The NSB railcar type BM87 was very common on the Grimstad Line in real life. BM87 was used in all passenger trains in the last years of the line's existance. As you can see from the video I posted here earlier, they were often used together with a small baggage car popularly called the "suitcase". Earlier this year NMJ announced the BM87 in 1:87, so naturally I had to have one. I haven't received it yet, so while I'm waiting, here's a picture of a pre-production prototype. With suitcase and all...
Bm87 at Treungen in 1967. Photo : Ulf Berntsen
