BMW M550i xDrive G30 LCI Remapping and Tuning
Upgrade your BMW M550i xDrive G30 LCI 530HP with professional Stage 1 and Stage 2 ECU tuning from Onyx Performance in Slough, Berkshire.
The BMW M550i xDrive G30 LCI features BMW’s powerful 4.4-litre N63 twin-turbocharged V8 petrol engine, delivering impressive acceleration, strong torque, and refined performance. Combined with BMW’s xDrive all-wheel-drive system, the M550i offers confident traction and everyday usability. Our performance remapping options are designed to unlock additional horsepower and torque, improve throttle response, and enhance the overall driving experience while maintaining a focus on drivability and engine reliability.
BMW M550i xDrive G30 LCI Performance Figures
Standard Performance
- Power: 530HP
- Torque: 750Nm
Stage 1 Remap
- Power: 650HP
- Torque: 850Nm
Stage 2 Remap
- Power: 700HP
- Torque: 900Nm
- Price: Call for a Stage 2 quote
All performance figures are indicative and may vary depending on vehicle condition, fuel quality, modifications, ECU software version, and testing conditions. Actual results may differ.
Gearbox Tuning
Enhance the transmission performance of your BMW M550i xDrive G30 LCI with professional gearbox tuning. Depending on gearbox compatibility, available software, and your vehicle’s configuration, gearbox remapping can improve shift response, optimise shift points, and refine torque management.
- Stage 1 Gearbox Remap: Contact for Price
- Stage 2 Gearbox Remap: Contact for Price
- Stage 3 Gearbox Remap: Contact for Price
BEFORE TUNING
Before remapping your BMW M550i xDrive G30 LCI, we recommend ensuring the vehicle is in good mechanical condition. Any existing engine, turbocharger, fuel system, cooling, or transmission issues should be addressed before tuning. We may recommend diagnostic checks before proceeding.
SERVICING AND MAINTENANCE
Regular servicing is essential for maintaining performance and reliability after a remap. We recommend using the correct manufacturer-approved engine oil and quality filters, following an appropriate servicing schedule, and monitoring the engine and transmission condition. Higher-performance vehicles may benefit from more frequent maintenance depending on driving style and usage.
EXHAUST UPGRADES
An upgraded exhaust system can enhance the sound and character of your BMW M550i xDrive while complementing its N63 V8 engine. Options may include performance exhaust systems, downpipes, and other exhaust components, subject to compatibility and applicable emissions and noise regulations. Supporting hardware may be required for certain Stage 2 setups.
PERFORMANCE UPGRADES
Take your BMW M550i xDrive G30 LCI further with suitable performance upgrades. Depending on your power goals, available options may include upgraded intake components, intercooler improvements where applicable, turbocharger upgrades, and supporting engine hardware. The correct setup depends on the target output and the vehicle’s existing modifications.
STYLING AND BODY UPGRADES
Enhance the appearance of your BMW M550i xDrive G30 LCI with carefully selected styling upgrades. Available options may include front splitters, rear diffusers, side skirts, spoilers, wheel upgrades, and other exterior enhancements designed to complement the M550i’s sporty styling.
VEHICLE SECURITY
Protect your BMW M550i xDrive G30 LCI with suitable vehicle security solutions. Depending on availability and compatibility, options may include upgraded vehicle protection systems and additional theft-prevention measures. We can help you explore solutions appropriate for your vehicle.
WHY CHOOSE ONYX PERFORMANCE?
At Onyx Performance, we provide tailored tuning and vehicle upgrade solutions with a focus on performance, drivability, and customer support.
- Professional ECU tuning: Software options tailored to vehicle specification and tuning goals.
- Performance-focused solutions: Stage 1 and Stage 2 options, subject to vehicle compatibility and supporting modifications.
- Additional upgrades: Gearbox tuning, exhaust systems, styling enhancements, and vehicle security solutions.
- Local expertise: Based in Slough, Berkshire, serving customers looking to enhance their vehicles.
- Clear advice: Guidance on suitable tuning stages, supporting hardware, and maintenance considerations.
REMAPPING IN SLOUGH
Onyx Performance offers BMW M550i xDrive G30 LCI remapping and performance tuning in Slough, Berkshire. Whether you want stronger everyday acceleration or are planning a more extensive performance setup, we can discuss the available options for your vehicle and its current specification.
Frequently Asked Questions
How much power can a Stage 1 remap produce on the BMW M550i xDrive G30 LCI?
The indicative Stage 1 figures for this listing are 650HP and 850Nm, compared with the stated standard output of 530HP and 750Nm. Actual results depend on the vehicle, fuel, software, and test conditions.
How much power can a Stage 2 remap produce on the BMW M550i xDrive G30 LCI?
The indicative Stage 2 figures are 700HP and 900Nm. Stage 2 tuning may require supporting hardware and vehicle-specific checks. Contact Onyx Performance for a quote and confirmation of the required modifications.
Do I need hardware upgrades for Stage 2 tuning?
Stage 2 tuning can require supporting modifications, depending on the calibration and target output. Exhaust components and other hardware may be needed. We recommend confirming compatibility and requirements before proceeding.
Can the BMW M550i xDrive gearbox be remapped?
Gearbox tuning may be available depending on the transmission, software version, and vehicle configuration. Contact us to confirm compatibility and pricing for your BMW M550i xDrive.
Can I book a dyno session?
Yes. A dyno session is available for £120.00. Testing can help assess vehicle performance, although results depend on test conditions and equipment.
Is Stage 3 tuning available for the BMW M550i xDrive G30 LCI?
Stage 3 tuning typically involves a more extensive package of hardware upgrades and a suitable calibration. Requirements depend on your target power and existing modifications. Contact us to discuss feasibility and pricing.
Does the BMW M550i xDrive G30 LCI require an ECU unlock?
ECU access requirements depend on the ECU hardware, software version, production date, and previous updates. The supplied ECU reference is Bosch MG1CS201; however, the exact ECU identification and access method should be confirmed against the individual vehicle before tuning.
BOOK YOUR REMAP
Ready to upgrade your BMW M550i xDrive G30 LCI? Contact Onyx Performance to discuss Stage 1 tuning, Stage 2 options, gearbox remapping, exhaust upgrades, and supporting performance modifications. We can help establish the most suitable package for your vehicle and driving goals.
Contact Onyx Performance
Transform your BMW M550i xDrive G30 LCI today with Onyx Performance. Whether you’re looking for Stage 1 or Stage 2 remapping, performance exhaust systems, styling enhancements, or vehicle security solutions, our expert team is here to help.
📞 Call us now on 01753 439321 to book your tuning service or discuss Stage 2 and security options!



