STAGE 2

BMW X4 F26 2014 onwards xDrive M40i STAGE 2

Takes the xDrive M40i from 360hp to 400hp, and 465Nm to 540Nm.

+40horsepower
+75newton metres
£1,188from

Where the gain arrives

Standard against STAGE 2 through the rev range.

Power before and after
01082163244321,0002,0503,1254,1755,2256,300 RPM 01082163244321,0002,7004,4006,075hp RPM
  • Standard 360hp
  • Remapped 400hp
Torque before and after
01462924375831,0002,0503,1254,1755,2256,300 RPM 01462924375831,0002,7004,4006,075Nm RPM
  • Standard 465Nm
  • Remapped 540Nm

Standard against STAGE 2

MeasureStandardAfterGain
Power360hp400hpup 40
Torque465Nm540Nmup 75

Other files for this engine

All written for the xDrive M40i specifically.

What STAGE 2 involves

STAGE 2 assumes the supporting hardware is already fitted and in good order. We check what is on the car before quoting, because the file is written around that specific combination rather than pulled off a shelf.

It takes most of a day. We keep your original file, so it can go back to standard at any point. Figures here are for a healthy xDrive M40i, and we check the car over before writing to it.

See the full xDrive M40i page for every file and figure, the other engines on this X4, or all BMW remapping.

Book your X4 STAGE 2

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.