The Black Market Parts OE SPEC N54/ N55/ S55 CHARGE PIPE O-RING is made out of Viton capable of withstanding all fuels (including e85) as well as oils. These o-rings are made to OE specifications and are a direct replacement for the seal found in your factory or aftermarket charge pipe.
For more product details see the specifications tab
Specifications
Weight: .70 lbs
Elastomer Type: Viton
Fuel Compatibility: All
Size / Fitmen: Fits all OEM applications
Quantity of o rings per kit: 1 piece
Interchangeable with BMW Part Number: 13717568031