sweet. Thanks. I will check those out!
In case anyone is interested, there is a PDF brochure for the 2005 3 series that includes a nifty section on the ZHP. I downloaded it from the BMW owners circle website. Might be other years on there too.
2005 BMW 330i ZHP 6MT. Built 11-19-04. Bought 4-2012.
Stock: Nav, leather, PDC, Xenon
Added by me: OEM Alarm, OEM heated seats, OEM aux kit, OEM Bluetooth, intravee, M3 strut brace, BMW Performance Intake, Nappa leather arm rest, updated LCM (triple blink, euro hazards, trifecta lighting, 3 stage brakes), temp gauge