BMW Z4 Roadster 2.5i 177
Engine Tuning in West Midlands

BMW Z4 Roadster 2.5i 177 remap figures

• Fuel: Petrol
• Standard power: 177 bhp, remapped: 197 bhp (+20 bhp, +11%)
• Standard torque: 230 Nm, remapped: 265 Nm (+35 Nm, +15%)
• Service: stage 1 ECU remap, fully dyno tested

How engine tuning works on a petrol BMW Roadster

Petrol engines are remapped by refining fuelling, ignition timing and, on turbocharged engines, boost control. Done carefully this releases performance the manufacturer left in reserve, giving sharper throttle response and a stronger top end.

How the BMW Z4 Roadster 2.5i 177 compares

Among the 17 petrol Roadster engines we have figures for, the Z4 Roadster 2.5i 177 ranks 11th for power gain, 1 bhp below the Roadster petrol average of 21 bhp.

Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 20 bhp and 35 Nm sits below that benchmark.

Book chip tuning for your BMW Roadster in West Midlands

Remap Experts West Midlands is part of the UK-wide Remap Experts network. We regularly work with drivers in Tipton, Willenhall, Wednesfield, Walsall and Stourbridge and nearby areas of the West Midlands.

Each remap is dyno tested before it is signed off, and is protected by a 30 day money back guarantee and a lifetime software warranty. Ask for a quote online or by phone.

If you are closer to Birmingham, Coventry and Worcester, those neighbouring Remap Experts sites can help too.