The 2003 XL7 has 2 separate belts; one A/C belt, and one fan/alternator belt. In addition, there isn't a timing belt as it is a timing chain on this vehicle.
The 2.5 liter - 6 cylinder engine - in a 2003 BMW 325i has a timing CHAIN
What is an ignis? Never heard of this model.
Belt, change it at 60,000 miles
The 2003 Toyota RAV 4 - 2.0 liter 4 cylinder has a timing CHAIN