2024 BMW X5/X6/X7 Remote Start & Max Speed Issues

Owners of certain 2024 BMW X5, X6, X7, 740i, and XM models may encounter several performance issues related to engine management and optional features. These problems, detailed in BMW TSB SIB 12 04 24, stem from an unfavorable Digital Motor Electronics (DME) application.

Symptoms of Unfavorable DME Application

If your vehicle is affected, you might experience one or more of the following:

• Remote Engine Start Issues: The "Remote Engine Start" selection may be missing from the "Pre-conditioning" sub-menu. Even if selected via the vehicle key, the 2024 BMW X5 remote engine start function might not activate. You may also see Check Control message 2055, stating "Remote engine start not available."
• Maximum Speed Limitation: For vehicles equipped with optional equipment "07ME - M Driver's Package," the increased maximum speed may not be reached.
• M MODE 'TRACK' Unavailable: If your vehicle has optional equipment "01MB - M Drive Professional," the M MODE "TRACK" option might be unavailable, with only "ROAD" and "SPORT" modes accessible.

Diagnostic Trouble Codes (DTCs)

Technicians investigating these symptoms will likely find specific fault codes stored in the DME fault memory:

BMW notes that the combination of these two fault codes, 021280 and 021283, is directly linked to the customer perceptions described above, including the 2024 BMW X5 remote engine start problem.

What Owners Should Know

BMW TSB SIB 12 04 24 explicitly states that replacing parts will not resolve these issues and is not permitted. The underlying cause is a software-related problem with the DME application, requiring a specific programming and encoding procedure.

Repair Procedure Summary

Addressing these issues involves a software update and encoding process performed by a BMW technician using the ISTA workshop system. The general steps are:

1. Vehicle Connection: The vehicle is connected to the ISTA diagnostic system.
2. Certificate Update: A certificate update is performed as part of the vehicle encoding process within ISTA.
3. Software Update and Encoding: The technician navigates through ISTA's "Vehicle management," "Software update," and "Expanded" menus to "Encode all control units." This process requires careful adherence to on-screen instructions.
4. Verification: The technician confirms that the issue, such as the 2024 BMW X5 remote engine start malfunction, has been resolved.

Warranty and Labor Information

This repair is covered under the BMW New Vehicle Limited Warranty or BMW Certified Pre-Owned Program, provided the vehicle meets the terms. The repair code for this situation is 1042305900, described as "Maximum speed not reached Too low / deep / slight."

Technicians will use specific labor operations for this service, including programming and encoding control units. This ensures that the vehicle's software is updated to the required I-level or higher, resolving the unfavorable DME application.

Source: NHTSA ID: 11002677