AUDI · MS A15.5 ECU · diesel

AUDI A3 MS A15.5 tuning files

Here is what the catalog holds for the AUDI A3 on the MS A15.5. The matched variants sit between 90 and 110 HP from the factory. There are 6 distinct variants on file for this combination. On this diesel, expect the complete diesel toolset — from Stage work to the common delete requests. Every file is matched to the exact calibration on your vehicle and signed off by an operator.

Available solutions

What we can run on the MS A15.5 for this diesel — the precise options narrow down by engine and software version.

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

Engine variants & ECU software

6 distinct variants for the AUDI A3 on the MS A15.5 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
1900 110HP
Generation
8L 1996-2003
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%)

Variant 2

ECU
Catalog engine
1900 110HP
Generation
8L 1996-2003
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%)
ECU HW
0281001694

Variant 3

ECU
Catalog engine
1900 TDI 110HP
Generation
8L 1996-2003
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%)

Variant 4

ECU
Catalog engine
1900 TDI 110HP
Generation
8L 1996-2003
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%)
ECU HW
0281001848

Variant 5

ECU
Catalog engine
1900 90HP
Generation
8L 1996-2003
Matched gains engine
1.9 TDI 90
Controller brand
BOSCH
ECU
MS A15.5
Stock power
90 HP
Stage 1 power
120 HP
Power increase
+30 HP (+33%)
Stock torque
210 Nm
Stage 1 torque
265 Nm
Torque increase
+55 Nm (+26%)

Variant 6

ECU
Catalog engine
1900 TDI 90HP
Generation
8L 1996-2003
Matched gains engine
1.9 TDI 90
Controller brand
BOSCH
ECU
MS A15.5
Stock power
90 HP
Stage 1 power
120 HP
Power increase
+30 HP (+33%)
Stock torque
210 Nm
Stage 1 torque
265 Nm
Torque increase
+55 Nm (+26%)

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 A3 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 A3 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 A3 MS A15.5 ECU Tuning Files | TuningBay