2024 — 2026
4.4L V8 Twin-Turbo Plug-in Hybrid (S68) - Modern electrified performance
Hybrid/Petrol
Cycle through the 'M Mode' drive settings while on a smooth road to ensure the hybrid drivetrain transitions seamlessly between electric-only and V8 power without hesitation.
Observe the infotainment screen during parking maneuvers to ensure the high-definition cameras and sensors are free of lag, as the complex electrical architecture relies heavily on this system.
Listen carefully for any subtle acoustic feedback from the regenerative braking system; it should feel progressive and consistent rather than 'grabby' or uneven.
Inspect the underside or wheel well areas for any signs of curb damage, as the G90's significant weight makes it sensitive to alignment issues that can impact the complex adaptive suspension.
Initial run-in service; critical for oil filtration after the break-in period.
First comprehensive hybrid health check and brake fluid flush.
Spark plug inspection and advanced transmission fluid service.
Regularly monitor the high-voltage battery charge cycles as per BMW ConnectedDrive guidelines.
Keep up with the 'BSI' (BMW Service Inclusive) schedule to ensure all warranty coverage remains valid.
Periodically check the tire pressure and tread wear, as the performance nature of the car can lead to faster wear on the rear axle.
Ensure the software is updated via the Over-the-Air system to keep the plug-in hybrid management software optimized.
Use high-quality premium 98 octane fuel to maintain the health of the S68 engine's direct-injection system.
Estimated repair costs if issues arise
While the battery is designed for long life, it is wise to budget for the eventual diagnostics or potential control module maintenance typical of advanced PHEV systems.
Given the G90’s curb weight, the adaptive dampers and bushings are hardworking components; in the long term, you might eventually need to budget for a suspension refresh to maintain that signature BMW handling.
The M5 utilizes high-performance braking hardware; depending on your driving style, you may eventually need to set aside funds for a rotor and pad replacement set for all four corners.
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Disclaimer: This report is generated with the assistance of AI analysis based on verified automotive data. While we strive for 100% accuracy, enthusiasts should always conduct physical inspections and consult service records. View Full Disclaimer