Oil pan is very simple so I would find an indie to install it. The part is $219 at Tischer, the gasket is $17. You are supposed to change the 20 bolts @ $0.80 each and the o-ring on the oil level sensor @ $3.
The oil change and filter is another $90 in parts, but you were going to do that anyway.
Straight lines are for fast cars...turns are for fast drivers
'04 M3 - track
'06 650i Cab - daily driver
'02 Highlander - kid hauler
'01 330Ci - winter beater