Features:

  • Size:44.3mm(1.7'')*16.7mm(0.66''),Swirl flap delect plug, made of high quality with aluminum alloy, durable and tough for long time using.
  • The material of the end caps is the same as of the intake manifold, additionally reinforced with glass fiber.
  • Blanks plug for BMW M57 which is easy to install and convienent to use.
  • Lack of differences in the thermal expansion between the manifold and the caps.
  • Swirl flap delect plug, a nice replacement. for your old or damage one.