Turbo Oil Hose O-Ring - N55 S55 B58

This is the Genuine BMW O-Ring for the Turbo Oil Line / Oil Hose, part number 11427590577. If you are replacing your turbo oil lines, or chasing down a leak in the connection, you may want to have a couple of these handy. These are high-temp o-rings made specifically for sealing the oil line connections on the N55, B58, and S55 engines. 

This part is listed by BMW as BMW part number 11427590577 (11-42-7-590-577) and is described as O-Ring - 11mm x 1.78mm. It's the o-ring seal commonly used to seal the oil hoses to a turbocharger or to the engine block.

This is a Genuine BMW O-Ring with a two year warranty. Buying a Genuine part will usually be more expensive than an OEM or aftermarket brand but you are assured that it meets BMW's designs for fitment, performance, and longevity. It will also be the very latest design, incorporating any updates or revisions that an aftermarket brand typically will ignore.

For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.