Nice thing is...you don't "have" to do it all at once.
I had a few months to wait on mine being built...so I bought a little here...a little there...in that time. Added a few things as time as gone by.
Like GOLFFRR said...it's more of a hobby.
2011 E92 M3
| Melbourne Red | Black Novillo w/Carbon Leather Trim | M-DCT | Competition Package | Premium Package 2 | Convenience Package | Enhanced Premium Sound | Heated Front Seats
2004 E46 M3
| Silver Grey | - Retired