Hi there, I have a fuse that keeps blowing on my engine bay fuse box. It's the F7 7.5A fuse (engine symbol with lightening bolt through it, but there are several symbols identical to that one so it only tells me it's engine-related).

​​​​​​I've replaced it several times and it blows each time after even a short drive.

Strangely, it seems to affect nothing... I have no idea what this fuse is connected to, and I have searched high and low and cannot find a legend anywhere to tell me what these fuses mean. I have found fuse legends for 1st gen minis, and for the 2nd gen cooper, but the clubman r55 (mine is a base non-S) seems to have its own unique fuse layout under the hood. Does anyone know what the F7 7.5A fuse is for? Or a legend for this particular fuse box would be super handy.

Thanks.