Uploaded August 2025 | Updated September 2026, 3 hours ago

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In this video we diagnose a bmw 5 series f10 b5 Alpina twinturbo.
Sometimes the hvac blower speed can't be controlled.
Another shop already replaced the Blower motor with the blower motor end-stage but this didn't fix the issue. We'll need our scantool and Picoscope! We have got a faultcode stored for the linbus. Can we diagnose the issue together?
Enjoy the video!

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