| 1 | A | B | C | D | E | F |
| --- | --- | --- | --- | --- | --- | --- |
| 2 | BMW 3 Series (E21) - Engines |  |  |  |  |  |
| 3 | Model | Years | Headlights | Engine | Power | Torque |
| 4 | 315 | 1981-1983 | Single | M10 (M98) carb I4 | 55 kW (74 bhp) at 5,800 rpm | 110 N⋅m (81 lb⋅ft) at 3,200 rpm |
| 5 | 316 | 1975-1980 | Single | M10 (M41) carb I4 | 66 kW (89 bhp) at 6,000 rpm | 123 N⋅m (91 lb⋅ft) at 3,000 rpm |
| 6 | 316 | 1980-1981 | Single | M10 (M118) carb I4 | 66 kW (89 bhp) at 5,500 rpm | - |
| 7 | 318 | 1975-1980 | Single | M10 (M118) carb I4 | 72 kW (97 bhp) at 5800 rpm | 143 N⋅m (105 lb⋅ft) at 4,000 rpm |
| 8 | 318i | 1980-1981 | Single | M10B18 injected I4 | 77 kW (103 bhp) at 5,800 rpm | 148 N⋅m (109 lb⋅ft) at 4,500 rpm |
| 9 | 320 | 1975-1977 | Twin | M10 (M43) carb I4 | 80 kW (107 bhp) at 5,800 rpm | 157 N⋅m (116 lb⋅ft) at 3,700 rpm |
| 10 | 320/6 | 1977-1982 | Twin | M20B20 carb I6 | 90 kW (121 bhp) at 6,000 rpm | 160 N⋅m (118 lb⋅ft) at 4,000 rpm |
| 11 | 320i | 1975-1977 | Twin | M10 (M64) injected I4 | 92 kW (123 bhp) at 5,700 rpm | 172 N⋅m (127 lb⋅ft) at 4,350 rpm |
| 12 | 320i (US) | 1977-1979 | Twin | M10B20 injected I4 | 81 kW (109 bhp) at 5,700 rpm | 152 N⋅m (112 lb⋅ft) at 4,000 rpm |
| 13 | 320i (US) | 1980-1983 | Twin | M10B18 injected I4 | 74 kW (99 bhp) at 5,800 rpm | 135 N⋅m (100 lb⋅ft) at 4,500 rpm |
| 14 | 323i | 1978-1982 | Twin | M20B23 injected I6 | 105 kW (141 bhp) at 5,800 rpm | 190 N⋅m (140 lb⋅ft) at 4,500 rpm |

Question: What models were available at the E21 level?
Answer: At the E21 level, three models were available: 316, 318 and 320.