The BMW 3 SERIES (2005-12) 330D 231 4DR SALOON 3.0D SE is a premium four-door executive saloon, offering more comfort and refinement than a family hatchback. In the UK used-car market, it competes with the Audi A4 and Mercedes-Benz C-Class, and suits drivers seeking a smart, spacious car for everyday journeys. mycarcheck.com has recorded 449 look-ups covering 167 different VINs, giving a useful snapshot of cars buyers have researched. Checks show an average private-sale valuation of £1,800 and average latest recorded mileage of 157,000 miles. The cars averaged 8,000 miles a year and nearly five previous keepers, so condition, maintenance history and mileage deserve close attention when comparing examples. With strong motorway performance and a comfortable SE cabin, the 330d suits commuters and families wanting a roomy saloon. Its diesel engine is a notable draw against petrol rivals, but age and running costs make a full service history and careful inspection important.