BHP+29 hp (9%)
Standard
321 hp
Tuned
350 hp
Torque+30 Nm (9%)
Standard
350 Nm
Tuned
380 Nm
Suitability
Moderate (4/10)Gains Profile
BalancedHeadroom
LowBMW M3 M3 321hp ECU Remapping
Considering an ECU remap for your BMW M3 M3 321hp? A Stage 1 remap can take this E36 - 1991 - 1998 petrol engine from 321 BHP to 350 BHP and from 350 Nm to 380 Nm of torque (naturally aspirated). This engine scores 4/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your BMW M3 can achieve.
How this engine compares
- 4thof 8 BMW M3 engines by power gain
- 38%of the 9,842 engines we hold gain data for see a smaller power increase
- 17%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
The BMW M3 M3 321hp is a 3.2L naturally aspirated petrol engine producing 321 BHP and 350 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 350 BHP and 380 Nm — a gain of around 29 BHP (9%) and 30 Nm (9%).
This engine has limited remap suitability, with a balanced spread of gains across both power and torque — providing a noticeable improvement across the rev range. The tuning headroom is classified as limited, based on the percentage gain available from the factory output.
Considerations: Naturally aspirated engine: gains are usually limited; results vary widely.
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.
Other M3 E36 - 1991 - 1998 Engines
| Engine | BHP | Gain | Torque | Gain |
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