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2003 AC Schnitzer ACS4 Z4

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For the power plant of the most powerful variant, the BMW Z4 3.0i a supercharger performance upgrade is "in the pipeline". A development achieved in close collaboration with the BMW Motorsport Team Schnitzer.

Supercharger

The power of the AC Schnitzer ACS4 is increased by supercharger technology. The heart of the upgrade is a turbine supercharger which thanks to its toothed belt drive allows almost noiseless running.

The design of this supercharger means it only needs 38.000 rpm to achieve a boost pressure of 0.35 bar. This increases the output to a stately 295 HP / 217 kW and brings the maximum torque up by 80 Nm.

The scope of supply of the Compressor performance upgrade also includes the full stainless steel sports rear silencer with chromed tailpipe trim in the new racing design, a modified control unit program and a carbon fibre valve cover. As a "smaller alternative" to the silencer the tailpipe trim in racing design completes the program.

AC Schnitzer offers for the manual Z4 3.0i the Short Shift sports transmission. To ensure safe control over the driving power of the new BMW Z4 at all times, a special brake kit for the front axle is available.

Suspension

In extensive tests a complete suspension concept has been developed which consists of the sports suspension, special anti-roll bar kit and the racing strut brace. The complete concept, the components of which can also be fitted individually, ensures sporting handling while retaining the high standard of driving comfort.

The suspension concept also includes the latest AC Schnitzer development in wheels: the light alloy wheel Type IV. The filigree rims in the new 5-spoke design are an excellent match for the elegant styling of the Z4.

It is available for the Z4 in the dimension 8,5Jx19" offset 43 (front) and offset 33 (rear) with tyres 235/35 R 19 (front / rear). Furthermore the AC Schnitzer wheels program with its successful predecessors Type II and Type III light alloy and racing wheels is of course also still the right choice.

Bodywork

The front part is enhanced by an exciting design of front spoiler. And it realizes even more downforce on the front axle. The smooth connection between the front and rear is created by the side skirts adapted to the contours.

Particularly eye-catching are the side-mounted deflectors with integral flashers for the indicators. Matching to this, chromed covers for the standard roll over bars and a windbreak have been developed.

Interior

Exclusivity is the watchword in the cockpit of the ACS4 roadster: as well as a carbon-fibre interior, an airbag sports steering wheel, the accents are set by the aluminium accessories.



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