Somehow I think that you will get static from your better half if you pick a real name. There will always be a Heather, Jenna, Jessica, or whatever she won't like. I kind of like your daughter's suggestion. It's funny and should not offend your wife. Maybe go for more of a title than a name. That would be more innocuous and certainly be more fun. You could also add a German sounding last name too.

My E53 does not have a name.

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