```markdown
BMW Stage 1 Chiptuning in Vilnius
BMW Stage 1 chiptuning is the most popular way to increase your car's power without physical modifications. Our team in Vilnius offers professional chiptuning services for all BMW models.
What is Stage 1 Chiptuning?
Stage 1 chiptuning involves optimizing the engine control unit (ECU) software by adjusting:
Fuel injection parameters
Ignition timing
Turbo pressure (for turbocharged engines)
A/F ratio
Power Gains by BMW Engines
N54 Engine (335i, 135i)
Stock power: 300-306 HP
After Stage 1: 350-380 HP
Torque increase: 50-80 Nm
B58 Engine (340i, 440i)
Stock power: 322-355 HP
After Stage 1: 400-450 HP
Torque increase: 80-120 Nm
Why Choose Us?
✅ 15+ years of experience in BMW chiptuning
✅ Professional tools and software
✅ 2-year warranty on all services
✅ Free diagnostics before starting work
Prices
Stage 1 Chiptuning: from €180
Diagnostics: from €30
Contact us today and find out how we can increase your BMW's power!
```

