Rotary knob with washer — a genuine BMW part, number 51 47 6 989 252. The number stamped on the part is 51476989252; BMW's catalog files it under the short number 6989252. You will find it on our Interior Body shelf, under Other Body equipment parts.
It fits the E46 compact (316ti, 318td, 318ti, 320td and 325ti, 2001–2004), with the M47N, M54, N40, N42, N45 or N46 engines.
BMW draws it on 2 diagrams, among them Lateral Trunk Floor Trim Panel (51_4337) and Lateral Trunk Floor Trim Panel (51_5848). It weighs about 10 g (under 0.1 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
