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 Engine Oil Filter Housing O-Ring for M10 M40 M42 Engines - 11421709513 $7.00 Quick View E46 M3 S54 Water Pump O-Ring - 11537830709 $13.50 Quick View Turbocharger Oil Line O-Ring - 11427578079 $9.00 Quick View BMW Cam & Crank Sensor O-Ring - Green seal for Sensors - 17x3mm - 12141748398 $4.00 Quick View Fuel Injector Gasket Ring - 13532247156 (each) $3.50