BMW Z3 Roadster 3.2 M3 321
ECU Tuning in London

BMW Z3 Roadster 3.2 M3 321: remap at a glance

• Fuel: Petrol
• Standard power: 321 bhp, remapped: 344 bhp (+23 bhp, +7%)
• Standard torque: 350 Nm, remapped: 395 Nm (+45 Nm, +13%)
• Service: stage 1 ECU remap, fully dyno tested

What a remap does for a petrol BMW Roadster

On a petrol car the ECU controls fuelling, spark timing and any turbo boost. A remap re-calibrates those maps within safe limits, so the car responds more eagerly and pulls harder through the rev range.

How the BMW Z3 Roadster 3.2 M3 321 compares

Among the 17 petrol Roadster engines we have figures for, the Z3 Roadster 3.2 M3 321 ranks 6th for power gain, 2 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 23 bhp and 45 Nm sits below that benchmark.

BMW Roadster performance tuning in London

Based around London, our team serves local drivers as part of the nationwide Remap Experts network. We regularly work with drivers in Hounslow, Watford, Sutton, Romford and Enfield and nearby areas of London.

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 Croydon, Kensingtonandchelsea and Essex, those neighbouring Remap Experts sites can help too.