BMW Z4 Roadster M 343
ECU Remapping Essex

BMW Z4 Roadster M 343 remap figures

• Fuel: Petrol
• Standard power: 343 bhp, remapped: 368 bhp (+25 bhp, +7%)
• Standard torque: 365 Nm, remapped: 410 Nm (+45 Nm, +12%)
• Service: stage 1 ECU remap, fully dyno tested

How ECU remapping works on a petrol BMW Roadster

With a petrol engine the remap works through the ECU's ignition, fuelling and turbo boost tables. Re-calibrating them within safe limits releases power that is already there, rather than adding anything to the engine.

BMW Z4 Roadster M 343 against other Roadster engines

Among the 17 petrol Roadster engines we have figures for, the Z4 Roadster M 343 ranks 3rd for power gain, 4 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 25 bhp and 45 Nm sits below that benchmark.

BMW Roadster chip tuning in Essex

This is the Essex site of the Remap Experts network, serving local drivers. We regularly work with drivers in Ipswich, Stowmarket, Southend-on-Sea, Saffron Walden and Halstead and nearby areas of the East of England.

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 London, Suffolk and Hertfordshire, those neighbouring Remap Experts sites can help too.