751 HP Stage 2 Software | BMW X3M/X4M
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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Base Model
Stock
Stock W HP & TQ: 460 Wheel HP & 438 lb-ft Wheel torque
Stock FW HP & TQ: 561 Flywheel HP & 535 lb-ft Flywheel torque
Tuned – 93 Octane
Tuned W HP & TQ: 597 Wheel HP & 539 lb-ft Wheel torque
Tuned FW HP & TQ: 728 Flywheel HP & 658 lb-ft Flywheel torque
Delta W HP & TQ: 137 Wheel HP & 101 lb-ft Wheel torque
Delta FW HP & TQ: 167 Flywheel HP & 123 lb-ft Flywheel torque
Tuned – 100 Octane
Tuned W HP & TQ: 616 Wheel HP & 556 lb-ft Wheel torque
Tuned FW HP & TQ: 751 Flywheel HP & 677 lb-ft Flywheel torque
Delta W HP & TQ: 156 Wheel HP & 117 lb-ft Wheel torque
Delta FW HP & TQ: 190 Flywheel HP & 143 lb-ft Flywheel torque
Competition Model
Stock
Stock W HP & TQ: 487 Wheel HP & 453 lb-ft Wheel torque
Stock FW HP & TQ: 594 Flywheel HP & 553 lb-ft Flywheel torque
Tuned – 93 Octane
Tuned W HP & TQ: 597 Wheel HP & 539 lb-ft Wheel torque
Tuned FW HP & TQ: 728 Flywheel HP & 658 lb-ft Flywheel torque
Delta W HP & TQ: 110 Wheel HP & 86 lb-ft Wheel torque
Delta FW HP & TQ: 134 Flywheel HP & 105 lb-ft Flywheel torque
Tuned – 100 Octane
Tuned W HP & TQ: 616 Wheel HP & 556 lb-ft Wheel torque
Tuned FW HP & TQ: 751 Flywheel HP & 677 lb-ft Flywheel torque
Delta W HP & TQ: 128 Wheel HP & 102 lb-ft Wheel torque
Delta FW HP & TQ: 156 Flywheel HP & 125 lb-ft Flywheel torque
- *This can ONLY be installed at an Authorized CarBahn dealer!
- 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.
- This software was developed with our heat exchanger installed to achieve the claimed power output and it is required for our matching factory warranty!
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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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