Home » A New Number in the Series. The 4 has arrived! » BMW 4-Series launch BMW 4-Series launch October 19, 2013 benautobahn 0 Previous: A New Number in the Series. The 4 has arrived! About The Author benautobahn Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ