The BMW 745e xDrive Oil Cooler Hose keeps the hybrid powertrains operating at optimum temperatures, allowing drivers to press on the gas without concern for overheated lubricant. Designed to pass pressurized engine or transmission oil through the factory heat exchanger and back again, the Oil Cooler Hose handles up to 150 psi and about 300 degrees Fahrenheit, protecting viscosity on spirited acceleration or a long hill climb. Whether fitted to an early or late production 745e xDrive sedan, each Oil Cooler Hose is identical in length, bend, and inner diameter, so that clamps are a perfect fit and kinks never appear. Two purpose-built versions exist, the four to five inch driver side line for engine lubrication and a slightly longer passenger side line for the red transmission fluid, both tuned to the specific cooling architecture that distinguishes BMW luxury hybrids. Fast warm-up yet stringent peak temperature control equates to less friction, steadier fuel economy, and longer component life, and is reminiscent of the 745e xDrive mission of melding efficiency and speed. An OEM specified Oil Cooler Hose also assists the electric motor and six cylinder engine share duties harmoniously with each other without any sudden spike in temperature that could trigger limp mode or warning lights, thus maintaining the sedan's seamless handoff between power sources. Integrating reinforced inner layers and heat resistant outer sheathing, this Oil Cooler Hose shrugs off road debris and under hood vibration, a durability trait that has given it a reputation for reliability among BMW owners the world over. Regular inspections ensure that the BMW cooling loop remains intact, and Oil Cooler Hose replacement is a fast way to protect the 745e xDrive drivetrain from costly heat damage. Backed by BMW laboratory testing, the 745e xDrive cooling circuit stands up to the test of track days as well as daily commutes. This commitment is an expression of the long standing BMW heritage of precision.
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