2012 BMW X3 XDRIVE28I VIN 5UXWX5C50CL719485

This BMW X3 XDRIVE28I is a 2012 model, finished in black. The petrol engine has six cylinders and produces 240 hp. There is an automatic gearbox, with all-wheel drive.

The record gives the mileage as 194,875 miles. The figure is in miles and needs converting before it is compared with kilometres: one mile is about 1.6 km. Services and inspections note the distance covered, so a car with an ordinary past builds up a trail of figures that climb year after year. Service invoices and inspection reports each carry a mileage figure, and lined up in order they show whether the clock tells the truth.

When the car was recorded, it showed minor dents and scratches. Whether the damage has been repaired since, and how well, is not something a damage entry can show. With minor dents and scratches on file, the inspection should start with the paintwork and whether any dent has reached the metal underneath.

The car is recorded as running and driving. A key is on file for the car. Condition notes are a snapshot: the car may have been worked on, stripped of parts or left standing since.

According to the source data, the car has a clean title. Nothing on the title points to a total loss or a flood.

A car’s history is the sum of what has happened to it since it was new, and most of it has left a trace on paper somewhere. A car’s paperwork is scattered: the registry knows about owners, the workshop about repairs and the insurance company about claims. Much of a car’s past cannot be seen: a good body repair leaves no obvious mark, and neither do years of hard driving.

A cold start, the colour of the exhaust smoke and any oil leaks tell a mechanic a good deal about how an engine has been treated. On a petrol engine, spark plugs, ignition coils and the cooling system are the routine items a service history should cover. The automatic gearbox should respond smoothly and without delay; jerks, slipping or hesitation on a test drive need investigating.

The ninth character of the VIN is a check digit calculated from the other sixteen, so a mistyped or invented number does not add up. This car’s identification number is 5UXWX5C50CL719485.

A VIN report gathers what different sources know about a car, such as the number of owners, mileage readings, damage and any branded title. The absence of an entry is not proof that nothing happened; it may only mean that nobody wrote it down. A history report says nothing about the car’s present condition: the frame, corrosion, electrics and the quality of any repair are judged on a lift by a mechanic. The next step is to look up the history behind VIN 5UXWX5C50CL719485.