Yes, I've seen E36s with 5.0 fords, LS1, M62 and S62 swapped in it. there is even a site. e36v8
The 2008 BMW M3 has a V8 engine.
The 2001 BMW M5 has a V8 engine.
The 2012 BMW M3 has a V8 engine.
The 2013 BMW M5 has a V8 engine.
The 2003 BMW M5 has a V8 engine.
The 2010 BMW M3 has a V8 engine.
The 2014 BMW M6 has a V8 engine.
The 2002 BMW M5 has a V8 engine.
The 2011 BMW M3 has a V8 engine.
The 2014 BMW M5 has a V8 engine.
The 2013 BMW M6 has a V8 engine.