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The N52 was the first water-cooled engine to use magnesium/aluminium composite construction in the engine block. [1] It was also listed as one of Ward's 10 Best Engines in 2006 and 2007. [2] [3] [4] In European markets, the N52 began to be phased out in favor of its direct injected version, the BMW N53 in 2007. Markets such as the United States ...
However, once water boils, it is an insulator, leading to a sudden loss of cooling where steam bubbles form. Steam may return to water as it mixes with other coolant, so an engine temperature gauge can indicate an acceptable temperature even though local temperatures are high enough that damage is being done. An engine needs different temperatures.
The engine temperature on modern cars is primarily controlled by a wax-pellet type of thermostat, a valve that opens once the engine has reached its optimum operating temperature. When the engine is cold, the thermostat is closed except for a small bypass flow so that the thermostat experiences changes to the coolant temperature as the engine ...
Isuzu 6H Engine; Overview; Manufacturer: Isuzu and General Motors: Layout; Configuration: Inline six-cylinder: Displacement: 7.1–8.2 L; 434.9–502.0 cu in (7,127–8,226 cc) Cylinder bore: 115 mm (4.53 in) Piston stroke: 125 mm (4.92 in) Cylinder block material: Cast iron: Cylinder head material: Cast iron: Valvetrain: SOHC 4 valves × cyl ...
Several markets outside Europe only offered a small subset of models in the estate body style. In the United States and Canada, the only estate model available prior to 2007 was the 325xi, [24] and then the 328i and 328xi from 2007 onwards. The Australian market received only a handful of models which included the 320i, 320d and 323i until the ...
OBD-II PIDs (On-board diagnostics Parameter IDs) are codes used to request data from a vehicle, used as a diagnostic tool.. SAE standard J1979 defines many OBD-II PIDs. All on-road vehicles and trucks sold in North America are required to support a subset of these codes, primarily for state mandated emissions inspections.
The engine was modified by the addition of an Alpina specific ECU, oil cooler and lighter and stronger MAHLE pistons. [5] These modifications allowed the engine to generate 360 PS (265 kW; 355 hp) between 5,500 rpm to 6,000 rpm and 500 N⋅m (369 lb⋅ft) of torque at 3,800 rpm to 5,000 rpm. The engine has a red-line of 7,000 rpm.
[6] [7] [8] Since the N54 is based on the older BMW M54 engine, it has an aluminium engine block (instead of the magnesium alloy used by the N53), a displacement of 2,979 cc (181.8 cu in) and does not have valvetronic (variable valve lift). [9] Turbocharging is a key difference between the N54 and BMW's previous straight-six engines.