BMW Z4 Roadster 2.5i 177
Chip Tuning Midwales

BMW Z4 Roadster 2.5i 177 power and torque after remapping

• 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

What a remap does for 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.

BMW Z4 Roadster 2.5i 177 against other Roadster engines

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.

Remapping your BMW Roadster in Midwales

This is the Midwales site of the Remap Experts network, serving local drivers. We regularly work with drivers in Llanidloes, Welshpool, Newtown, Machynlleth and Llandrindod Wells and nearby areas of Wales.

Every remap is fully dyno tested and comes with a 30 day money back guarantee and a lifetime software warranty. Call 0800 779 7864 for a quote.

If you are closer to Gwent, Cardiff and Chester, those neighbouring Remap Experts sites can help too.