The BMW 3 SERIES (1998-06) 320D 4DR SALOON 2.0 SE REV 01 is a compact premium saloon, offering four doors, a separate boot and room for passengers. In the UK used-car market, it sits between ordinary family cars and larger executive models, with an upmarket badge and feel. mycarcheck.com has recorded 445 look-ups across 277 distinct VINs, a sample of interest in this older 3 Series. Within those checks, the average private-sale valuation was £600, average recorded mileage 154,000, and average annual mileage 8,000. Vehicles had an average of 5.3 previous keepers, so condition and history deserve close attention; these are sample averages, not a prediction for every car. This diesel 3 Series suits commuters and small families seeking a comfortable saloon for everyday use and longer trips. Compared with mainstream rivals, it offers a more driver-focused feel and competes with period Audi A4 and Mercedes-Benz C-Class models. At this age, condition and service history matter.