Originally Posted By Richard Wood

Guess any water that comes in through the slots is free to drop out of the cover courtesy of the spacing washers.

There is actually a large cutout in the underside of the cover to facilitate this, sorry no pics. but it is approximately 10mm x 40mm.

2021 M3W
2013 M3W - Sold
1971 4/4 2 Seater
1934 Sports