Unlock kit for:
- Compatible with motor code BDU3144-45
- Compatible with Purion 400/Purion 200/Kiox 300/Kiox 500/Intuvia 100 displays

Compatible with firmware 19.54.0
Compatible for ebikes equipped with ABS system

The Eplus kit is specifically developed for eBikes with Bosch SX motors equipped with Smart System Rim Magnet and allows you to exceed the 25 km/h assistance limit, providing a smoother, more powerful, and higher-performing riding experience on any type of terrain.
Designed for perfect integration with Bosch SX systems, the kit is exclusively compatible with configurations featuring a Rim Magnet sensor positioned on the rear wheel valve, ensuring optimal operation and maximum reliability.

Thanks to the innovative functionality, you can choose at any time whether to keep the unlock active or deactivate it completely, managing everything quickly and intuitively, even while on the move.

After installation, you can manage all functions directly from the dedicated Eplus Tuning App.
By activating the "Race" function (purchasable for only €0.99), you will gain full control of the system:

- Activation/deactivation of the unlock
- Quick management of settings
- Simple and intuitive use

Main features:
- 6 motor maps (from Eco to Race)
- Speed unlock
- Real-time data
- Wheel circumference setting (2000–3000 mm)
- Code Immobilizer for motor lock
- Adjustable theoretical speed up to 75 km/h
- Set unlock active when the bike turns on

Main advantages:
- Bosch SX Rim Magnet speed limit unlock
- Fast and invisible installation
- Eplus Tuning App
- High-quality, moisture-resistant components

How to recognize a Bosch SX Smart System Rim Magnet ebike?
In this version, the magnet can be either on the outside or inside of the rear wheel rim valve.

Technical specifications of Eplus tuning for Bosch SX Rim Magnet motor
HARDWARE: kit with connectors, speed sensor, bracket, and magnet
DEFAULT UNLOCK ACTIVATION BUTTON:  Walk
SPEED AND KM DISPLAY ON DASHBOARD: halved
APP AVAILABILITY: yes, Eplus Tuning App (Google Play – Apple Store)
COMPATIBLE WITH: Purion 400/Purion 200/Kiox 300/Kiox 500/Intuvia 100/Kiox 400C
CODE IMMOBILIZER: yes
UNLOCK ACTIVE WHEN BIKE TURNS ON: via app
WHEEL CIRCUMFERENCE SETTING: via app

Attention! Verify that the connectors on your e-bike match those in the photo!

WARNING! READ THE ASSEMBLY INSTRUCTIONS AND THE USER MANUAL CAREFULLY, DOWNLOADABLE VIA THE BUTTON IN THE BAR BELOW

Other information

Unlocking the speed limiter in public places such as roads, squares, and bike lanes is PROHIBITED BY LAW. Therefore, it is possible to activate the unlock in private, enclosed areas such as circuits, tracks, and private property. Once the device is installed, the bicycle is NO LONGER COMPLIANT WITH THE LAW. Installing the device may void the bicycle's factory warranty. The manufacturer disclaims all liability for any damage caused to pedal-assisted bicycles on which the Eplus system is installed. The manufacturer disclaims all liability for damage to persons or property caused by or in any way related to the use of Eplus.