ChiptuneMAP
ChiptuneMAP/BMW/X6/40d - 306ch
BMW

40d - 306ch Tuning

BMW X6: detailed power and torque gains by stage.

Near you

Stage 1 for your X6: garage prices

Enter your postcode to see nearby garages and their prices for this engine.

Gains by stage(2)

Power

306 hp

Torque

600 Nm

Diesel
Power
306→350hp
+44 hp
+14%
Torque
600→680Nm
+80 Nm
+13%
OriginalTuned

Find a tuner

Compare listed professionals near you.

Are you a tuner?

These drivers are looking for a pro for this engine

When they simulate their vehicle, the map shows them nearby pros with their own prices. Add yours and get their requests.

Create my free listing2 minutes, no credit card

Tuners · ChiptuneFILE

Stage 1 file for the 40d - 306ch

Send the ECU read, get back an optimised and tested file.

  • Stage 1, Stage 2, E85
  • Checksum corrected, original file kept
  • For professionals only
Order a file

Everything about 40d - 306ch tuning

Tuning the 40d - 306ch found in the BMW X6 is one of the most popular performance upgrades. This engine offers excellent potential for power and torque gains.

On ChiptuneMAP, find verified gain data for each stage, compare tuner prices and find the ideal professional for your project.

Gains summary by stage

On the BMW X6 40d - 306ch, tuning delivers up to +84 hp and +150 Nm depending on the stage. Stock vs tuned figures:

StagePowerTorqueIndicative price
Stage 1306 → 350 hp600 → 680 NmOn quote
Stage 2306 → 390 hp600 → 750 NmOn quote

Frequently asked questions

What gains can I expect from tuning the 40d - 306ch?
Tuning the 40d - 306ch (BMW X6) delivers significant power and torque gains depending on the chosen stage. Stage 1, with no hardware modifications, offers the best gain-to-reliability ratio.
Is tuning reliable on the 40d - 306ch?
Yes, the 40d - 306ch is known for its reliability when tuned, especially at Stage 1. It's essential to use a professional, experienced tuner with maps tailored to your engine.
How much does BMW X6 tuning cost?
Prices vary by stage and tuner. Check our directory to compare rates from professionals near you.
Should I get a tuning box or an ECU remap?
ECU remapping (modifying the engine control unit map) delivers better results and integration than a plug-in tuning box. It's customized for each engine.
How do I find a tuner for my BMW X6?
Use the ChiptuneMAP directory to find a tuner near you. Compare prices, services and specialties.

Other engines

4.4 (M compet.) - 625ch40i MHEV - 381chM60i MHEV - 530ch30d MHEV - 298ch40d MHEV - 352chM40i - 340chM50i - 530ch30d (belgian downgrade) - 211ch30d - 265ch30d - 286ch

Other BMW models

1-serie1M2 Gran Coupé-series2-Active Tourer2-serie3 GT-serie3-serie4 Gran Coupé-series