Exactly. I did the same thing and finally was like screw it I'm gonna just buy it and see how it goes. Worked out well!
2007 E92 335i - Retired
2011 E92 6MT 335is - JB4, Stett CP, Synapse BOV, Wagner FMIC, BMS OCC, CDV mod, Cyba Scoops, BMS Clutch Stop, P3Cars v2.1 vent gauge, LED side markers.