression’) determines, roughly speaking, the compression of the wheels on short bumps, such as curb stones and rills in the road surface. 

- The outward damping (also known as ‘rebound’) stabilises the car, damps the unwanted movements and absorbs the unwanted energies. 

Large diameters
Where possible, the housing of the 4-Way shock absorber is made of high-quality aluminium (if desired or required, it can also be made of steel). This guarantees a low weight, maximum strength and optimal cooling. Whilst designing the 4-Way shock absorber, the largest possible diameter is chosen for an even more accurate control of the damping; usually a 52mm housing with 46mm piston. Where possible, Macpherson struts are fitted as upside-downs with a 45mm diameter instead of a thin piston rod that is mounted to the chassis.


  • Fully Modular
  • Everything upgradeable
  • Circuit use
  • Attenuation adjustable
  • Temperature compensation
  • Choice; Comfort
  • Choice; Sportive
  • Damping upgrade
  • Stability
  • Turning behavior
  • More direct control
  • Retains / better comfort
  • Ride height adjustable
  • Springs replaceable
  • Revisable
  • Camber plates optional
  • 45 or 52 mm strut optional
  • Welding plate optional

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Extra options

Black Titan

Black Titan was originally developed for the military air force. The air force was looking for something that would make the engines more resistant against the various extreme conditions they are exposed to (sub-zero temperatures, extreme heat, snowstorms, sandstorms, etc.).  Eventually, this led to the development of Black Titan: an extremely hard coating with a very low friction coefficient and corrosion resistant. After applying Black Titan to their aircraft engines, the service interval was sometimes extended with more than 100%.


Intrax has developed a unique way to drastically reduce the unwanted role of the car (across width AND length axis). The car drives with the comfort and benefits as if soft springs are mounted. But if a turn is made, braked hard or driven through a pit, ARC checks the row height. So for the street racer no more walking kidneys, but still through the curves and brakes as if a sport chassis has been mounted. And for the rally driver, circuit racer all the benefits of soft springs such as more traction and grip without the disadvantages such as roll, pitch and bounce, jumping the suspension on jumps and or curbs.

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