$7200 timing belt service

I have a 550 with a 12/00 production date. Currently have 11,300 mi.. Time for the major service or should I wait until 15,000 mi. and/or another 10 months for 6 years?

Any suggestions or experiences?

i would just do it now. if your to late then its tough luck but if something goes wrong its gonna cost you a bit more than $7200.