	Original	After tuning	Diff
Power hp	136	165	+29
Torque Nm	280	360	+80

Power gain

+21%

Torque gain

+29%

Ready to feel these +29 hp on the road?

Get your ready-to-flash Stage 1 file for the BMW Serie 3

Order tuning file →

Stage 1 file from €60

Exact price depends on the ECU — confirmed when you upload the file

✓ Original file back-up ✓ Delivered in ~30 min ✓ Support included

Power graph / Stage 1

PowerTorqueStock

	Stock	ECO	Diff
Power hp	136	150	+14
Torque Nm	280	335	+55

ECO tune

Power & torque are eased back a touch and the map is optimised for the lowest possible fuel use — best for daily commuting, towing and long motorway diesel runs. Smoother, calmer, cheaper to run.

Cut your fuel bill by ~7% — €109 a year

Get your ready-to-flash ECO file for the BMW Serie 3

Order tuning file →

ECO file from €60

Exact price depends on the ECU — confirmed when you upload the file

✓ Original file back-up ✓ Delivered in ~30 min ✓ Support included

Fuel economy −7%

Before

~~5.9~~ L / 100 km

With ECO

5.5 L / 100 km

Saves ≈ 0.4 L / 100 km — about 62 L (over 15 000 km) ≈ €109

Estimate for a typical duty cycle · real saving depends on load & driving style

BMW Serie 3 320d