That's where your tears come out of as you dump thousands of dollars to fix your BMW.
Seriously, a weep hole is a non-technical term for any holes designed to drain fluids. There are several of them on any car, so you have to be more specific. For instance, there are weep holes to drain water from around the sun roof; there are also holes to drain oil or coolant leaking and collecting around the valley pan, located between the "V" of the engine block.
The 2001 BMW 7-Series has 32 valves.
The 2008 BMW 7-Series has 32 valves.
The 2006 BMW 7-Series has a V8 engine.
The 2010 BMW 7-Series has 32 valves.
The 2010 BMW 7-Series has a V8 engine.
The 2007 BMW 7-Series has a V8 engine.
The 2004 BMW 7-Series has 32 valves.
The 2011 BMW 7-Series has 24 valves.
The 2003 BMW 7-Series has 32 valves.
The 2003 BMW 7-Series has a V8 engine.
The 2002 BMW 7-Series has a V8 engine.
The 2006 BMW 7-Series has 32 valves.