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 Copper O-Ring A20x24 - 07119963342 $5.00 Quick View M20 Camshaft Plate O-ring 53mmx2mm - 11121265087 $5.00 Sold Out Quick View M20 Oil Drain Tube Flat Retaining Washer - 11151280937 $9.00 Sold Out Quick View N52 N54 N55 S55 Oil Pump Chain Guide - 11317523891 $35.00 Quick View Fuel Injector Gasket Ring - 13532247156 (each) $4.50