Deflection Pulley, Genuine BMW - F10 535d, F15 X5 40d

Genuine deflection pulley for N57. Replaces BMW part #11288511737.

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Price:
$74.85

This is the deflection pulley used on the N57 Diesel engine F10 535d and F15 X5 40d models.

Only for cars with Adaptive Drive or Dynamic Drive.

The pulley contains a set of bearings, that when worn, will produce a screeching or rumbling sound. It's important to inspect and replace the pulley regularly. Spin the pulley by hand and listen for grinding or rumbling sounds and if there is resistance. All of these are signs of bad bearings. The pulley wheel is made of plastic and they are known to crack and snap and get flung around the engine compartment. They can damage your radiator, hoses, fan, and other critical items that will lead to a more expansive/expensive repair. Since the deflection pulley is bolted in place, not pressed on, it is easily replaced during a routine belt change.

This is a Genuine BMW X5 deflection pulley with a two year warranty. Buying a Genuine part will usually be more expensive than an OEM or aftermarket brand but you are assured that it meets BMW's designs for fitment, performance, and longevity. It will also be the very latest design, incorporating any updates or revisions that an aftermarket brand typically will ignore.

BMW Fitments:

5 Series
F10 / F11 (11-16) > 535d
F10 / F11 (11-16) > 535d xDrive
X5 Series
F15 X5 (2014-2018) > X5 xDrive35d
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