BMW 1 Series 120i (2.0T) 184hp (B48B20B) Remap

Name: BMW 1 Series 120i (2.0T) 184hp (B48B20B) ECU Remap
Brand: BMW

Expected gains of +66 BHP and +150 Nm torque

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BHP+66 hp (36%)

Standard

184 hp

Tuned

250 hp

Torque+150 Nm (52%)

Standard

290 Nm

Tuned

440 Nm

Suitability

Excellent (8/10)

Gains Profile

Torque-focused

Headroom

High

BMW 1 Series 120i (2.0T) 184hp (B48B20B) ECU Remapping

Considering an ECU remap for your BMW 1 Series 120i (2.0T) 184hp (B48B20B)? A Stage 1 remap can take this F40 - 2019 -> petrol engine from 184 BHP to 250 BHP and from 290 Nm to 440 Nm of torque (turbocharged). This engine scores 8/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your BMW 1 Series can achieve.

How this engine compares

8thof 68 BMW 1 Series engines by power gain
90%of the 9,842 engines we hold gain data for see a smaller power increase
92%of engines with torque data see a smaller torque increase

Comparisons are calculated from our own recorded Stage 1 figures.

Assessment

The BMW 1 serie 120i (2.0T) 184hp (B48B20B) is a 2.0L turbocharged petrol engine producing 184 BHP and 290 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 250 BHP and 440 Nm — a gain of around 66 BHP (36%) and 150 Nm (52%).

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.

Considerations: Turbo petrol: fuel quality and cooling can influence repeatable performance.. High tuned torque: check transmission torque capacity and service history.. Large torque increase: drivetrain condition (clutch/gearbox) becomes more important at this level.

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.

Other 1 Series F40 - 2019 -> Engines

Engine	BHP	Gain	Torque	Gain	Score
116i (1.5T) 109hp	109 → 170	+61	190 → 300	+110	Excellent (8/10)
116D (1.5D) 116hp	116 → 150	+34	270 → 330	+60	Excellent (8/10)
118i (1.5T) 140hp	140 → 180	+40	220 → 300	+80	Excellent (8/10)
118D (2.0D) 150hp	150 → 190	+40	350 → 400	+50	Excellent (8/10)
120D (2.0D) 163hp	163 → 220	+57	380 → 440	+60	Good (7.5/10)
120i (1.6T) 177hp	177 → 220	+43	250 → 310	+60	Good (7.5/10)
120i (2.0T) 184hp	184 → 260	+76	290 → 420	+130	Excellent (8/10)
120D (2.0D) 190hp	190 → 220	+30	400 → 440	+40	Good (6.5/10)
125i (2.0T) 218hp	218 → 270	+52	310 → 440	+130	Excellent (8/10)
128ti 265hp	265 → 310	+45	400 → 500	+100	Moderate (5.5/10)
M135i 306hp	306 → 335	+29	450 → 500	+50	Moderate (4.5/10)

Technical Specifications

Fuel Type: Petrol
Aspiration: Turbocharged
Displacement: 2L
Capacity: 1998 CC
Type: Car
Engine Family: BMW 2.0L NA Petrol

ECU & Transmission

Likely ECU Low confidence: Bosch MEVD/MG1 family (varies)
Gearbox Medium confidence: Many variants use ZF 8-speed automatic (where fitted); manuals also exist.

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Confirm Your Vehicle

MakeBMW

Model1 Series

GenerationF40 - 2019 ->

Engine120i (2.0T) 184hp (B48B20B)

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.