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The first refinement in crankcase ventilation was the road draught tube. This is a pipe running from the crankcase (or the valve cover on an overhead valve engine) down to a downwards-facing open end located in the vehicle's slipstream. When the vehicle is moving, airflow across the open end of the tube creates suction (a "draught" or draft ...
The BMW M56 is a 2.5-liter 184-PS (135 kW; 181 bhp) straight-six engine. ... The crankcase ventilation valve is incorporated in the aluminum cylinder head cover. [5]
In 2012, a "Technical Update" was applied to the N63, resulting in the N63TU variants (also known as N63B44O1).The main upgrade was the addition of Valvetronic. [11] [12] Other changes include revised turbochargers, removal of the blowoff valve, lighter pistons, forged connecting rods and crankshaft, addition of a valve cover labyrinth oil catch/return system, new valve stem seals, revised ...
In 2017, BMW recalled 740,000 six-cylinder models due to reports of the heater for the crankcase ventilation valve short-circuiting and causing a fire. [27] In 2023, 155,627 vehicles were issued a recall for VANOS bolts that could loosen or break over time. [28]
The BMW M57 is a straight-6 diesel engine ... The block and the crankcase of the first ... Every cylinder has two inlet and two exhaust valves as well as two ...
The N40 is based on the BMW N42 engine and uses the same crankcase, pistons and bore size of 84 mm (3.3 in). The redline is 6,500 rpm. The redline is 6,500 rpm. Unlike the N42, the N40 does not have Valvetronic (variable valve lift).