Launched in 2000, the original BMW X5 E53 redefined the automotive landscape by introducing the 'Sports Activity Vehicle' concept, offering car-like monocoque handling, independent suspension and an elevated command driving position. Benefiting from BMW's ownership of Land Rover during development, it blended genuine tarmac agility with foul-weather competence. Keeping this classic SAV running strongly requires knowledgeable BMW X5 maintenance, focused on running gear and cooling architecture.
The launch engine lineup featured the dependable 3.0-litre M54 straight-six (3.0i), the muscular 4.4-litre M62 V8 (4.4i, 4.6is) and the torquey M57 turbodiesel (3.0d). Power was channelled via a five-speed manual or five-speed automatic gearbox with permanent 38:62 rear-biased four-wheel drive. The pressurised cooling system components-including expansion tanks and water pumps-are notorious for aging, while optional rear air suspension bellows require regular leak checks.