BMW M5 2014

$1,709.05

  • Brand: ecmtuner
  • Availability: In Stock
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Stage

Tags: Tuning

BMW M5 2014 POWER GAINS ECM Tuner Performance Upgrade Results HORSEPOWER Stock 560 HP Stage 1 650 HP +90 HP Stage 2 700 HP +140 HP TORQUE Stock 500 TQ Stage 1 600 TQ +100 TQ Stage 2 650 TQ +150 TQ Results may vary based on fuel quality and vehicle condition ECMTUNER.COM

Factory: 560HP / 500 lb-ft
ECM Stage 1 Tune: 650HP / 600 lb-ft
ECM Stage 2 Tune: 700HP / 650 lb-ft

Unleash the Power: Elite ECU Tuning for Your BMW M5 2014 S63 Twin-Turbo V8

The BMW M5 2014 equipped with the legendary S63 Twin-Turbo V8 engine is already a performance icon. Our precision ECU tuning unlocks the hidden potential that BMW engineered into this powerplant, delivering breathtaking power gains while maintaining the reliability and refinement you expect from your BMW.

Tuning can be done by sending your ECU in, or we ship a flashing tool which must be returned after the tune is complete.

EVERY TUNE INCLUDES:

  • Reprogrammed torque management parameters
  • Optimized boost pressure mapping for maximum power delivery
  • Reprogrammed variable valve timing control for enhanced drivability
  • Smoother engine operation throughout the RPM range
  • Reprogrammed throttle response for both Comfort and Sport modes
  • Raised RPM limiter (optional)
  • Top speed limiter removal (optional)
  • Variable RPM limit based on engine temperature warm-up (optional)
  • Cold start modification (optional)
  • Octane-specific ignition timing optimization (91, 93, E85 blends)

TUNING METHODS:

OBD Tune
OBD tunes allow customers to simply plug and upgrade their ECU. We will ship you an ECM Tuner cable and email you detailed instructions on how to complete the installation yourself.

Bench Flash
Requires ECU to be mailed in. This upgrade requires you to send us your ECU for professional re-programming in our facility.

TALK TO A SPECIALIST:

Get in contact with an ECM Tuner specialist to determine which tuning method is best for your vehicle and learn more about the installation process.


The BMW S63 Twin-Turbo V8: A Tuner's Dream

The S63 Twin-Turbo V8 found in the BMW M5 2014 represents one of BMW's most tunable powerplants ever produced. With its robust construction and advanced engineering, this engine responds exceptionally well to ECU tuning modifications.

Stage 1 Tune: Unlocking Hidden Potential

A Stage 1 tune is the perfect entry point for enhancing your BMW M5 2014's performance without requiring any hardware modifications. By optimizing the factory ECU parameters, we extract significant additional power:

  • +90 Horsepower – Feel the surge of acceleration from every stoplight
  • +100 lb-ft Torque – Massive mid-range punch for confident overtaking
  • Enhanced throttle response – Sharper, more immediate power delivery
  • Improved fuel efficiency – Optimized air-fuel ratios under normal driving

Stage 1 tuning recalibrates boost pressure, ignition timing, and fuel delivery to unlock performance that BMW left on the table from the factory.

Stage 2 Tune: Maximum Performance

For enthusiasts seeking the ultimate performance, our Stage 2 tune pushes the boundaries further. This aggressive calibration is designed for vehicles with supporting modifications:

  • +140 Horsepower – Supercar-rivaling acceleration
  • +150 lb-ft Torque – Relentless power throughout the entire rev range
  • Optimized boost curves – Peak performance across all driving conditions
  • Track-ready calibration – Built for spirited driving and track days

Stage 2 tuning typically requires upgraded intercooler, downpipes, and intake to support the increased airflow demands.

Why Choose ECM Tuner?

Our team specializes exclusively in European performance vehicles. Every tune is developed through extensive dyno testing and real-world validation to ensure optimal performance, reliability, and drivability. We don't compromise – we deliver results.

IMPORTANT INFORMATION:
All ECM Tuner products are intended for off-road and closed-course competition use only.

$1,709.05

Satisfaction GuaranteedResults or we make it right
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Secure CheckoutSSL encrypted payment
Expert SupportReal techs, not chatbots
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Since 201910,000+ vehicles tuned
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Fully ReversibleOriginal map always saved
📞 Questions? Call Us: (201) 591-5432
Mon–Sat 9am–6pm EST  ·  Moonachie, NJ  ·  Serving NYC Metro & Nationwide

How the Tune Process Works

1

Order Online

Select your stage and pay securely. We confirm your vehicle details within 24 hours.

2

OBD or Bench Flash

We ship an OBD cable to your door, or you ship us your ECU for a bench flash. Your choice.

3

Drive More Power

Flash takes 30–60 min. Your stock file is always saved. 100% reversible at any time.

Why Choose ECM Tuner?

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European Specialists

We exclusively tune BMW, Mercedes, Porsche, Aston Martin, Lamborghini & more. Deep expertise beats generalists.

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Dyno Proven Results

Every calibration is developed and validated on the dyno. Real numbers — not marketing estimates.

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Remote Tuning Available

Not local to NJ? We ship a flash tool anywhere in the US. Tune from your own driveway.

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Safe Engine Limits

We work within safe parameters for your engine. Your car's longevity is as important as power gains.

Frequently Asked Questions

ECU tuning will void your manufacturer warranty on powertrain components. We are upfront about this — please factor it into your decision before purchasing.
Yes — 100%. We always save your original ECU calibration before flashing. You can return to stock at any time at no charge.
OBD flashing takes 30–60 minutes. Bench flash (ECU removal) takes 1–3 business days once we receive it. Most customers are back on the road the same day with an OBD tune.
No. Stage 1 is software-only — your car can be completely stock. Stage 2 may require an upgraded intake or exhaust; we will advise you before proceeding.
We offer tunes optimized for 91 octane, 93 octane, and E85. For maximum gains we recommend 93 or E85. Specify your preference at checkout and we tailor the tune accordingly.
Absolutely. We ship an OBD flash tool anywhere in the continental US. Plug it in, follow our simple guide, flash in under an hour, and ship it back. Nationwide remote tuning is a core part of what we do.

Ready to Unlock Your Car's True Potential?

Add to cart above, or call us to talk through which stage is right for your build.

BMW M5 2014
From $1,709.05