if you wanna sell it now - then good used parts are best bet - find a crashed car etc. gonna take some time but might save 50%.
and guys, if you have issues on break downs - post your milage so we get some record going for when parts fail on these cars and it's clear if it's a car worth keeping long.
'98 Avus Blue 320i - SOLD '06
'06 TiAg 320d - SOLD '10
'07 Montego Blue 325i - SOLD '12
'07 Z4 Coupe 3.0si - SOLD '16