BMW M30
Versions

Version
Displacement
Power output
Torque
Year
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
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
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
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
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
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
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
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
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
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).