Alpina B8 - ECU Remap Stage 1
Alpina B8 4.4 Bi-Turbo V8 621hp
Alpina B8 4.4 Bi-Turbo V8 621hp ECU remap: boost power from 621 to 680 HP. Professional Stage 1 tuning in London.
About the Alpina B8
About the Alpina B8
The second-generation of the BMW 8 Series consists of the BMW G14, BMW G15 grand tourers and BMW G16 executive cars . The G14/G15/G16 generation has been in production since 2018, and is often collectively referred to as the G15.
Why Stage 1 for the 4.4 Bi-Turbo V8 621hp
Our Stage 1 calibration is designed for a completely stock vehicle — no hardware changes required. In practice this delivers a safe and reversible improvement in drivability.
Typical gains on healthy examples are from around 621 HP to 680 HP and from 800 Nm to 850 Nm (indicative; varies by condition).
What we do
- Initial diagnostics and a full backup of the original ECU file
- Calibration of timing/fuelling, torque limiters and boost strategies
- Throttle response and power delivery refinement with a focus on smoothness
- Road testing and post-map parameter checks
Safety and Warranty
We follow a conservative approach, maintaining thermal and mechanical margins to protect longevity.
The process is fully reversible (factory file can be restored) and requires no physical modifications.
Summary
A Stage 1 remap turns the Alpina B8 4.4 Bi-Turbo V8 621hp into a more responsive daily driver while keeping stock-like manners.
Contact us for a free quote and eligibility check.
Whether you're looking to boost performance or secure your vehicle, our expert team is here to help.Performance Comparison
Specification Stock Stage 1 Tuned Improvement Power 621 HP 680 HP +59 HP Torque 800 Nm 850 Nm +50 Nm Ready to Enhance Your Vehicle?
Frequently Asked Questions
Will ECU tuning void my warranty?
Our ECU remapping is done via the OBD port and is fully reversible. The original file can be restored at any time, making it undetectable to dealerships.
How long does the installation take?
Most ECU remaps take 2-4 hours to complete, including diagnostic checks and road testing.
Is the tuning completely reversible?
Yes, we keep a backup of your original ECU file and can restore it at any time, returning your vehicle to factory settings.
Will tuning improve my fuel economy?
Many customers see improved fuel efficiency during normal driving due to optimized engine parameters and torque delivery.
What about emissions compliance?
Our Stage 1 remaps maintain emissions compliance and your vehicle will continue to pass MOT tests.
Vehicle Specifications
Related Services
Professional Service
- Professional ServiceExpert technicians with years of experience
- Warranty ProtectedFull backup of original files maintained
- Mobile ServiceWe come to your location for convenience
- Fast ServiceMost remaps completed within 2-4 hours
Ready to Enhance Your Vehicle?
Whether you're looking to boost performance or secure your vehicle, our expert team is here to help.
Get Started Today