Audi A4 1.4 TFSI 125hp Remap

Name: Audi A4 1.4 TFSI 125hp ECU Remap
Brand: Audi

Expected gains of +20 BHP and +50 Nm torque

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BHP+20 hp (16%)

Standard

125 hp

Tuned

145 hp

Torque+50 Nm (25%)

Standard

200 Nm

Tuned

250 Nm

Suitability

Good (7.5/10)

Gains Profile

Torque-focused

Headroom

High

Audi A4 1.4 TFSI 125hp ECU Remapping

Considering an ECU remap for your Audi A4 1.4 TFSI 125hp? A Stage 1 remap can take this B8 - 2012 - 2015 petrol engine from 125 BHP to 145 BHP and from 200 Nm to 250 Nm of torque (turbocharged). This engine scores 7.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Audi A4 can achieve.

How this engine compares

87thof 101 Audi A4 engines by power gain
14%of the 9,842 engines we hold gain data for see a smaller power increase
27%of engines with torque data see a smaller torque increase

Comparisons are calculated from our own recorded Stage 1 figures.

Assessment

The Audi A4 1.4 TFSI 125hp is a 1.4L turbocharged petrol engine producing 125 BHP and 200 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 145 BHP and 250 Nm — a gain of around 20 BHP (16%) and 50 Nm (25%).

This engine scores highly for remap suitability, with gains weighted towards torque — you will notice the difference most strongly in mid-range pulling power and in-gear acceleration. The tuning headroom is classified as high, based on the percentage gain available from the factory output.

From a technical perspective, the ECU is typically a Bosch MED17 (likely), and the transmission is manual and dsg/s tronic automatics are common depending on model/engine..

Considerations: Turbo petrol: fuel quality and cooling can influence repeatable performance.

All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.

Considerations

!Turbo petrol: fuel quality and cooling can influence repeatable performance.

Other A4 B8 - 2012 - 2015 Engines

Engine	BHP

Technical Specifications

Fuel Type: Petrol
Aspiration: Turbocharged
Displacement: 1.4L
Capacity: 1395 CC
Type: Car
Engine Family: Audi 1.4L TFSI Turbo Petrol

ECU & Transmission

Likely ECU Medium confidence: Bosch MED17 (likely)
Gearbox Medium confidence: Manual and DSG/S tronic automatics are common depending on model/engine.

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MakeAudi

ModelA4

GenerationB8 - 2012 - 2015

Engine1.4 TFSI 125hp

All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method.

We recommend discussing your specific vehicle with a qualified remap professional before proceeding.

2.0 TDI CR 120hp	120 → 185	+65	290 → 410	+120	Excellent (8/10)
1.8 TFSI 120hp	120 → 210	+90	230 → 340	+110	Excellent (8/10)
2.0 TDI CR 136hp	136 → 185	+49	320 → 410	+90	Excellent (8/10)
2.0 TDI CR 143hp	143 → 185	+42	320 → 410	+90	Good (7.5/10)
2.0 TDI CR 150hp	150 → 185	+35	320 → 410	+90	Good (7.5/10)
1.8 TFSI 160hp	160 → 210	+50	250 → 340	+90	Excellent (8/10)
2.0 TDI CR 163hp	163 → 205	+42	350 → 430	+80	Good (7.5/10)
1.8 TFSI 170hp	170 → 220	+50	320 → 380	+60	Good (7.5/10)
2.0 TDI CR 177hp	177 → 225	+48	380 → 460	+80	Good (7.5/10)
2.0 TFSI 180hp	180 → 260	+80	320 → 400	+80	Excellent (8.5/10)
2.0 TDI CR 190hp	190 → 225	+35	400 → 460	+60	Good (7/10)
3.0 V6 TDI FW 204hp	204 → 270	+66	400 → 600	+200	Excellent (8/10)
2.0 TFSI 211hp	211 → 260	+49	350 → 400	+50	Good (7/10)
2.0 TFSI 225hp	225 → 300	+75	350 → 450	+100	Excellent (8/10)
3.0 V6 TDI 245hp	245 → 300	+55	500 → 650	+150	Good (7.5/10)
3.0 TFSI 272hp	272 → 435	+163	400 → 520	+120	Excellent (8/10)
S4 3.0 TFSI 333hp	333 → 400	+67	440 → 520	+80	Good (6.5/10)
RS4 4.2 V8 FSI 450hp	450 → 470	+20	430 → 450	+20	Limited (3/10)