BMW Side View Mirror Types Explained

BMW 5′ 6′ 7′ Series auto-dimming vs. heated mirrors

The side view mirrors on you BMW may be two different types. The more expensive is heated and also one has an auto-dimming function also called Electrochromic (EC). The second more popular option is only heated. Both mirrors have the same size mounting tabs but different connectors as seen below: 

we offer the euro aspheric option
Auto-dimming vs. heated mirror for BMW 5 6 7 series difference explained

51167228611 (old number 51167186589) USA LH Side EC
51167251585 (old number 51167186583) USA LH Side Non EC
51167251583 (old number 51167186581) EURO LH Side Aspherical Non EC