My M550 was a CPO purchase so I had to take what I could find. It has DHP but no B&W. You’re right that it’s hard to find a car with both. HK is fine but I have B&W in my X5 and would have liked it in the M550 too.
Edit: I saw this car listed recently - has both DHP and B&W
https://www.herbchambersbmw.com/cert...1a98811f40.htm