BMW 1 Series 118i 136hp (1598cc) Remap

Name: BMW 1 Series 118i 136hp (1598cc) ECU Remap
Brand: BMW

Expected gains of +84 BHP and +90 Nm torque

Data under review — The figures shown for this engine variant are currently being verified. They may be updated as we refine our data.

BHP+84 hp (62%)

Standard

136 hp

Tuned

220 hp

Torque+90 Nm (41%)

Standard

220 Nm

Tuned

310 Nm

Suitability

Good (6.5/10)

Gains Profile

Power-focused

Headroom

High

BMW 1 Series 118i 136hp (1598cc) ECU Remapping

Considering an ECU remap for your BMW 1 Series 118i 136hp (1598cc)? A Stage 1 remap can take this F20 - 2015 - 2018 petrol engine from 136 BHP to 220 BHP and from 220 Nm to 310 Nm of torque (naturally aspirated). This engine scores 6.5/10 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

2ndof 68 BMW 1 Series engines by power gain
97%of the 9,842 engines we hold gain data for see a smaller power increase
74%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 118i 136hp (1598cc) is a 1.6L naturally aspirated petrol engine producing 136 BHP and 220 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 220 BHP and 310 Nm — a gain of around 84 BHP (62%) and 90 Nm (41%).

This engine has moderate remap suitability, with gains weighted towards peak power — the improvement is most noticeable at higher RPM. The tuning headroom is classified as high, based on the percentage gain available from the factory output.

From a technical perspective, the transmission is many variants use zf 8-speed automatic (where fitted); manuals also exist..

Considerations: Naturally aspirated engine: gains are usually limited; results vary widely.. Unusually high gain for NA engine: treat as an estimate and verify against the exact engine variant.. 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.

Considerations

!Naturally aspirated engine: gains are usually limited; results vary widely.

!Unusually high gain for NA engine: treat as an estimate and verify against the exact engine variant.

!Large torque increase: drivetrain condition (clutch/gearbox) becomes more important at this level.

Other 1 Series F20 - 2015 - 2018 Engines

Engine	BHP	Gain	Torque	Gain	Score
114D 95hp (1496cc)	95 → 140	+45	235 → 335	+100	Excellent (8.5/10)
116i 109hp (1499cc)	109 → 170	+61	180 → 290	+110	Good (6.5/10)
116D 116hp (1496cc)	116 → 150	+34	270 → 330	+60	Excellent (8/10)
118i 136hp (1499cc)	136 → 170	+34	220 → 300	+80	Good (6.5/10)
118D 150hp	150 → 190	+40	320 → 400	+80	Excellent (8/10)
120D 163hp	163 → 220	+57	380 → 440	+60	Good (7.5/10)
120i 177hp (1598cc)	177 → 220	+43	250 → 310	+60	Moderate (5.5/10)
120i 184hp (1998cc) (B48B20B)	184 → 260	+76	290 → 420	+130	Good (6.5/10)
120D 190hp	190 → 220	+30	400 → 440	+40	Good (6.5/10)
125D 211hp (1995cc)	211 → 270	+59	450 → 500	+50	Good (7/10)
125i 218hp	218 → 270	+52	310 → 440	+130	Good (6.5/10)
125D 224hp (1995cc)	224 → 270	+46	450 → 500	+50	Good (7/10)
125i 224hp	224 → 270	+46	310 → 440	+130	Good (6.5/10)
135i 326hp	326 → 395	+69	450 → 530	+80	Moderate (5/10)
M140i 340hp	340 → 400	+60	500 → 600	+100	Moderate (5/10)

Technical Specifications

Fuel Type: Petrol
Aspiration: Naturally Aspirated
Displacement: 1.6L
Capacity: 1598 CC
Type: Car
Engine Family: BMW 1.6L 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

GenerationF20 - 2015 - 2018

Engine118i 136hp (1598cc)

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.