Home » ECU Flash Tuning, Piggyback Boxes, & Power Packages

Tune Your Way. Two Powerful Paths.

Whether you're looking for a simple at-home install or maximum gains through advanced tuning, CarBahn gives you two elite options—Performance Controllers and ECU Software. Choose your level.

Performance Controllers
Performance Controller

Best Value

  • 🟢 No ECU unlocks required
  • 🟢 App-controlled octane maps
  • 🟢 Plug-and-play install at home
  • 🟢 Reversible and safe
  • 🟢 Buy online or at a dealer
Shop Controllers
ECU Software
ECU Software Tune

Best Performance

  • 🟡 Dealer install required
  • 🟡 FEMTO ECU unlock needed
  • 🟢 Higher power gains
  • 🟢 Top-speed limiter removed
  • 🟢 Optimized throttle & shifting
  • 🟢 Stages 1–3 available
Learn About Software
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Tune It. Boost It. Back It.

20% off Tuning & Warranty Combos

Use Promo Code: PROTECT20 at checkout
or talk to your CarBahn dealer today

Valid on Software, Controllers, or Power Packages purchased with warranty. Discount applied at checkout. Must be purchased together. Not valid on past purchases. Expires July 31, 2025

ECU Flash Tuning, Piggyback Boxes, & Power Packages

Explore CarBahn's cutting-edge ECU tuning solutions, including Chip Tuning, Performance Controllers, Piggyback boxes, and DME unlocks. Our products are designed to maximize your vehicle's power and efficiency while maintaining reliability. Whether you're looking to enhance your BMW or Mercedes-Benz, CarBahn offers industry-leading options that deliver the ultimate performance upgrade.