BMW 1 F21 Intercooler Air Charge Pipe Turbo Hose 13718601683 NEW GENUINE. Title – BMW 1 F21 Intercooler Air Charge Pipe Turbo Hose 13718601683 NEW GENUINE. Model – 1 (F21). Part number – 13718601683 8601683. Year of Vehicle – 2015. This part is brand NEW, directly from factory (Not Chinese replacement or Refurbished like other sellers have for same price), 100% suitable and Original. Please pay within 3 days of ordering. If you are not happy with your item please return in the original packaging and with all tags attached within 30 days.