section hub

Ownership

Maintenance planning, parts terminology and practical ownership guidance for significant cars, with clear safety limits.

Find the right guide

Maintenance, service history and component identification

Parts terminology: genuine, OE, OEM and aftermarket

Pre-purchase inspection checklist

A supercar, performance car or modern classic usually arrives with two maintenance schedules: the one in the handbook and the one written by its actual life. Time, climate, storage, previous repairs and periods of low use can matter as much as distance travelled. The sensible starting point is a documented baseline, not a shopping list assembled from forum consensus.

Make the records usable

Put invoices, service-book entries, inspection reports and parts receipts in date order. Record the odometer, workshop, work described and any part numbers shown. Keep seller claims as notes until documents or an inspection support them. If a previous job is unclear, mark it unknown rather than converting “probably done” into history.

A useful ownership file also contains the vehicle identification number, build and compliance details, engine and option codes where relevant, tyre specifications and photographs of labels before they fade. These details help a workshop understand the car and reduce mistakes when parts are researched.

Plan around condition and authoritative information

Use the schedule supplied for the exact vehicle as the primary reference, then discuss age, condition and intended use with a qualified workshop. A generic interval from another market or engine may not apply. Nor does a new-looking component establish when it was installed or whether connected items were inspected.

Separate work into safety or roadworthiness, overdue scheduled service, active faults, preventive work and optional improvement. That order keeps an enjoyable project from becoming a pile of unrelated purchases.

Understand the labels on parts

The parts terminology glossary explains genuine, OE, OEM, OE-matching, aftermarket, remanufactured and used parts, and provides a method for checking fitment evidence. These terms describe supply relationships or product categories; they do not settle quality or fitment on their own. Check the exact vehicle, current part number or supersession, specification, supplier traceability, warranty terms and the consequences if the component fails.

Know where the job stops

Reading and record keeping are suitable owner tasks. Procedures involving brakes, steering, suspension, airbags, fuel, high voltage, lifting or safety-critical fasteners can carry serious risk. Use authoritative repair information and suitable equipment, and engage a qualified professional where the task, diagnosis or safety boundary is beyond you. A page on this site cannot inspect the car in front of you.

Ownership is more than the service stamp

Decide what the car is for before deciding what to change. Regular road use, occasional touring and circuit work ask different things of tyres, brakes and preparation. A modification that solves a specific problem can be worthwhile; a collection of fashionable parts may simply make a previously coherent car harder to understand.

Our preference is to establish the standard car’s condition first, document its weaknesses and make deliberate changes with a clear purpose. Keep the original specifications and invoices. That discipline makes the car easier to maintain, easier to explain to a workshop and easier to represent honestly when the next owner arrives.