BMW 3 Series Fuel Pump

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The stock fuel pump on your BMW 3 series vehicle could be either mechanically or electrically triggered depending on the model. The fuel pump basically forces the fuel to move from the gas tank towards the fuel injection system and to the cylinders. It also allows the fuel to move in the right pressure and volume in order for the engine to run smoothly and thus producing more power. This is an essential component of all internal combustion engines that delivers a low pressure of fuel to the carburetor type and high pressure to the injection type engines. Some BMW 3 series model with a fuel injected engines uses two fuel pumps for this purpose of providing a low pressure and high volume supply of fuel from the tank and one for high pressure and low volume fuel that is mounted near the engine.

BMW 3 series models that are produced before the late of 1970’s virtually uses a mechanically driven fuel pump that is connected to the engine’s camshaft using a lobe and is bolted along the engine block. This type of fuel pump is difficult to diagnose if it starts to fail and some times must be replaced as a whole unit. Nevertheless, today’s BMW 3 series models uses an electrically driven fuel pump that is more efficient in providing exact pressure and volume of fuel that the engine needs. This type of fuel pump is basically located inside the tank for it to handle the fuel vapor well and won’t ignite easily since it is submerged in a cool liquid.

Typically, a fuel pump does not require regular maintenance but should be replaced if the volume and pressure of the fuel that is being delivered to the engine starts to vary. Pressure and volume of fuel delivery may drop off or increase dramatically causing for the engine to run roughly, this can be a warning sign of an impending fuel pump failure. A professional service technician can usually identify a pump problem quickly and precisely.

If you need to replace your stock and faulty fuel pump, Parts Train can provide you with the best quality and high performance BMW 3 series fuel pump that is assured to restore the smoothness and efficiency of your engine. High performance BMW 3 series fuel pump is able to supply your engine with more fuel in a given amount of time than the stock pumps you are using. Our online catalog is always ready to accept your BMW 3 series fuel pump order that is guaranteed to be delivered with utmost care in front of your doors.

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