BMW 320d 150 (E46)
ECU Remapping in Northampton

BMW 320d 150 (E46) remap figures

• Fuel: Diesel
• Standard power: 150 bhp, remapped: 188 bhp (+38 bhp, +25%)
• Standard torque: 330 Nm, remapped: 405 Nm (+75 Nm, +23%)
• Service: stage 1 ECU remap, fully dyno tested

Diesel BMW 3 Series: what changes with a remap

Modern diesels are held back by conservative factory calibrations. A remap updates the fuel and boost maps stored in the ECU, which is why drivers notice stronger acceleration from low revs and less need to change down on hills or when loaded.

How the BMW 320d 150 (E46) compares

Of the 13 diesel 3 Series engines in our data, this one comes 5th for power gain, which is 1 bhp above the 3 Series diesel average of 37 bhp.

Across our whole catalogue the average diesel remap adds 34 bhp and 73 Nm, so this engine's 38 bhp and 75 Nm sits at or above that benchmark.

Book engine tuning for your BMW 3 Series in Northampton

Based around Northampton, our team serves local drivers as part of the nationwide Remap Experts network. We regularly work with drivers in Newport Pagnell, Towcester, Silverstone, Rushden and Market Harborough and nearby areas of the East Midlands.

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