RUSH Radar: BMW Z4 M Coupe

Engine

Inline-6 (S54B32), DOHC, 24 valves,
Double-VANOS; individual throttle bodies
Displacement (cc): 3246
Bore × stroke (mm): 87.0 × 91.0
Compression ratio: 11.5:1
Max power (PS/kW): 343 / 252 @ 7900rpm
Max torque (Nm/lb-ft): 365 / 269 @ 4900rpm

Transmission

6-speed manual
Variable M mechanical limited-slip differential

Brakes

Front: Single-piston floating callipers on 345×28 mm ventilated discs
Rear: Single-piston floating callipers on 328×20 mm ventilated discs

Weight

Kerb weight (EU unladen): 1495kg
Weight distribution (unladen): 50.2% front / 49.8% rear (US brochure)
Power-to-weight: approx. 226bhp/ton
Torque-to-weight: approx. 180lb-ft/ton

Performance

0–62mph: 5.0s (manufacturer)
Top speed: 155mph (electronically limited)
50–75mph in 4th: 5.0s (manufacturer)
Quarter mile: 13.4s @ 105mph (Car and Driver test)

Steering

Rack-and-pinion hydraulic power steering

Chassis Layout

Front-engine, rear-wheel drive

Suspension & Dimensions

Front: MacPherson strut
Rear: Multi-link BMW 'Z' axle
Front track: 1486mm
Rear track: 1516mm
Wheelbase: 2497mm
Length × width × height: 4113 × 1781 × 1287mm