384 HP Stage 1 ECU Software | BMW M235i/335i/435i/535i
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: Â 337HP / 377TQ
Tuned 93 Octane: Â Â 384HP / 402TQ
Measured Wheel Power:
OEM Stock  296WHP / 332WTQ
Tuned 93 Octane:Â Â 338WHP / 354WTQ
- Saves stock program
- Reads and clears faults
- Removes top speed governorÂ
Â
| 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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