BMW · TCU_2_3_31 ECU

BMW 5 SERIES TCU_2_3_31 tuning files

Tuning file coverage for the BMW 5 SERIES running the TCU_2_3_31 ECU. The matched variants sit between 190 and 340 HP from the factory. 2 distinct variants are catalogued here. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. Your file is built against the exact ECU software on the car, then operator-verified.

Upload your file →All 5 SERIES coverage

Available solutions

Applicable work for the TCU_2_3_31 on this vehicle. The available set firms up once the exact engine and software are known.

Stage 1 Stage 2

Engine variants & ECU software

2 distinct variants for the BMW 5 SERIES on the TCU_2_3_31 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 3000 340HP
Controller brand: TEMIC
ECU: TCU_2_3_31
Stock power: 340 HP

Variant 2

ECU

Catalog engine: 2000 190HP
Generation: G3x 10/2016-2020
Matched gains engine: 520d 09/2019> 190
Controller brand: TEMIC
ECU: TCU_2_3_31
Stock power: 190 HP
Stage 1 power: 220 HP
Power increase: +30 HP (+16%)
Stock torque: 400 Nm
Stage 1 torque: 480 Nm
Torque increase: +80 Nm (+20%)

Related vehicles

Other vehicles built on the TCU_2_3_31 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the BMW 5 SERIES on the TCU_2_3_31?

Stage 1, Stage 2. The exact set depends on the specific engine and software version.

Do you cover the TCU_2_3_31 ECU software on this model?

Yes — the BMW 5 SERIES on the TCU_2_3_31 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.

How is the file delivered?

Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.