Here's what I got back. Not entirely sure what to make of this. I'm assuming this was the later model gasket that was available until recently, but not sure. Chris, you or someone else more knowledgeable want to weigh in?
Dear Mr Haas,
Thank you kindly for your email.
No, this is not correct.
Readily we inform you that the part numbers 1 828 248, 1814611, fit for all BMW ECE models, this means only the one, which where produced for the European market, 2500-3.3Li, produced from 1968 to 1977.
Thank you for your interest, see you soon at the BMW Classic Part Shop.
If you have any additional questions please do not hesitate to contact us via email or telephone.
Our opening hours are: Monday to Friday, from 8:00 a.m. to 8:00 p.m. (CET).
Yours sincerely,
Aysun Kazan
Dear Mr Haas,
Thank you kindly for your email.
No, this is not correct.
Readily we inform you that the part numbers 1 828 248, 1814611, fit for all BMW ECE models, this means only the one, which where produced for the European market, 2500-3.3Li, produced from 1968 to 1977.
Thank you for your interest, see you soon at the BMW Classic Part Shop.
If you have any additional questions please do not hesitate to contact us via email or telephone.
Our opening hours are: Monday to Friday, from 8:00 a.m. to 8:00 p.m. (CET).
Yours sincerely,
Aysun Kazan