707 HP Stage 1 ECU Software | BMW M550i/750i/M850i
Ships in 3–7 business days · tracked shipping across the USA
Not sure it fits? for a fast answer, or text / call (619) 706-9046.
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Stock
Stock W HP & TQ: 467 Wheel HP & 536 lb-ft Wheel torque
Stock FW HP & TQ: 570 Flywheel HP & 653 lb-ft Flywheel torque
Tuned- 93 Octane
Tuned W HP & TQ: 580 Wheel HP & 583 lb-ft Wheel torque
Tuned FW HP & TQ: 707 Flywheel HP & 711 lb-ft Flywheel torque
Delta W HP & TQ: 112 Wheel HP & 47 lb-ft Wheel torque
Delta FW HP & TQ: 137 HP Flywheel HP & 58 lb-ft Flywheel torque
- *This can only be installed at an authorized CarBahn dealer!
- Optional Exhaust Overrun (Burbles)
- Top speed governor removed
- CarBahn EVO Intelligent software adapts to various fuel octane levels seamlessly, optimizing performance without compromising safety. It retains existing safety features and adds extra protection as needed.
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Trim, options or aftermarket parts can change fitment. with your year, model and trim (or VIN) and we'll confirm before you order, or text / call (619) 706-9046.
Shipping
- Processing time varies by part — current availability is shown above the Add to cart button.
- Shipping cost is calculated at checkout by size, weight and destination.
- Tracking is emailed when your order ships. Route package protection is available at checkout.
Returns
- Request a return within 30 days of delivery by emailing hello@royalperformanceusa.com — an approval / RMA is required before sending anything back.
- Items must be unopened, unused and uninstalled, in original packaging. A 20% restocking fee applies and return shipping is paid by the customer.
- Installed, altered, painted, custom, special-order and pre-order items can't be returned.
- Report shipping damage within 72 hours with photos of the box, label and part.
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Fits the same vehicle
Complete your BMW BMW M5 build
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