506 HP Stage 1 ECU Software | BMW 550i/650i/750i/X5/X6
Regular price
$395.00 USD
Sale price
$395.00 USD
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Ships in 3–7 business days · tracked shipping across the USA
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Calculated Flywheel Power:
OEM Stock: 410HP / 466TQ
Tuned 93 Octane: 506HP / 584TQ
Measured Wheel Power:
OEM Stock 336WHP / 382WTQ
Tuned 93 Octane: 415WHP / 479WTQ
| Vehicle | BMW |
|---|
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.
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- 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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