The BMW 5 SERIES (2003-07) 525D 4DR SALOON 2.5D M SPORT AUTO is a spacious executive car, positioned above mainstream family saloons and suited to comfortable long-distance travel. M Sport styling gives this automatic diesel a purposeful look, while its four-door layout offers useful room for passengers and luggage alike. mycarcheck.com has recorded 1,538 look-ups covering 526 different VINs, a substantial sample of interest in this older BMW. Checks show an average private-sale valuation of £1,900 and average recorded mileage of 151,000 miles; typical annual use is 8,000 miles. The average keeper count is about seven, so reviewing each car’s history is especially worthwhile. Well suited to commuters and families, it offers a roomy, refined cabin and relaxed automatic driving for motorway journeys. Rivals include the Mercedes-Benz E-Class and Audi A6; the BMW is known for balanced handling and a driver-focused feel. At this age, condition and service history matter most.