Radium Engineering AN10 Conversion PCV Fittings (M54/N54/N55/S55)
Radium Engineering’s PCV hose conversion fittings for M54, N54, N55 and S55 engines as well as many others. Simply and neatly converts your crankcase breather hose to AN10 for efficient plumbing of catch cans etc.
Fits many BMW models.
Available on back-order