RK-Tunes (founded by Jordan Maranville) is a premier aftermarket tuner specializing in the BMW platform, most notably the S58 engine found in the G80 M3. They are globally recognized for pushing the G80 M3 to extreme limits, building record-setting cars that have breached 1400+ HP and run sub-8-second quarter-miles.Core RK-Tunes Offerings for the G80 M3ECU Flashing & Custom Tuning: Provides tailored engine and transmission calibrations. By adjusting boost levels, timing, and mapping, RK-Tunes unlocks massive horsepower and torque gains over the factory S58.Front Mount Intakes: Their signature 3.5" silicone front-mount intakes are among the largest in the industry, maximizing airflow to the turbos while generating an aggressive turbo spool sound.Exhaust Systems: Hand-crafted stainless steel or titanium exhaust systems. RK-Tunes builds exhausts specifically to retain the equal-length factory design without sacrificing performance-robbing backpressure.Turbo Upgrades & Fueling Systems: For the S58, RK offers custom single-turbo kits, hybrid primary fuel pumps, and auxiliary port injection setups necessary for handling higher boost and producing big numbers safely.The G80 S58 Platform HighlightsPower Capabilities: The twin-turbo S58 motor is renowned for its durability. Mild ECU tunes (Stage 1 or Stage 2) can yield substantial power gains on 93 octane, while built-engine, upgraded-turbo setups from RK-Tunes easily exceed 900+ WHP on E85 mixtures.Drag Racing Dominance: RK-Tunes is deeply tied to the S58 platform drag racing scene. Their dedicated shop cars have set notable records, famously clicking off 0-60 mph times in the low 1-second range and achieving quarter-mile passes in the 7-second bracket.Support Parts: To handle this level of extreme power, RK-Tunes and their sister company RK Autowerks manufacture the supporting modifications required to keep the G80 reliable, such as upgraded transmissions, billet intake manifolds, and stroker kits.
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-EXTRA A: Daytime running lights
-EXTRA B: Android auto
-EXTRA C: 2wd/4wd mod
-EXTRA D: Hide hood
-EXTRA E: Remowe rear/front license plates with frames
-EXTRA F: Open hood
