Data under review — The figures shown for this engine variant are currently being verified. They may be updated as we refine our data.
BHP+104 hp (67%)
Standard
156 hp
Tuned
260 hp
Torque+110 Nm (41%)
Standard
270 Nm
Tuned
380 Nm
Suitability
Good (6.5/10)Gains Profile
Power-focusedHeadroom
HighBMW Z4 1.8i 156hp ECU Remapping
Considering an ECU remap for your BMW Z4 1.8i 156hp? A Stage 1 remap can take this E89 - 2009 - 2018 petrol engine from 156 BHP to 260 BHP and from 270 Nm to 380 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 Z4 can achieve.
How this engine compares
- 1stof 26 BMW Z4 engines by power gain
- 99%of the 9,842 engines we hold gain data for see a smaller power increase
- 85%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
The BMW Z4 1.8i 156hp is a 2.0L naturally aspirated petrol engine producing 156 BHP and 270 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 260 BHP and 380 Nm — a gain of around 104 BHP (67%) and 110 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 5/6-speed automatics (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.