Every 5,000 miles with conventional oil and every 8,000 miles with synthetic.
100,000Km
Cost to change timing belt o 2006 beetle diesel
3000 miles
Change the plugs at 100,000 miles or earlier if the engine is not performing as it should.
3 month 3000 miles
I don't know about 2006, in the 2001 it's at 105k miles
About every 70,000 miles.
Timing chain. You do not need to change it, ever.
Whenever you notice fatigue or every 10,000 miles
The Blue Beetle - 2006 was released on: USA: 4 November 2006 (Supercon Geek Film Festival)
The original plugs should be good for around 100,000 miles ( 160,000 ) kms. Take it from there.
No recommended service interval, just "when they fail"