New Parts › M20 Oil Return Drain Pipe O-ring - 11151714390 Image 1 of 1 M20 Oil Return Drain Pipe O-ring - 11151714390 $7.00 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. Add To Cart 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 Engine Oil Filter Housing O-Ring for M10 M40 M42 Engines - 11421709513 $7.00 Quick View M20 Camshaft Plate O-ring 53mmx2mm - 11121265087 $5.00 Sold Out Quick View N46N Seal Kit for Vacuum Pump - 11668626471 $26.00 Sold Out Quick View E46 M3 Gasget O-ring - 11537830708 $7.50 Quick View Copper O-Ring A20x24 - 07119963342 $5.00