2007 AC Schnitzer ACS4 Sport Coupe Z4

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The 2007 AC Schnitzer ACS4 Sport Coupe There it is: the BMW M Coupe!...and almost at the same time we show our interpretation: the ACS4 Sport Coupe.

The product range has been designed so that - with few exceptions - the special accessories for the 2007 AC Schnitzer ACS4 Sport Coupe also fit for the ACS4 Sport Roadster!

Engines - Exhaust

To improve the driving dynamics we offer a modified rear axle ratio of 3.91 : 1 . This rear axle ratio guarantees greatly improved acceleration.

The response behaviour is improved thanks to the sports rear silencers. Made completely of stainless steel with chromed Racing tailpipes, they also provide a more sonorous note than the standard system. For the M-versions of the Z4 that are fitted with a twin sports silencer as standard, as well as the Twin Racing system there is a further option of Sports Trim design. This design is reserved exclusively for M-vehicles.

Transmission

Faster and more precise gear shifts promote the adrenalin rush and perceptibly improve acceleration of a car. So the Short Shift has been adapted for the M-versions with manual transmission.

The Suspension Technology

During extensive tests on race tracks and public roads we have developed a complete suspension concept consisting of sports suspensions,

special anti-roll bars and strut braces.

In addition, exclusive to the M Roadster and M Coupe is a special racing suspension which is currently still in the development phase.

The Bodywork

An aerodynamic package has been created which sets even more sporting accents. The package consists of carbon front spoiler elements.

In addition, the new chrome front grille gives the vehicles a trendy retro look.

The vehicle rear is enhanced by a fully integrated carbon rear diffuser. This diffuser is available in two different versions of the special rear skirt edge frame which gives the finishing touch to the chromed tailpipes of the Sports Trim or Racing design, depending on which exhaust is fitted.

Of course there are a few fundamental differences between the Roadster and Coupe:

for the Roadster the product range includes a chrome cover for the roll bars, a windbreak in clear-glass style and a two-piece rear wing.

For the Coupe versions, a three-piece rear wing is available.

Whatever the body version, the side skirts form the homogeneous link between the front and rear.

An outstanding eyecatcher is the side deflectors with integrated flashers, which as an option can be supplemented with a chromeline set.

The Interior Exclusivity is the trump card in the cockpits of all AC Schnitzer ACS4 models: Beside the carbon interior in silver, and matching ergonomically designed AC Schnitzer airbag sports steering wheels, it is above all the aluminium accessories in silver or with black anodized finish, that set accents. There is also a pedal set with matching foot rest, a handbrake handle and a gear knob for the manual versions. For automatics, there is a carbon selector lever. Last but not least, floor mats with the AC Schnitzer logo, made from high quality velours, complete the range.

The Wheels

The suspension concept for all ACS4 Sport Roadster and Coupe models naturally also includes the AC Schnitzer Type IV, Type III and Type II alloy and racing rims in one-piece and multipiece construction. As well as a wealth of wheel and tyre combinations in 18" and 19" we can now offer the largest wheels for the M Roadster and M Coupe in 9.0J x 20" with tyres 245/30 R 20 (front) and 10.0J x 20" with tyres 285/25 R 20 (rear).

We recommend Continental and Michelin.

The difficulty of choosing: AC Schnitzer ACS4 Roadster or Coupe?
Now that the Z4 Roadster has undergone a facelift and at the same time the M-variant, the Z4 M Roadster, was launched, the model range has been completed with a new Z4 Coupé and M Coupé. Not only BMW but also we at AC Schnitzer are thrilled with the range of new Z4 vehicles, and present our interpretations: the AC Schnitzer ACS4 Roadster and the AC Schnitzer ACS4 Coupé. The complete range soon at your BMW partner:
Engine: Rear differential modification, ratio 3,91:1
Exhaust: Double sports rear silencer incl. chromed tailpipes in Racing or Sports Trim Design
Transmission: Short Shift sports gear change
Suspension: Racing suspension incl. lowering (25 – 30 mm), special sway bar sets, Racing strut brace front axle
Wheels: Light alloy and racing wheels Type III and IV up to 20”
Aerodynamic: Carbon front spoiler elements, chromed front grille, side skirts, rear diffuser, 2-pieced rear wing (only M Roadster), 3-pieced rear wing (only M Coupé), deflector set for fenders, chrome line set for deflectors, chromed cover for safety bar (only M Roadster), wind deflector (only M Roadster)

Modifications :

ENGINE
rear differential modification
ratio 3,91 : 1 (standard: 3,62 : 1)
(rear differential must be sent to Aachen for modification)

EXHAUST
dual sports rear silencer incl. exhaust tailpipes, chromed tailpipe design "Racing" in connection with AC Schnitzer rear diffuser or BMW standard rear skirt
tailpipe design "Sports Trim" only in connection with AC Schnitzer rear diffuser

TRANSMISSION
sports gear change "Short Shift"

SUSPENSION
"Racing" suspension
special sway bar set
"Racing" strut brace, aluminium for front axle

AERODYNAMICS
front spoiler elements carbon black
front grille, chrome only in connection with front spoiler elements
side skirt (set)
rear diffuser
for standard rear silencer or dual sports rear silencer design "Racing"
rear diffuser for dual sports rear silencer design "Sports Trim"
rear wing (set) (only for Z4 M Roadster)
rear wing (3 pieces) (only for Z4 M Coupé)
deflector fender (set) without chromeline set
chromeline set for deflector fender (set)
chromed cover for safety roll bar (set) The BMW plastic cover of the rollover bar will be replaced by the ACS curved chromed cover with ACS logo only for Roadster
wind deflector in clear glass appearance, AC Schnitzer fitting set and AC Schnitzer emblem, removable only in connection with AC Schnitzer chrome cover only for Roadster

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