| 1 | A | B | C | D | E |
| --- | --- | --- | --- | --- | --- |
| 2 | BMW 5 Series (E12) - Engines |  |  |  |  |
| 3 | Model | Engine | Power | Torque | Years |
| 4 | 518 | M10 (M118) 4-cyl | 66 kW (89 hp) at 5,500 rpm | 142 N⋅m (105 lb⋅ft) at 3,500 rpm | 1974–1981 |
| 5 | 520 | M10 (M17) 4-cyl | 85 kW (114 hp) at 5,800 rpm | 162 N⋅m (119 lb⋅ft) at 3,700 rpm | 1972–1977 |
| 6 | 520i | M10 (M64) 4-cyl | 92 kW (123 hp) at 5,700 rpm | 172 N⋅m (127 lb⋅ft) at 4,350 rpm | 1972–1975 |
| 7 | 520i | M10 (M64) 4-cyl | 96 kW (129 hp) at 5,800 rpm | 178 N⋅m (131 lb⋅ft) at 4,500 rpm | 1975–1977 |
| 8 | 520/6 | M20B20 6-cyl | 92 kW (123 hp) at 6,000 rpm | 160 N⋅m (118 lb⋅ft) at 4,000 rpm | 1976–1981 |
| 9 | 525 | M30B25 6-cyl | 107 kW (143 hp) at 6,000 rpm | 211 N⋅m (156 lb⋅ft) at 3,700 rpm | 1973–1976 |
| 10 | 525 | M30B25 6-cyl | 110 kW (148 hp) at 5,800 rpm | 208 N⋅m (153 lb⋅ft) at 4,000 rpm | 1976–1981 |
| 11 | 528 | M30B28 6-cyl | 121 kW (162 hp) at 5,800 rpm | 234 N⋅m (173 lb⋅ft) at 4,000 rpm | 1974–1976 |
| 12 | 528 | M30B28 6-cyl | 125 kW (168 hp) at 5,800 rpm | 234 N⋅m (173 lb⋅ft) at 4,000 rpm | 1976–1978 |
| 13 | 528i | M30B28 6-cyl | 129 kW (173 hp) at 5,800 rpm | 235 N⋅m (173 lb⋅ft) at 4,300 rpm | 1977–1978 (US only) |
| 14 | 528i | M30B28 6-cyl | 126 kW (169 hp) at 5,600 rpm | 230 N⋅m (170 lb⋅ft) at 4,500 rpm | 1979–1981 (US only) |
| 15 | 528i | M30B28 6-cyl | 135 kW (181 hp) at 5,800 rpm | 235 N⋅m (173 lb⋅ft) at 4,200 rpm | 1978–1981 |
| 16 | 530 | M30B30 6-cyl | 130 kW (174 hp) at 5,800 rpm | 250 N⋅m (184 lb⋅ft) at 3,500 rpm | 1975–1978 (South Africa only) |
| 17 | 530i | M30B30 6-cyl | 131 kW (176 hp) at 5,500 rpm | 251 N⋅m (185 lb⋅ft) at 4,500 rpm | 1975–1978 (US only) |
| 18 | 530 MLE | M30B30 6-cyl | 147 kW (197 hp) at 5,800 rpm | 251 N⋅m (185 lb⋅ft) at 3,500 rpm | 1976 (South Africa only) |
| 19 | 533i | M30B32 6-cyl | 147 kW (197 hp) at 5,500 rpm | 290 N⋅m (214 lb⋅ft) at 4,250 rpm | 1979–1981 |
| 20 | M535i | M90 6-cyl | 160 kW (215 hp) at 5,200 rpm | 310 N⋅m (229 lb⋅ft) at 4,000 rpm | 1979–1981 |

Question: What is common  between the 525, 528, 530, 530i and 533i models of the BMW 5 Series (E12) ?
Answer: The 525, 528, 530, 530i and 533i models of the BMW 5 Series (E12) were fitted with M30 six-cylinder engines.