You can go from the 3W standard to 3.8W okay. 5W is too much. Details here:
http://forums.mbnz.org/forums/forums/thread-view.asp?tid=1189819&posts=6&hl=bulb
I changed mine to the #194, and the difference is significant.
http://forums.mbnz.org/forums/forums/thread-view.asp?tid=1189819&posts=6&hl=bulb
I changed mine to the #194, and the difference is significant.