BMW N52 N53 N54 N55 S55 B58 valve stem seals kit 11340034068

Direct-fit OEM-spec valve stem seals for BMW straight-six petrol engines: N52, N53, N54, N55, S55 and B58. Part number 11340034068 - the exact seal used by BMW dealers.

Fix blue smoke on idle, reduce oil consumption and stop oily spark plugs. Ideal for fast-road or track-day engine refreshes where head work is already planned.

• Factory-correct dimensions and material - no trial-and-error fitting
• No modifications needed: drop-in replacement during head service or preventative maintenance
• Stocked in the UK - ships same day if ordered before cut-off