TuneZilla’s Stage 1 calibration for the BMW N20 delivers a strong increase in horsepower and torque, greatly improving mid-range response and overall drivability. Designed for completely stock hardware, this tune remains fully compatible with common bolt-ons such as upgraded intercoolers, intakes, and downpipes.
Stage 1 Tune
Power: 292 HP (+47 HP)
Torque: 332 lb-ft (+74 lb-ft)
Requires
Fuel Requirement: 93 Octane
Supported Mods: Intake, Intercooler, Downpipe
Flash Method: TuneZilla Dealer Flash Required
Notes
Maintenance & Reliability Disclaimer
The BMW N20 is known to have several factory weak points—particularly plastic timing chain guides (especially pre-2015 models) and the OEM plastic charge pipe, which frequently cracks even at stock boost levels. These components should be inspected and ideally upgraded before tuning.
To ensure long-term reliability with increased power:
Upgrade the plastic charge pipe to an aluminum unit
Inspect or replace timing chain guides (recommended 70,000–90,000 miles)
Maintain frequent oil changes and proper service intervals
Address any chain noise, misfires, stutters, or driveline warnings immediately
Tuning increases engine load and may accelerate wear on aging or compromised components. Customers should confirm the engine is in good mechanical condition before flashing.