MSS54 E46 M3 Tuning

Highline Motorsports Group Verified independent store

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Our custom dyno tune developed in house for thje E46 M3. This tune offers more hp/tq over stock as well as improved throtle response and safe guards. Features: 15-30whp over stock( Depending on: Headers / CSL Intake Plenum / Alpha N Mafless Conversion / Cams etc) 8300rpm rev limter Linear throttle curve for comfort mode / smoother curve for sport Safe AFR for use on the track seeing high load / rpms for extended time Optimized VANOS and Ignition timing for max power Speed limiter disabled No need to enter dyno mode 93 and 91 octane versions available Other options: EWS / SAP / CAT programming available for off road track use Show more