BMW i4 G26 iDrive 8 Mileage Blocker

Overview

The BMW i4 G26 mileage blocker is an electronic module designed for compatible BMW i4 models equipped with the iDrive 8 Curved Screen instrument cluster.

It controls how newly travelled distance is recorded through four selectable operating modes. The module connects to the vehicle’s existing electronic wiring using matching plugs, without cutting or soldering the factory connections.

Unlike earlier BMW instrument-cluster modules, this curved-screen version connects through a white plug behind the lower dashboard guard or trim panel. The Curved Display itself does not need to be removed.

When correctly installed, the module is designed to retain normal speedometer operation and supported driver-assistance functions.

Compatibility

The Smelecom BMW i4 mileage blocker is listed for:

• BMW i4 Series (G26)
• Model years: 2023 onwards
• BMW iDrive 8 / Curved Screen instrument cluster
• Vehicles with the curved dashboard display shown in the product images

The correct instrument-cluster configuration is essential when selecting this module. The G26 chassis designation and production year should be checked alongside the vehicle’s dashboard and connector arrangement.

Although the BMW i4 shares the G26 chassis designation with certain BMW 4 Series variants, compatibility should be confirmed according to the exact vehicle configuration.

Other BMW models and instrument-cluster versions may require a separate module from the BMW mileage blocker range.

If you cannot confirm fitment, contact Smelecom with your VIN and a clear photograph of the dashboard before ordering.

Key Features

• BMW i4 compatibility: Developed for the G26 electric model with the supported iDrive 8 Curved Display configuration.
• Plug-and-play fitting: Connects through the existing vehicle wiring without cutting or soldering.
• OEM-style connectors: Uses original-type plug connections for a secure, factory-style fit.
• Four operating modes: Supports stopped, 10%, 50% and normal 100% mileage-recording settings.
• BC-button control: Allows operating modes to be changed using the vehicle’s existing BC button.
• Last-setting memory: Remembers the previous operating setting when the vehicle is used again.
• No mileage catch-up: Designed to prevent an odometer jump when the module is removed and the vehicle returns to standard operation.
• Dashboard functionality: The speedometer and supported driver-assistance systems remain operational when correctly installed.
• No dashboard errors: Designed to operate without warning lights or fault codes when correctly fitted.

How Does the BMW i4 Mileage Blocker Work?

The BMW i4 mileage blocker uses a microcomputer connected to the vehicle’s electronic wiring to filter mileage-related signals.

Depending on the selected mode, the module stops, partially records or normally counts newly travelled distance. The odometer and related control units receive mileage information according to the selected operating setting.

The module uses the BMW’s BC button to switch between modes, with flashes from the hazard warning lights confirming each selection.

When returned to normal operation, standard mileage recording resumes.

Quality and Testing

Each BMW i4 G26 module is programmed and checked in-house for its specified vehicle application before dispatch.

The unit is manufactured using high-quality electronic components designed for long-term use within the dashboard environment.

Every kit includes vehicle-specific fitting instructions and connection images. Installation by an experienced auto electrician is recommended for customers unfamiliar with BMW electronic systems or dashboard connections.

General preparation and fitting information is available through Smelecom’s mileage blocker installation support. The supplied BMW i4 instructions should be followed for the correct curved-screen connection.

Shipping and Availability

• UK and worldwide shipping available.
• Most in-stock orders are dispatched the same day.
• Next-working-day UK delivery options are available for eligible in-stock orders.
• International delivery services depend on the destination.

Shipping arrangements and return conditions are outlined in Smelecom’s delivery and returns policy.

Vehicle-Specific Guidance

The BMW i4 G26 with iDrive 8 requires a different connection arrangement from earlier BMW instrument clusters.

For this curved-screen application:

• Instrument display: BMW iDrive 8 Curved Screen
• Connection location: White plug behind the lower guard or dashboard trim panel
• Display removal: Not required
• Connection type: Matching vehicle and module plugs
• Initial reset period: Approximately two minutes with the vehicle locked after installation

The correct white connector should be identified using the supplied fitting images before proceeding.

If the dashboard or connector arrangement differs from the product information, confirm compatibility before installation.

Installation

The BMW i4 G26 mileage blocker connects through the white plug behind the lower dashboard guard or trim panel.

Follow the vehicle-specific installation instructions supplied with the module.

1. Switch off the BMW i4 and allow its electrical system to shut down.
2. Remove the lower guard plate or dashboard trim panel identified in the fitting instructions.
3. Locate and carefully disconnect the original white plug.
4. Connect the module plugs to the matching vehicle-side connections.
5. Attach the vehicle’s original white plug to the corresponding connector on the module.
6. Check that all plugs are correctly oriented and fully seated.
7. Secure the module wiring to prevent trapping, pinching or strain.
8. Refit the lower guard plate and surrounding trim.
9. Close all vehicle doors and lock the BMW i4 for approximately two minutes.
10. Unlock and start the vehicle, then confirm that the Curved Display and normal vehicle functions operate correctly.

Important: Never force a connector. If a plug does not fit correctly, check its orientation against the supplied fitting images.

The Curved Display itself does not need to be removed during installation.

Activation and Operating Modes

The BMW i4 iDrive 8 mileage blocker provides four selectable operating modes.

Mode 1: Mileage Recording Stopped

• The hazard warning lights flash twice.
• New mileage recording is stopped.

Mode 2: 10% Mileage Recording

• The hazard warning lights flash three times.
• The module records 10% of the distance travelled.

Mode 3: 50% Mileage Recording

• The hazard warning lights flash four times.
• The module records 50% of the travelled distance.

Mode 4: Normal Operation

• The hazard warning lights flash once.
• Standard mileage recording resumes at 100%.

Activation Sequence

Start the BMW i4 before changing operating modes.

Press and hold the BC button for six seconds to advance to the next setting.

Repeat the same six-second hold to cycle through the available modes. The hazard warning lights confirm the selected setting.

Buzzer Confirmation

The module also provides audible signals indicating filtered mileage stored by its system.

• One buzzer signal represents approximately 5,000 km.
• Two signals represent approximately 10,000 km.
• Further signals indicate additional increments of approximately 5,000 km.

Returning to Normal Operation

Continue cycling through the modes by holding the BC button for six seconds until Mode 4 is selected.

A single flash from the hazard warning lights confirms that normal 100% mileage recording has resumed.

Post-Installation Troubleshooting

If the display does not illuminate after installation, close all vehicle doors and lock the BMW i4 for approximately five minutes.

Unlock the vehicle and check the display again.

Engine or System Warning Light

The existing product instructions describe moving the vehicle, stopping and switching it off, repeated approximately three to five times.

A suitable diagnostic tool may also be used where required. Persistent warning lights should be assessed by a qualified technician.

Outside Temperature Displays -40°C

If the outside-temperature display shows -40°C after installation, the supplied instructions describe the same move, stop and switch-off sequence repeated approximately three to five times.

A suitable diagnostic tool may be used if required. If the reading remains incorrect, seek professional diagnostic assistance.

Important Information

The BMW i4 G26 mileage blocker is designed for vehicles equipped with the specified iDrive 8 Curved Display configuration. Compatibility must be confirmed using the model year, dashboard appearance and vehicle connection type.

The module controls new mileage recording but does not erase or reverse previously stored mileage.

This product must only be used in accordance with applicable laws, regulations and Smelecom’s permitted-use conditions. The customer is responsible for ensuring lawful installation and use, including any legally required disclosure of mileage discrepancies.

Vouchers cannot be used to purchase curved-screen products.

For questions about BMW i4 compatibility, dashboard connections or fitting requirements, contact the Smelecom team before placing an order.