Comfort backrest — a genuine BMW part, number 52 23 9 405 255. The number stamped on the part is 52239405255; BMW's catalog files it under the short number 9405255. You will find it on our Interior Body shelf, under Other Seats parts.
It fits the E36 touring and compact (318ti, 1995–1999), with the M42 or M44 engines — and the European-market versions. It also fits the E46 sedan and touring (320i, 323i, 325i and 328i, 1999–2005), with the M52, M54 or M56 engines — and the European-market versions.
BMW draws it on 4 diagrams, among them Child seat-integrated accessory (03_3016) and Child seat-integrated accessory (03_3017). It weighs about 1.0 kg (2.2 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
