The manufacturer claims the initiative - which mirrors the thinking behind MINI's tlc package - will save fleets more than £2,000 in service, maintenance and repair bills.
Fleet News exclusively revealed the plans over a typical three-year contract last September, and the manufacturer has now released the details of the scheme.
It is called BMW Concours and costs a flat £500 for a five-year/75,000-mile contract, covering labour, service and maintenance, including engine oil and filters, wiper blades, brake pads and discs, spark plugs, air filters, microfilter, brake fluid and coolant. All work has to be done by BMW technicians.
With SMR costs for luxury vehicles traditionally high, BMW believes Concours will provide it with a major advantage over its rivals. A spokesman said: 'Customers are interested in fixed costs of ownership. The package is about peace of mind.'
The Concours package passes to the new owner, which BMW believes will help fortify the 45% three years/60,000 miles residual value it forecasts. BMW has not ruled out introducing fixed costs SMR packages into other models in the range in the future.
The 735i will cost £52,750 and the 745i, £56,950.