07-16 BMW 135i 335i 535i 740i X6 Z4 3.0L N54 TWIN TURBO ENGINE CYLINDER BLOCK. 2008 535xi bmw m sport. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts & Accessories\Engines & Engine Parts\Engines". The seller is "aoneautollc" and is located in this country: US.