2011 INFINITI M37 X VIN JN1BY1AR3BM376131

This Infiniti M37 X was built in 2011. The fuel is petrol. Power reaches the wheels through an automatic gearbox.

The clock stood at 203,496 miles when the data was entered. The instruments count in miles; the same distance in kilometres is about 1.6 times the figure. A single figure proves little: what makes a mileage believable is a series of readings that rise steadily over the years. Figures carry most weight when they come from independent sources: workshops, inspection stations and past title paperwork.

In the source data, the main issue is front-end damage. Whether the damage has been repaired since, and how well, is not something a damage entry can show. Some damage shows its consequences only later: corroded connectors and electrical faults can surface months afterwards.

A ‘runs and drives’ note means the car moved under its own power when it was checked. A key was there when the car was checked. A condition note describes the car at one moment; months of standing or later work on the car can change the picture in either direction.

The car carries a salvage title. A title of this kind usually means the car was written off as a total loss after damage.

A car’s history answers three questions: who kept it, how it was looked after and what went wrong along the way. No single office holds the whole story of a car: registries, workshops, insurance companies and lenders each keep their own part. What a car has been through is seldom visible at first glance, and a respray can make even a badly damaged car look sound.

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 needs its fluid changed at the manufacturer’s intervals, and invoices should show that it was. Drive to all four wheels means more to maintain: differentials and couplings have oil of their own, which some manufacturers want changed at set intervals.

Stamped into the body and printed on a plate, the VIN is the one identifier that stays with a car through every owner, registration and repair. The VIN on file for this car is JN1BY1AR3BM376131. The number in the car’s documents should match the one stamped into the body and the one on the plate at the base of the windscreen.

Depending on what is on file, a VIN report may include past registrations, mileage readings, damage entries, branded titles and theft checks. A repair paid for in cash at a small workshop leaves no trace in any database, so no report can list it. A professional inspection makes sense whatever the paperwork shows, because no report measures corrosion, worn bushes or a poor repair. A history check on VIN JN1BY1AR3BM376131 is the place to start.