BMW 740d 259 (e65)
Engine Remapping in Midwales

BMW 740d 259 (e65) remap figures

• Fuel: Diesel
• Standard power: 259 bhp, remapped: 294 bhp (+35 bhp, +14%)
• Standard torque: 600 Nm, remapped: 675 Nm (+75 Nm, +13%)
• Service: stage 1 ECU remap, fully dyno tested

How engine remapping works on a diesel BMW 7 Series

Nothing is bolted on in a diesel remap. The ECU's stored maps for injection quantity, rail pressure and turbo boost are rewritten within safe limits, and because diesels make power through torque, that is where the improvement is most obvious.

How the BMW 740d 259 (e65) compares

Of the 8 diesel 7 Series engines in our data, this one comes 3rd for power gain, which is 2 bhp below the 7 Series diesel average of 37 bhp.

Across our whole catalogue the average diesel remap adds 34 bhp and 73 Nm, so this engine's 35 bhp and 75 Nm sits at or above that benchmark.

BMW 7 Series ECU tuning in Midwales

Remap Experts has a dedicated Midwales site, so you deal with a local team backed by a national network. We regularly work with drivers in Llanidloes, Welshpool, Newtown, Machynlleth and Llandrindod Wells and nearby areas of Wales.

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 Gwent, Cardiff and Chester, those neighbouring Remap Experts sites can help too.