The BMW 740iL achieves optimum performance within certain parameters, and requires that maintenance is performed as needed. The BMW 740iL Oxygen Sensor seems like a minor part, but it can have a great effect on engine performance and efficiency. Achieving the best fuel mixture - that is, ratio of liquid fuel to oxygen - is a balancing act.

Too lean a mixture will mean poor power and performance. Too rich a mixture, on the other hand can decrease gas mileage and increase exhaust emissions.

By detecting the amount of leftover oxygen in the exhaust gases, the BMW 740iL Oxygen Sensor is able to deliver an electronic signal to the fuel-injection system, which automatically adjusts the mixture for the driving conditions of moment. The BMW 740iL oxygen doesn't start becoming operational until the engine reaches operating temperature, however, so signals don't reach the fuel injectors until the engine is fairly hot. When the oxygen sensor is defective or suffers damage, it can result in lower engine performance, decreased fuel economy, polluting exhaust. When you notice these symptoms, it's time to replace your old unit with a new factory authorized BMW 740iL Oxygen Sensor. You'll find low discount prices on a complete selection of authentic BMW parts in our online catalog. An oxygen sensor is inexpensive and fairly easy to switch out. Neglecting to replace a defective oxygen sensor with a genuine BMW replacement will be more expensive in the long run. Get your new BMW 740iL Oxygen Sensor from us today, and you'll do more than save fuel - you'll save your valuable time while you save money.Log on and see for yourself what great deals we have for you.