BMW 5er E39 M5 5.0 400
Engine Remapping in Belfast

BMW 5er E39 M5 5.0 400 power and torque after remapping

• Fuel: Petrol
• Standard power: 400 bhp, remapped: 425 bhp (+25 bhp, +6%)
• Standard torque: 500 Nm, remapped: 540 Nm (+40 Nm, +8%)
• Service: stage 1 ECU remap, fully dyno tested

How engine remapping works on a petrol BMW 5 Series

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.

How the BMW 5er E39 M5 5.0 400 compares

Of the 30 petrol 5 Series engines in our data, this one comes 6th for power gain, which is 3 bhp above the 5 Series petrol average of 22 bhp.

Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 25 bhp and 40 Nm sits below that benchmark.

BMW 5 Series vehicle tuning in Belfast

Based around Belfast, our team serves local drivers as part of the nationwide Remap Experts network. We regularly work with drivers in Holywood, Newtownabbey, Millisle, Lisburn and Dunmurry and nearby areas of Northern Ireland.

All our remaps are fully dyno tested, backed by a 30 day money back guarantee and covered by a lifetime software warranty. Request a quote online or call 0800 779 7864.

If you are closer to Glasgow, Scotland and Carlisle, those neighbouring Remap Experts sites can help too.