AUDI · MS A15.5 ECU · diesel

AUDI A4 MS A15.5 tuning files

Tuning file coverage for the AUDI A4 running the MS A15.5 ECU. Stock output across the matched variants spans 90–150 HP. 9 distinct variants are catalogued here. On this diesel, expect the complete diesel toolset — from Stage work to the common delete requests. Each file is tied to the precise software on your car and checked before it goes out.

Upload your file →All A4 coverage

Available solutions

Applicable work for the MS A15.5 on this diesel. The available set firms up once the exact engine and software are known.

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

Engine variants & ECU software

9 distinct variants for the AUDI A4 on the MS A15.5 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
(B5) 2500 TDI V6 150HP
Controller brand
BOSCH
ECU
MS A15.5
Stock power
150 HP

Variant 2

ECU
Catalog engine
2500 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

Variant 4

ECU
Catalog engine
1900 110HP
Controller brand
BOSCH
ECU
MS A15.5
Stock power
110 HP

Variant 5

ECU
Catalog engine
1900 110HP
Controller brand
BOSCH
ECU
MS A15.5
Stock power
110 HP
ECU HW
0281001966

Variant 6

ECU
Catalog engine
1900 TDI 110HP
Controller brand
BOSCH
ECU
MS A15.5
Stock power
110 HP

Variant 7

ECU
Catalog engine
1900 TDI 110HP
Controller brand
BOSCH
ECU
MS A15.5
Stock power
110 HP
ECU SW
38906018S
ECU HW
0281001721

Variant 8

ECU
Catalog engine
1900 90HP
Controller brand
BOSCH
ECU
MS A15.5
Stock power
90 HP

Variant 9

ECU
Catalog engine
1900 TDI 90HP
Controller brand
BOSCH
ECU
MS A15.5
Stock power
90 HP

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 A4 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 A4 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 A4 MS A15.5 ECU Tuning Files | TuningBay