Why don't you order off of fastlane? Its cheaper and generally OEM parts are available. Just checked and a Bosch cap is $65.

__________________
TC
Current stable:
- 2004 Mazda RALLYWANKEL
- 2007 Saturn sky redline
- 2004 Explorer...under surgery.

Past: 135i, GTI, 300E, 300SD, 300SD, Stealth