	Original	After tuning	Diff
Power hp	150	185	+35
Torque Nm	320	390	+70

Power gain

+23%

Torque gain

+22%

Ready to feel these +35 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	150	165	+15
Torque Nm	320	365	+45

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 ~8% — €134 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 −8%

Before

~~6.5~~ L / 100 km

With ECO

6.0 L / 100 km

Saves ≈ 0.5 L / 100 km — about 76 L (over 15 000 km) ≈ €134

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

BMW Serie 3 320d