http://www.bmwarchive.org/e-code/e70.html

You get detailed production dates and also engine commonalities across models



Garage:
E53 4.4i M62 born 2003-03-04 (SOLD)
E53 4.8iS N62s born 2006-03-16
E90 325i N52 born 2006-03-28
F30 328i N20 born 2012-09-06

__________________
"better the devil you know than the devil you don't"
2003-03-04 E53 X5 4.4i M62 [SOLD]
2006-03-16 E53 X5 4.8iS N62s
2006-03-28 E90 325i N52 [TOTALED]
2012-09-06 F30 328i N20 (CEO's)