BMW Z4 Roadster 2.5si 218
Chip Tuning Midwales

BMW Z4 Roadster 2.5si 218 power and torque after remapping

• Fuel: Petrol
• Standard power: 218 bhp, remapped: 240 bhp (+22 bhp, +10%)
• Standard torque: 250 Nm, remapped: 285 Nm (+35 Nm, +14%)
• Service: stage 1 ECU remap, fully dyno tested

Petrol BMW Roadster: what changes with a remap

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 2.5si 218 against other Roadster engines

Ranked by power gain against the other petrol Roadster engines (17 in total), the Z4 Roadster 2.5si 218 is 7th, 1 bhp above 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 22 bhp and 35 Nm sits below that benchmark.

Book ECU tuning for 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.

You get a fully dyno tested remap, a 30 day money back guarantee and a lifetime software warranty with every job. Get your quote today on 0800 779 7864.

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