	Original	After tuning	Diff
Power hp	340	380	+40
Torque Nm	700	750	+50

Power gain

+12%

Torque gain

+7%

Ready to feel these +40 hp on the road?

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

Order tuning file →

Stage 1 file: €140

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

Power graph / Stage 1

PowerTorqueStock

	Stock	ECO	Diff
Power hp	340	345	+5
Torque Nm	700	715	+15

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 ~9% — €331 a year

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

Order tuning file →

ECO file: €140

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

Fuel economy −9%

Before

~~14.7~~ L / 100 km

With ECO

13.5 L / 100 km

Saves ≈ 1.3 L / 100 km — about 189 L (over 15 000 km) ≈ €331

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

BMW Serie 3 M340D (3.0D)