BMW 3 Series E46 (1998 - 2007) - timing belt or chain?

Petrol engines

Model Power \| Displacement \| Cylinder \| Engine	Camshaft drive system Timing belt or chain
BMW 316i 77 kW / 103 hp / 105 PS \| 1895 cc \| 4 \| M43TU B19 UL	timing chain
BMW 316i / 316 ti / 316Ci 85 kW / 114 hp / 116 PS \| 1596 cc \| 4 \| N45 B16O1	timing chain
BMW 316i / 316 ti 85 kW / 114 hp / 116 PS \| 1796 cc \| 4 \| N42B18 / N46B18	timing chain
BMW 318i / 318Ci 87 kW / 117 hp / 118 PS \| 1895 cc \| 4 \| M43TU B19 OL	timing chain
BMW 318i / 318 ti / 318Ci 105 kW / 141 hp / 143 PS \| 1995 cc \| 4 \| N46B20 / N42B20	timing chain
BMW 318Ci 110 kW / 148 hp / 150 PS \| 1995 cc \| 4 \| N46B20	timing chain
BMW 320i / 320 Ci Ci 110 kW / 148 hp / 150 PS \| 1991 cc \| 6 \| M52TU B20	timing chain
BMW 320i / 320 Ci 125 kW / 168 hp / 170 PS \| 2171 cc \| 6 \| M54 B22	timing chain
BMW 323i / 323 Ci 125 kW / 168 hp / 170 PS \| 2494 cc \| 6 \| M52TU B25	timing chain
BMW 325i / 325ti / 325Ci / 325xi 141 kW / 189 hp / 192 PS \| 2494 cc \| 6 \| M54 B25	timing chain
BMW 328i / 328 Ci 142 kW / 190 hp / 193 PS \| 2793 cc \| 6 \| M52TU B28	timing chain
BMW 330i / 330 Ci / 330 xi 171 kW / 229 hp / 231 PS \| 2979 cc \| 6 \| M54 B30	timing chain
BMW M3 252 kW / 338 hp / 343 PS \| 3246 cc \| 6 \| S54 B32	timing chain
BMW M3 GTR 257 kW / 345 hp / 350 PS \| 3246 cc \| 6 \| P60 B40	timing chain
BMW M3 CSL 265 kW / 355 hp / 360 PS \| 3246 cc \| 6 \| S54 B32HP	timing chain

Model Power \| Displacement \| Cylinder \| Engine	Camshaft drive system Timing belt or chain
BMW 318d / 318td 85 kW / 114 hp / 116 PS \| 1951 cc \| 4 \| M47 D20	timing chain
BMW 318d / 318td 85 kW / 114 hp / 116 PS \| 1995 cc \| 4 \| M47 TUD20	timing chain
BMW 320d 100 kW / 134 hp / 136 PS \| 1951 cc \| 4 \| M47 D20	timing chain
BMW 320d / 320td / 320 Cd 110 kW / 148 hp / 150 PS \| 1995 cc \| 4 \| M47TUD20	timing chain
BMW 330d / 330xd 135 kW / 181 hp / 184 PS \| 2926 cc \| 6 \| M57 D30	timing chain
BMW 330d / 330xd / 330Cd 150 kW / 201 hp / 204 PS \| 2993 cc \| 6 \| M57TUD30	timing chain