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Alternative to 831221 or 831211
Diffuser can be used even with BMW tow bar
RKP is proud to announce our first entry into what will be an extensive F8x M3/M4 catalog
Sensor cheaters (emulators
Front exhaust with Metallic catalytic converters 200 CPSI Right + Left
Evolve Alpha N Remap And Evolve-R - BMW E39 5 Series M5 F80 Alternative to 831221 or 831211Most 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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