BMW 3 Series E90 E92 E93 M3 LCI Gearshift Gear Selector Switch Shifter 7842102

BMW 3 Series E90 E92 E93 M3 LCI Gearshift Gear Selector Switch Shifter is an original transmission control system component, designed specifically for the facelift version. Thanks to its factory BMW design, it ensures precise gear selection and seamless operation with the vehicle's electronics, which translates into reliable, consistent, and comfortable drivetrain control.

Specifications and technical data

• SKU: 7842102
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7842102
• Substitutable numbers: 61317842102, 7842102, 61317841828, 61317841827, 61317841164, 7841828, 7841827, 7841164, EM
• Category: Gearsticks & Gear Knobs

Purpose and function in the drivetrain

The presented component belongs to the Gear shifters and knobs category and is responsible for the physical and electrical control of gear selection in BMW 3 Series E90, E92, and E93 M3 LCI models. As an original BMW part, it is engineered to work with factory controller software, which minimizes the risk of communication errors in the vehicle's bus and ensures stable operation of the entire gear shifting system.

Construction and compatibility

The offered gear selector switch is a complete selector module that integrates the selection mechanism and the electronic part responsible for transmitting signals to the transmission controller into a single housing. Using the original BMW design means:

• factory mounting points matched to the center console of the respective body versions,
• electrical connectors prepared for compatibility with the BMW wiring harness,
• preservation of the correct lever operating characteristics and gear position logic.

As a result, installation in the appropriate model is predictable, and the module can work with the existing vehicle configuration after proper connection without the need for mechanical modifications.

Benefits of using an original BMW selector

Using an original selector in the BMW 3 Series M3 LCI allows for maintaining the consistency of the entire drivetrain. In practice, this means:

• precise gear selection in line with the factory characteristics of the M3 model,
• proper cooperation with safety and traction control systems,
• preservation of the ergonomics intended by the manufacturer.

The item comes from the BMW parts group, which for many users is important from the point of view of maintaining the vehicle in a configuration close to factory condition and limiting software compatibility issues.

Condition and service application

The product is offered as a used part, which allows for a significant reduction in repair costs compared to purchasing a new module, while maintaining the original BMW design. This type of selector is suitable both for the typical replacement of a damaged component and for modernization work within the gear shifting system when you want to maintain the factory control logic.

When working on the drivetrain, it is also worth paying attention to the selection of the appropriate transmission and its accessories. If you are considering replacing or refurbishing the gearbox, an article describing the cost-effectiveness of purchasing parts from the secondary market may be helpful: Used gearbox – when is it worth it and what you need to remember.

Expanding the BMW gear control system

If you are planning a comprehensive repair or modernization of the center console area in your BMW and need other components from the same group, such as levers, knobs, or additional control elements, check the available parts in the BMW gear shifters and knobs category.

By using original components from this group, you can maintain interior stylistic consistency, proper cooperation with vehicle electronics, and predictable drivetrain behavior, which is particularly important in dynamic models such as the M3.