LSE9X Holley CAN Box – Return Reprogram Upgrade Service

Already have an LSE9X Holley CAN to BMW Conversion Box? This service lets you send your existing unit back for the latest firmware reprogramming and feature upgrade.

With the reprogram, your CAN box will gain the newest functionality including:

• Cruise Lever Inputs – BMW cruise stalk mapped to Holley LCD switch inputs, fully configurable for 2-step, shifting, nitrous, launch control, or any other mappable input.

• Tachometer Dial Function – Rotary dial sends a saved, user-settable value into Holley via an EGT input. Can be used for boost control, PWM duty cycle tables, or custom functions.

• Clean Dash (RWD cars) – Updated logic for brake/DSC error suppression on rear-wheel-drive chassis. (xDrive chassis may still show DSC/4x4 messages).

How It Works

1. Purchase this upgrade service.

2. You’ll receive a USPS Small Flat Rate Box shipping label by email.

   • The box is available for free at any USPS Post Office.

3. Ship only the CAN box itself. The harness is not needed for this service.

4. LSE90 will reprogram your box with the latest firmware.

5. Your upgraded CAN box will be shipped back to you using the same USPS service.

Service Includes

• Two-way USPS Priority Mail Small Flat Rate shipping (label provided).

• Complete firmware reprogramming with all the newest features.

• Return shipment of your updated CAN box, ready to plug back in and use.

Important Notes

• This service is only for customers who already own an LSE9X Holley CAN box.

• Applies only to CAN boxes with the grey 12-pin connector.

• If you need a new CAN box, please purchase the LSE9X Holley CAN to BMW Conversion Box instead.