AUDI · MS A15.5 ECU · diesel

AUDI A6 MS A15.5 tuning files

AUDI A6 on the MS A15.5: matched, calibrated and delivered with care. Stock output across the matched variants spans 110–150 HP. 4 distinct variants are catalogued here. On this diesel, expect the complete diesel toolset — from Stage work to the common delete requests. Your file is built against the exact ECU software on the car, then operator-verified.

Available solutions

Solutions that apply to the MS A15.5 on this diesel platform. The exact set depends on the specific engine and software version.

Stage 1Stage 2DPF OffEGR OffSwirl Flaps OffLambda / O2MAF OffTVANOx OffAGSReadinessStart/Stop OffOil PressureLimp Mode Off

Engine variants & ECU software

4 distinct variants for the AUDI A6 on the MS A15.5 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
2500 150HP
Controller brand
BOSCH
ECU
MS A15.5
Stock power
150 HP

Variant 2

ECU
Catalog engine
2500 TDI V6 150HP
Controller brand
BOSCH
ECU
MS A15.5
Stock power
150 HP

Variant 3

ECU
Catalog engine
2500 TDI V6 150HP
Controller brand
BOSCH
ECU
MS A15.5
Stock power
150 HP
ECU HW
0281010150

Variant 4

ECU
Catalog engine
1900 TDI 110HP
Generation
C5 1997-2004
Matched gains engine
1.9 TDI 110
Controller brand
BOSCH
ECU
MS A15.5
Stock power
110 HP
Stage 1 power
140 HP
Power increase
+30 HP (+27%)
Stock torque
235 Nm
Stage 1 torque
310 Nm
Torque increase
+75 Nm (+32%)

Related vehicles

Other vehicles built on the MS A15.5 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the AUDI A6 on the MS A15.5?

Stage 1, Stage 2, DPF Off, EGR Off, Swirl Flaps Off, Lambda / O2, MAF Off, TVA, NOx Off, AGS, Readiness, Start/Stop Off, Oil Pressure, Limp Mode Off. The exact set depends on the specific engine and software version.

Do you cover the MS A15.5 ECU software on this model?

Yes — the AUDI A6 on the MS A15.5 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.

AUDI A6 MS A15.5 ECU Tuning Files | TuningBay