2018 BMW ALPINA B6 Gran Coupe maintenance schedule

The Alpina-tuned V8 subjects engine oil to massive thermal loads; independent specialists mandate 5,000-mile intervals to prevent premature turbo failure.

High-capacity Alpina turbochargers draw immense intake volume; degraded filters immediately strangle the engine and raise intake temperatures.

Replacing the microfilter maintains the silent, effortless luxury experience by preventing blower motor strain and ensuring optimal HVAC airflow.

Meticulous alignment is required; the specific Alpina suspension geometry causes rapid inner shoulder wear if toe and camber are not perfectly calibrated.

Flush every 2 years; the massive kinetic energy of this 4,500+ lb vehicle will boil moisture-contaminated fluid during high-speed deceleration.

Radiator flush and fill ensures the preservation of Alpina's enhanced supplemental cooling circuits, protecting the V8 from thermal meltdown.

The 8-speed transmission receives bespoke Alpina Switch-Tronic software; fluid flushes are mandatory to maintain its signature imperceptible shifts.

Intense cylinder pressures from Alpina's aggressive boost mapping accelerate spark plug electrode wear; delaying service induces violent engine misfires.

Utilizes a timing chain. Based on the N63 architecture, this engine is exceptionally prone to timing chain stretch, requiring vigilant acoustic monitoring.

Generating up to 590 lb-ft of torque, the transfer case fluid shears rapidly; fresh oil is critical to prevent aggressive binding and drivetrain judder.

The vehicle relies on complex battery management; failure to register a new battery via OBD2 causes the alternator to overcharge and destroy the unit.