Oil Filter leak? on 1996 BMW 328is

1996 BMW328IS is leaking oil when the car is running. It flows from in between the cap and container. The filter is lcoated near the front of the car by the fan. Is this the oil filter and what is the cause?

Asked by for the 1996 BMW 328is
is the filter tight?make sure it only has 1 gasket on it.