BMW N54 OTS Map Pack

Unlock the full potential of your BMW N54 twin-turbo inline-six with our dyno-tested ECU calibrations. Each stage is designed to provide optimal power gains while maintaining reliability, with maps available for 91, 93, 95 pump gas and ethanol blends (E30, E50, E85). 

These tunes are meant to be flashed via MHD, or through the BimmerTuningTools N54 Quickflash.

Stage 1 Tune – 91/93/95 Octane (Stock Car Friendly)

✅ Power Output: ~380 HP / 390 lb-ft (530 Nm)
✅ Optimized fueling, ignition timing, and boost for smooth power delivery
✅ Works with stock downpipes and intercooler
✅ Supports 91, 93, 95 octane fuels
✅ No additional modifications required

Recommended Mods: High-flow panel filter or drop-in intake for improved airflow

Stage 1+ Tune – 91/93/95 Octane, E30 (FMIC Recommended)

✅ Power Output: ~400 HP / 410 lb-ft (560Nm)
✅ Same refined tuning as Stage 1, but optimized for improved cooling and ethanol blends
✅ Supports 91, 93, 95 octane + E30 ethanol blend
✅ Higher boost levels and adjusted ignition for better mid-range power

Recommended Mods:

• Upgraded front-mount intercooler (FMIC) (to prevent heat soak)

Stage 2 Tune – 91/93/95 Octane, E30, E50 (High-Flow Downpipes Recommended)

✅ Power Output: ~410 HP / 413 lb-ft (560 Nm) (Pump Gas)
✅ 430 HP / 443 lb-ft (600 Nm) (E30/E50)
✅ Higher boost, revised ignition timing, and VANOS adjustments for increased spool and throttle response
✅ Supports 91, 93, 95 octane + E30/E50 ethanol blends
✅ Removes torque restrictions for improved acceleration

Required Mods:

• High-flow or catless downpipes (for reduced backpressure)

Recommended Mods:

• Upgraded FMIC (for consistent IATs)

Stage 2+ Tune – 91/93/95 Octane, E30, E50, E85 (FMIC + Downpipes Recommended)

✅ Power Output: ~435 HP / 480 lb-ft (650 Nm) (Pump Gas)
✅ 470 HP / 500 lb-ft (678 Nm) (E30/E50)
✅ 490 HP / 520 lb-ft (705 Nm) (Full E85)
✅ Higher boost targets with refined VANOS, fueling, and ignition timing
✅ Supports 91, 93, 95 octane + E30, E50, E85 ethanol blends
✅ Maximized stock turbo efficiency for strong top-end power

Required Mods:

• High-flow or catless downpipes
• Upgraded FMIC

Recommended Mods:

• Upgraded high-pressure fuel pump (HPFP) (for E30+ fueling stability)
• Inlets & outlets upgrade (improves turbo efficiency)
• Aftermarket diverter valves or blow-off valve (for better boost control)

Stage 3 Tune – PS2 / 19T Upgraded Turbos (91/93/95, E30, E50, E85)

✅ Power Output: ~520 HP / 510 lb-ft (692 Nm) (Pump Gas)
✅ 550 HP / 540 lb-ft (732 Nm) (E30/E50)
✅ 580 HP / 570 lb-ft (773 Nm) (Full E85)
✅ Fully revised boost control, wastegate strategy, VANOS, and fueling for upgraded turbos
✅ Supports 91, 93, 95 octane + E30, E50, E85 ethanol blends
✅ Boost levels and ignition timing optimized for maximum performance while maintaining drivability

Required Mods:

• All Stage 2+ requirements
• Upgraded turbos (PS2 or 19T hybrid turbos)
• Upgraded low-pressure fuel pump (LPFP) (Walbro 450+ recommended for E blends)
• Aftermarket turbo inlets & outlets (for improved airflow)
• Port injection or upgraded high-pressure fuel pump (for full E85 support)

Recommended Mods:

• Larger charge pipes and intercooler (for consistent IATs)
• Aftermarket exhaust system (for improved flow)
• Upgraded clutch (for manual cars)

Notes:

• Power figures are estimated and may be inaccurate by a percentage and vary based on fuel quality, supporting mods, and climate conditions.
• All tunes retain OEM safety features and fail-safes to protect engine longevity.
• E30/E50/E85 blends require proper fueling upgrades to prevent fuel pressure drops.

If you need custom tuning or special requests, Poverty Built can refine your calibration for your specific setup. Contact us for custom map options!