[Racing Teatray]

No idea regarding the seats. But for the price I'd hope leather seats were standard. I did gather xenons would be standard.

I don't think it matters that this is not a bespoke M unit. Under the circumstances and predicted low volume (my understanding is that it's not going to be limited to a set production number, but that nevertheless it'll be like the Audi RS4 - limited by the fact it won't be on sale for that long given the base coupe is nearing the end of its lifecycle), it simply isn't realistic to expect a bespoke M engine. It must be cheaper to modify the N54 which is already engineered for the chassis, rather than the old Z4M's engine, which wasn't.

According to the M engineer who rode shotgun in the white car I drove, they used the older N54 biturbo unit rather than the new N55 single turbo unit, because the N54 was easier to tweak it to provide the expected M car responses compared to the N55 which is engineered more for better efficiency and economy.