BMW Mini R50 / R52 / R53 (2001-2006) brake servo non-return vacuum check valve. Removed from a scrapped vehicle GENUINE BMW MINI part Part number; 6 761 456 Suitable for Mini models with the W10 or W11 PETROL engine Ideal to replace a faulty one Includes rubber grommet / seal A similar one can be seen fitted in the final two photos for illustration.