Diesel

BMW 6-Series G3x 2017 onwards 640D remap

Standard this engine makes 320hp and 680Nm. Our STAGE 1 file takes it to 400hp and 800Nm.

+80horsepower
+120newton metres
2stages available

Where the power arrives

Power and torque through the rev range, on the STAGE 1 file.

Power before and after
01082163244321,0001,6002,2252,8253,4504,050 RPM 01082163244321,0001,9752,9503,925hp RPM
  • Standard 320hp
  • Remapped 400hp
Torque before and after
02164326488641,0001,6002,2252,8253,4504,050 RPM 02164326488641,0001,9752,9503,925Nm RPM
  • Standard 680Nm
  • Remapped 800Nm

Stages for this engine

Stage 1 needs nothing fitted. Anything above assumes the supporting hardware is on the car already.

Every figure for the 640D

FilePowerGainTorqueGainPrice
Standard320hpn/a680Nmn/an/a
ECOn/an/a800Nmup 120£690
STAGE 1400hpup 80800Nmup 120£790

Economy files show no new power figure because they are written for torque and drivability rather than peak output.

Remapping the 640D

The BMW 6-Series G3x 2017 onwards 640D runs a factory calibration built to cope with poor fuel, skipped servicing and hot countries. We rewrite the fuelling, boost and timing for this engine on this car, then test it before you get it back. The original file is kept, so it can go back to standard whenever you want.

Diesels like this one gain most through the middle of the rev range, which is where you actually drive. It pulls from lower down, holds a gear on a hill, and needs fewer downshifts to overtake. Drive it the same way afterwards and the economy usually improves a little.

Figures on this page are for a standard car in good health. We read the fault codes and check the basics first, and if something needs attention we will tell you before we write anything. Have a look at the other engines on the G3x 2017 onwards, the full 6-Series range, or everything we do for BMW.

Other 6-Series generations

Book your 6-Series

We write and test every file at our Aston workshop, on our own rolling road. Ring us with your reg and we will tell you what your car should make before you commit to anything.