Factory option for the "B" are:
6.5J x 15 - 195/55 R15
6.5J x 16 - 195/45 R16
6.0J x 15 - 185/45 R15 (this will also allow snow chain use)
A 7J will be OK howerver you will to check the PCD of 98mm. I have no data for the ET offset fo this my be stamped on your existing wheels or you will have to measure it.