Evolve Alpha N Remap - BMW Z4MPrice includes IAT sensor and wiring loom and installation at Evolve. The Z4M S54 engine responds well to the right type of ECU software. Conventional methods of advancing the ignition timing under full load have little effect. This is what the industry has seen over the years with no gain in power neither on the road or the dyno. Typically we saw improvements in throttle response and nothing more. By recalibrating ignition timing, VANOS timing,