Quote:
Originally Posted by allmotor_2000
Nice - just read the entire thread. The slower onset of torque is probably better as having all 600ft-lbs at 3K RPM as I have now makes the car misbehave (and risk detonation).
The turbos are definitely maxing out - the factory DME appears to pull back boost at higher RPMs. Maybe 700whp+ is possible with the upgrades turbos and the supporting tune.
Question I can think of:
1. Is this 91-octane compatible (for us CA daily drivers). I run 2.5psi JB4 now and no issues (over 600whp and 600ft-lbs torque)
2. Can maps be switched on the fly for 91, 95 and maybe 100 octane? Say M2 button :-)
3. OR - can a 93-octane tune be used and the car just adapts down or up based on fuel type?
4. With upgraded turbos, is running the cats (AMS hi-flow cats) compatible?
5. Any warranty?
6. Does running the tune negate the power characteristics of the CP model and makes all F10 M5's equal power-wise?
7. At what point does the stock fuel system max out? Can the car actually make 700-750whp on the factory plumbing/pump etc?
Definitely interested in the Alpha-9 package!
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Can only answer to point 6. This will be a similar remap to AMS's solution in all likelihood.
http://www.br-performance.be/en-be/c...1/4796-f10-m5/
http://www.br-performance.be/en-be/c...5-competition/