New Parts › M20 Oil Return Drain Pipe O-ring - 11151714390 Image 1 of 1 M20 Oil Return Drain Pipe O-ring - 11151714390 $7.00 Sold Out O-ring used to seal the oil drain pipe back to the sump. 2x required.BMW Part Number: 11151714390. Get notified by email when this product is in stock. Sold Out Added! O-ring used to seal the oil drain pipe back to the sump. 2x required.BMW Part Number: 11151714390. Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More You Might Also Like Quick View E46 M3 S54 Water Pump O-Ring - 11537830709 $13.50 Sold Out Quick View Turbocharger Oil Line O-Ring - 11427578079 $9.00 Quick View N52 N54 N55 S55 Oil Pump Chain Guide - 11317523891 $35.00 Quick View E46 M3 Gasget O-ring - 11537830708 $7.50 Quick View M20 Oil Drain Tube Flat Retaining Washer - 11151280937 $9.00 Sold Out