BMW E38 E39 FOLDING Mirror Driver Master Power Window Switch LEFT # 6-904-301
BMW E38 E39 DRIVER side (LH) power-fold mirror master power window Switch.
Part # 6 904 301
Fits 2001 E38, & 2000-2003 E39 M5, models with power-folding mirror option.
Obviously your model must have have power-folding option in order to work that feature button on this switch.
