| 1 | A | B | C | D | E |
| --- | --- | --- | --- | --- | --- |
| 2 | BMW M30 - Versions |  |  |  |  |
| 3 | Version | Displacement | Power output | Torque | Year |
| 4 | M30B25V | 2,494 cc (152.2 cu in) | 110 kW (148 bhp) at 6,000 rpm | 211 N⋅m (156 lb⋅ft) at 3,700 rpm | 1968 |
| 5 | M30B25 | 2,494 cc (152.2 cu in) | 110 kW (148 bhp) at 6,000 rpm | 215 N⋅m (159 lb⋅ft) at 3,700 rpm | 1981 |
| 6 | M30B28V | 2,788 cc (170.1 cu in) | 125 kW (168 bhp) at 6,000 rpm | 235 N⋅m (173 lb⋅ft) at 3,700 | 1968 |
| 7 | M30B28 | 2,788 cc (170.1 cu in) | 135 kW (181 bhp) at 5,800 rpm | 240 N⋅m (177 lb⋅ft) at 4,200 rpm | 1977 |
| 8 | M30B30V | 2,986 cc (182.2 cu in) | 132 kW (177 bhp) at 6,000 rpm | 255 N⋅m (188 lb⋅ft) at 3,700 rpm | 1971 |
| 9 | M30B30 | 2,986 cc (182.2 cu in) | 149 kW (200 bhp) at 5,500 rpm | 272 N⋅m (201 lb⋅ft) at 4,300 rpm | 1971 |
| 10 | M30B32 | 3,210 cc (195.9 cu in) | 147 kW (197 bhp) at 5,500 rpm | 285 N⋅m (210 lb⋅ft) at 4,300 rpm | 1976 |
| 11 | M30B33V | 3,295 cc (201.1 cu in) | 139 kW (186 bhp) at 5,500 rpm | 289 N⋅m (213 lb⋅ft) at 3,500 rpm | 1973 |
| 12 | M30B34 | 3,430 cc (209.3 cu in) | 160 kW (215 bhp) at 5,800 rpm | 310 N⋅m (229 lb⋅ft) at 4,200 rpm | 1982 |
| 13 | M30B35 | 3,430 cc (209.3 cu in) | 155 kW (208 bhp) at 5,700 rpm | 305 N⋅m (225 lb⋅ft) at 4,000 rpm | 1988 |

Question: What changed in power and torque between 1968-1981 for the M30B25?
Answer: Power remained unchanged at 110 kW (148 bhp), however torque increased slightly to 215 N⋅m (159 lb⋅ft).