BMW M3 Csl 360 (E46)
ECU Remapping Northampton

BMW M3 Csl 360 (E46): remap at a glance

• Fuel: Petrol
• Standard power: 360 bhp, remapped: 390 bhp (+30 bhp, +8%)
• Standard torque: 370 Nm, remapped: 410 Nm (+40 Nm, +11%)
• Service: stage 1 ECU remap, fully dyno tested

Petrol BMW 3 Series: what changes with a remap

Factory petrol calibrations leave margin for poor fuel and hot climates. A remap tunes the ignition, fuelling and boost maps to make better use of that margin, which shows up as livelier throttle response and stronger acceleration.

BMW M3 Csl 360 (E46) against other 3 Series engines

Of the 26 petrol 3 Series engines in our data, this one comes 3rd for power gain, which is 7 bhp above the 3 Series petrol average of 23 bhp.

Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 30 bhp and 40 Nm sits at or above that benchmark.

Remapping your BMW 3 Series in Northampton

This is the Northampton site of the Remap Experts network, serving local drivers. We regularly work with drivers in Newport Pagnell, Towcester, Silverstone, Rushden and Market Harborough and nearby areas of the East Midlands.

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 Leicester, Milton Keynes and Coventry, those neighbouring Remap Experts sites can help too.