Originally Posted by Tim Rice
For reasons I don't understand, my M3W does not have the P090037 ECU COVER PANEL (the rectangular box to the rear of the battery, protecting the ECU/Fuse box/etc). …
Presumably someone forgot to refit it? Any chance you can check with previous owners or garages?

M3W5sp 2015, MSCC, MTWC, Oxon UK