With the 5 buttons? The case is £20 off eBay!! I did both

Yes, I leave a trail of drips. However I will get a new cap ASAP and bung up the pipe for now. Thanks

Pool of engine oil on the drive! It looks like it is blowing out of the little pipe on the right hand front of the engine, which I believe is for vacuum oil draining. The rubber cap is missing which may mean nothing and may be a red herring...