Awesome thread, subrscribed, can't wait to reference it when I'm ready to begin my upgrade.
Not to thread jack, but it's relevant and I'm curious what first upgrade is better for sound with bass improvements? Assuming both are close in budget, which is most impactful?
SWS8s and amp + stock L7
MS8 + center + stock L7
2013 Mineral Grey 335i | M-Sport, HUD, NAV, CF M Perf Trunk Spoiler, M Perf Grill