Took it into BH BMW with a video of the sound, let them know I believed it was the AC Blower Motor- 4 days later they called to confirm they "believed" that was the case. Another 24 hours to get a confirmation from BMW that it would be covered under CPO, then another 3 days to preform the work. 3 days in now and no squeaking / chirping thus far.

This Siemens VDO Eccentric Shaft Sensor for the Valvetronic valve timing system on BMW N62,N73, and N62N engines. This sensor is mounted on the rear of the engine near the firewall. Sold individually. OEM VDO is one of the largest OE providers in the world, supplying numerous vehicle brands, including BMW, with many of their genuine parts that
Schwankendes Gebläse BMW, Gebläseendstufe wechseln - Igel, E46 E36 E39 E83 X3 E53 X5 Lüfterendstufe / How To Replace Blower Motor Resistor, FSU FSR Hedgehog
Buy 27107566296 4WD Transfer Case Shift Actuator Shift Motor with Resistor Replacement for 2003-2010 BM-W E53 X5 E83 X3 ATC400 ATC500 ATC700 27107541782 27103455136 GELUOXI: Transfer Case Components - Amazon.com FREE DELIVERY possible on eligible purchases
Also, E46 and E83 blower motors will fit as well. The E83 blower motor is cheap from BMW, but I do not know if the cages are detachable. If I can smoke, then go do this in an hour and a half (first time replacing a blower for me, too), I figure most of us on here can do it in two hours or less without smoking or drinking beforehand/during the This is why I always set my blower motor as low as possible (1-3 notches from Min) to prolong the life of the blower motor. - 1998 528i with 185K miles: blower motor still stock. - 2006 X5 with 138K miles: blower motor still stock. Later BMW models and most Volvos: blower motor sits under glovebox, making replacing very easy: about 1h job.
The FSU is made by Behr (OEM). The cost was $59.99 shipped. It took an hour to install and it was a pain in the neck (literally) due to its location under the dash. If you have problems with your back/neck/shoulders I'd recommend to delegate this repair to a shop technician (hopefully without these problems).
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  • bmw x5 e53 blower motor replacement