"BMW's Marriott corporate code does not have specific community-documented denial cases. FlyerTalk's general corporate code thread warns: "Every hotel has the right to ask for identification that associates with the corporate code — but very few actually do." BMW is a premium brand with a recognizable code, moderately identifiable to hotel staff. European properties — especially in Germany — carry a higher verification risk."

"I work for the front desk, at a Marriott, & have for the last 8 years .... So when it comes to room upgrades; it goes based on AVAILABILITY... sometimes no matter the tier, if we have it available - I will upgrade the guest. Now of course, higher tiered members get dibs on the upgrades first but after we go through the higher tiered members, Ambassador, Titanium, Platinum - then we go through the other ones. I cannot express this enough : BEING NICE & POLITE AT THE DESK GOES A LONG WA"

"I occasionally try to get the corporate rate for a company I'm visiting in the area (for sales/consulting). Only once has a front desk clerk asked me to prove my eligibility, and she was satisfied by me giving the name and telephone number of the person I was visiting."