This might help if (like me

)you have lost any of the black plastic screws that hold on the the engine cover.
Been meaning to do mine for ages and only just got around to doing it.
Part number from vw : N90801101 IIRC cost about £1

Engine Cover Locking Pins:
N 90801101 - locking spigot x4 - £1 each
N 90663301 - washer x4 - 27p each
06B103638 - gromet x4 - £1.50 each