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The 620Si/SLi/GSi:

131PS @ 5400 rpm
178 Nm @ 4800 rpm
0-60 mph: 9.5 secs
30-50 mph in 4th: 8.9 secs
50-70 mph in 4th: 9.7 secs
Top speed: 125 mph

I have looked for the earlier 620i (115PS) data but have not yet been able to find it. It was replaced by the 618i, whose figures were:

115PS @ 5500rpm
158Nm @ 4200
0-60mph: 10.5 secs
30-50 mph in 4th: 9.4 secs
50-70 mph in 4th: 10.6 secs
Top speed: 121 mph

Hope this helps.
 

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A lot of 600ti have been tuned too so you had no chance on the straight. On the bends you might have pulled it back a bit.

There are quite a few pushing over 300BHP now, including my old one which is about 345BHP and over 300lbft.........i want it back!
 
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