Check under the expansion tank itself... thats where my 545 leaked from. its hard to see since its underneath. There is a seem under the tank so if you take your hand and run it along that seem your hand will either get wet or it wont.
Deceased - 2004 BMW 545i Black/Auburn
-Sports Suspension, Premium and Cold Weather Package, Logic 7 Professional Audio, Rear Sunblinds, Adaptive Xenon Headlights, Active Steering, staggered setup on 124's, Aux Input
MTEC V3.0 AE's, Black and white roundels, Clear LED Side-markers, New Conti ExtremeContact DWS's, Charcoal Filter Delete, 35% Tint, 20%rear.
GARY BETTMAN IS A TOOL!