BMW Z3 Roadster 3.2 M3 321
ECU Remapping in Essex

BMW Z3 Roadster 3.2 M3 321 power and torque after remapping

• 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

Petrol BMW Roadster: what changes with a remap

A petrol remap re-works the engine management calibration: air-fuel ratio, ignition advance and boost where fitted. The result is more power and a more immediate throttle, delivered by software rather than hardware changes.

How the BMW Z3 Roadster 3.2 M3 321 compares

Of the 17 petrol Roadster engines in our data, this one comes 6th for power gain, which is 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 vehicle tuning in Essex

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

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