Does not fit F chassis N55 No installation instructions. Performance Intake Turbo Charge Pipe with 50mm BOV for BMW N54. The N54 aluminum replacement chargepipe is a great high quality low cost upgrade to your flimsy factory plastic chargepipe. Your Full and Correct Address, Postcode(Make sure address is correct and we sent the goods only by the eaby address). Our logistics department cannot deliver your orders during weekends / holidays / office closed hours or at special timing. Import Duty & Other Charges. It will surely help us in better serviceability and would also assist us in improving our business standards. We assure you of resolving it in the best possible way. China Beijing time (GMT+8.0). Monday to Friday only(excluding Holidays).