Quote:
Originally Posted by lucid
Do you know if they achieved the hp increase solely through software mods?
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No, not solely by software modification. Below should answer your question fully.
"Hamann offers its clients three different engine tuning options. The high revving 5-litre V10 with 507 bhp and 520 Nm is limited to 250km/h as standard. By removing the engine limiter, the racy Bavarian can reach a top speed of 300km/h, depending on the wheel and tyre combination. The second option is made up of a combination of removing the engine limiter and optimising the engine characteristics by reprogramming the standard engine computer. Hamann manages to tease an additional 30bhp/26kW and 15 Nm out of the V10 engine. The "HM/M +60" sport kit provides even better performance. The kit is made up of high-performance headers, metallic sports catalytic converters, a sports rear silencer, a sports air filter, an engine map optimisation and the removal of engine restrictions. As the name of the sports kit already suggests, the engine then provides around an additional 60bhp/44kW and can provide an extra
54 Nm of torque, meaning that a notably faster top speed of up to 320km/h can be reached."
http://www.autoblog.com/2006/10/13/p...e-body-bmw-m6/