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The secondary catalytic convertors are removed
• Excellent disc conditioning
Our stage 3 software is available also and is designed to work with intake and major exhaust modifications
and it's perfect to for an engine tuning program
Evolve Alpha N Remap And Evolve-R - BMW E39 5 Series M5 M3 (E46) The secondary catalytic convertors areMost E39 M5's will produce in the region of 390 395bhp on our dyno. With the ECU remap we generally see anything upto 415bhp on a stock vehicle once an adaptation time period has elapsed, even more on a modified one. Through careful remapping of the factory BMW DME tables, various elements such as ignition timing, fuel delivery, and part throttles are reworked to create performance gains. The result is an E39 M5 which feels far sharper and pulls
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