BMW 725 TDs 143 (e38)
ECU Remapping in Portsmouth

BMW 725 TDs 143 (e38): remap at a glance

• Fuel: Diesel
• Standard power: 143 bhp, remapped: 180 bhp (+37 bhp, +26%)
• Standard torque: 280 Nm, remapped: 360 Nm (+80 Nm, +29%)
• Service: stage 1 ECU remap, fully dyno tested

Diesel BMW 7 Series: what changes with a remap

On a diesel the ECU decides how much fuel is injected and how hard the turbo works. A remap adjusts those calibrations within safe limits, so the gains show up mainly as extra torque low in the rev range and smoother, more responsive pull.

How the BMW 725 TDs 143 (e38) compares

Of the 8 diesel 7 Series engines in our data, this one comes 2nd for power gain, which is exactly the 7 Series diesel average.

Across our whole catalogue the average diesel remap adds 34 bhp and 73 Nm, so this engine's 37 bhp and 80 Nm sits at or above that benchmark.

BMW 7 Series ECU tuning in Portsmouth

Based around Portsmouth, our team serves local drivers as part of the nationwide Remap Experts network. We regularly work with drivers in Hayling Island, Winchester, Southsea, Newport and Gosport and nearby areas of the South East.

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 Southampton, Sussex and Basingstoke, those neighbouring Remap Experts sites can help too.