	Original	After tuning	Diff
Power hp	313	360	+47
Torque Nm	630	700	+70

Power gain

+15%

Torque gain

+11%

Ready to feel these +47 hp on the road?

Get your ready-to-flash Stage 1 file for the BMW Serie 4 GC

Order tuning file →

Stage 1 file from €100

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	313	330	+17
Torque Nm	630	665	+35

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% — €290 a year

Get your ready-to-flash ECO file for the BMW Serie 4 GC

Order tuning file →

ECO file from €100

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

~~13.6~~ L / 100 km

With ECO

12.5 L / 100 km

Saves ≈ 1.1 L / 100 km — about 166 L (over 15 000 km) ≈ €290

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

BMW Serie 4 GC 435d