Simply the best way to feed your turbo with consistent oil pressure on BMW M50, M52 and M54 engines. The adapter fitting is installed in place of the bottom VANOS oil pressure hose bolt and allows the VANOS to function as normal, why feeding the turbo oil through a -4 AN fitting
Pair with a oil line to complete the kit, either in the short version for top mount turbo's, or long version for bottom mount setups. Line is braided stainless outer and Teflon inner. This line has a 4AN 90 degree fittings on each end.