The Crankshaft Gear for the BMW 3.0CS ensures the straight six engine runs smoothly and powerfully. Made with high-quality steel, the Crankshaft Gear resists heat and wear, which means spark and valve events stay perfectly in time year after year. The Crankshaft Gear utilizes a tight press fit along with a keyed slot, which prevents any rotation slip. The teeth on the gear are cut in such a way that they lock into the timing chain, therefore preventing a loss of power that can cause overlap or clashing of the valve. Two pitches are available: a coarse pitch for early 3.0CS cars and a finer one for later cars. This allows you to match up to the original BMW specs and reduce noise. The absence of any extra parts means the Crankshaft Gear simply slides over the crank nose and works with the factory chain across carbureted, fuel injected, and special edition 3.0CS. The shaft has the Crankshaft Gear that keeps the cam component and crank component in phase to sharpen BMW throttle response while increasing fuel efficiency of the 3.0CS and protecting pistons during high RPM bursts. Motorists observe rapid cold starts and a stable idle, and the traditional BMW exhaust note also remains sharp because timing never drifts. The light weight and balanced design of the Crankshaft Gear do not create any unwanted vibration, and the simple dimensions allow weekend drivers to complete the installation in just an afternoon. The Crankshaft Gear, once torqued down, joins forces with the renowned straight six to deliver a confident surge that made the 3.0CS a grand-touring reference. Fine machining reduces chain chatter, which BMW says reduces noise in the cabin and allows the oil pump to spin at ideal speed for longer bearing life. The Crankshaft Gear helps maintain mechanical timing and ensures that the brake assist as well as power steering systems run off steady engine vacuum for added safety during spirited driving. This reliability cements the BMW legacy of the 3.0CS and keeps enthusiasts smiling every time the key is turned.
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