I was really hoping you wouldn't post photos, OP, as I thought it would make for a great thread idea.
Could you start a new thread, something like, 'what color is my bumper?' but not post a photo. If the guys haze you, just play along...could be fun.
Search for my thread on rear bumper painting...I posted a link to a place that sells paint...enter your year and model and you'll find every red bmw did that year/model.
If there isn't a badge on your strut tower, then look behind and below headlight on the front wheel well.
Also, for my color, there is a 3-digit code that can be important. BMW made two Fern Green Metallics--different codes--similar but not the same.
As desperate as this sounds, in comedy, 'likes' and 'views,' 'friends,' and 'retweets' really help. If I've ever helped you, please help me by friending, liking, viewing, and retweeting. It makes others think I have a following...it'll take you a minute or less. If you could, I'd really appreciate it!
A recent set--NSFW audio: https://youtu.be/_dcxcZfD6dg
Mangofy your E46!