N54 (twin turbo) 6 cylinder engine. For BMW 335 E90 E92 E93 ( 2dr ,4dr, conv) 2006-2011. Material: Aluminium. For BMW 135 E80 E82 ( 2dr, conv) 2008-2011. All Aluminum include Core & Tank. Inlet/ Outlet: 63/63 mm.
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