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Much consideration has been giving to ease of fitment
Before & after dyno runs included
to reduce pollutant gas maintaining the performance gain given by the removal of the stock main cat
It can be chosen between the insert for a steel cover (eg BMW M2) or a plastic cover (eg BMW M4)
AISI 304 and AISI 409 hi-grade stainless steel
Evolve Alpha N Remap And Evolve-R - BMW E46 3 Series M3 M5 (E39) Much consideration has been givingPrice includes IAT sensor and wiring loom. The E46 M3 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, torque limiters and fueling,