Professional, transparent, friendly, fair, informative, quality work, on-time. They have done work on my 528i 4-5 times the last 3 years. Worked me in this week when I didn't have an appt. No complaints. This is my 5th BMW over about 30+ years so it's not my first rodeo about the high cost to maintain and or repair the Ultimate Driving Machine when it is needed. However, I think the parts and labor rates are higher than they should be.