Turbo Oil Drain Gasket - BMW N20 / N55 / S55The GENUINE part, as sold new by the dealer. Part # 11 42 7 577 017 11 42 7 577 017 11427577017

and maybe you've considered brands such as Vorsteiner

EXTREME THERMAL RESISTANCE AND STABILITY: Very high boiling point (325°C / 617°F)

Length: 81 mm 3

OE Part # 2303380015 / 230-338-00-15 / 230 338 00 15

Direct Replacement

Thermocouples were placed at the top and bottom of the core to measure cooling effectiveness and cooling distribution across the entire unit

8 2007 thru 2010

Built to last using the highest quality materials and the most technologically advanced manufacturing processes

- 16x JHM HD Performance Exhaust Valves w/ Coating

X3 G01   (10/2016 — 01/2020)

All required hardware needed for installation

OE Part #   026-906-161 / 026 906 161 / 026906161