Stages of the S55
Unlock the full potential of your BMW M3/M4 with our performance upgrade packages for the S55 engine. Whether you’re daily driving or track-focused, Texas M Powerhouse has a stage to match your goals.
Enhanced OEM+: A basic performance boost through software tuning and optional intake/downpipe upgrades. Great for daily drivers wanting more power without major change
Performance Upgrade: Adds supporting mods like an upgraded intercooler, charge pipes, and a refined tune. More power, better cooling, and increased reliability for spirited driving.
Full Bolt-On (FBO): Pushes the stock turbos to their safe limits with all bolt-ons and advanced tuning. Ideal for track-ready builds without swapping turbos.
Turbo Upgrade Package: Replaces stock turbos with hybrids or full-frame options. Paired with fuel system upgrades and custom tuning for big horsepower gains.
Built Motor & Race Prep: For high-boost, high-power applications. Includes forged internals, race prep, and drivetrain enhancements. Built for serious racers and 800+ HP goals.
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ECU tune for increased horsepower & torque
Improved throttle response
Optional downpipes & intake upgrades
Perfect for stock turbos and daily use
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Custom tuning with upgraded downpipes, intake, and charge pipes
Intercooler upgrade for better heat management
Noticeable gains in mid-range power and reliability
Ideal for spirited drivers and weekend racers
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Full suite of bolt-on parts including high-performance fueling
Maximum power on stock turbos
Dyno-proven results with supporting mods
Recommended for aggressive street or track use
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Hybrid or full-frame turbo installations
Upgraded fueling system (HPFP, injectors, ethanol tuning)
Custom dyno tuning included
For those chasing big power and top-end performance
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Forged internals, head studs, and performance bearings
Track-focused setup with optional cage and suspension
800+ HP capable
Designed for serious competitors and high-boost build
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F80 M3 (2015–2018 Sedan)
F82 M4 (2015–2020 Coupe)
F83 M4 (2015–2020 Convertible)
F82 M4 GTS (2016, limited production high-performance version)
F82 M4 CS (2018–2020 Competition Sport version)
F87 M2 Competition (2019–2021, upgraded from N55 to S55)
F87 M2 CS (2020, limited production performance variant)