BMW E46 E91 E61 Rear Window Key Button With Micro Switch 8378939

BMW E46 E91 E61 Tailgate Handle Microswitch 8385694 is an original part from the Tailgate & Rear Parts category, designed for installation in the rear of the vehicle body. The integrated microswitch ensures precise control of tailgate opening, which translates to convenience in daily use and proper cooperation with the BMW vehicle's electronics.

Specifications and technical data

• SKU: 8378939
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8378939
• Substitutable numbers: 61318385694, 8385694, 61319200673, 9200673, 9187013, 9218995, 9168129, 61319218995, 61319168129, 61319187013, 6131919482561318378939, 9194825, 8378939, 61319194825, 61318378939
• Location on the vehicle: Rear
• Category: Boot & Hatch Lids

Purpose and Function of the Handle with Microswitch

The tailgate handle with microswitch is responsible for convenient, electric release of the trunk lock. This component works with the car's electrical system, comfort modules, and the lock, allowing the tailgate to open smoothly after pressing the handle. For BMW E46, E91, and E61 series, a correctly functioning microswitch is crucial for reliable access to the luggage compartment.

The offered handle is a BMW OE type part, meaning it retains factory geometry, appropriate button travel, and correct operation under typical usage conditions.

Construction and Vehicle Placement

The part is designed for installation in the tailgate area, replacing the factory handle. The integrated microswitch is housed within the handle's casing, reducing the risk of mechanical damage and facilitating installation. The design is intended for outdoor use – in an area exposed to moisture, temperature changes, and road debris.

Its placement at the rear of the vehicle allows for:

• ergonomic opening of the trunk with a single hand movement,
• correct signal transmission to the electrical system,
• maintaining the original body line and part fitment.

Benefits of Using an Original BMW Handle

Using an original handle with a microswitch in BMW E46, E91, and E61 models allows for restoring full tailgate functionality without the need for electrical system modifications. Key benefits include:

• Factory Fitment – correct mounting points and shape consistent with the original BMW design.
• Proper Electronic Compatibility – the microswitch sends signals with parameters specified by the manufacturer.
• Stable Performance in Daily Use – construction prepared for repeated opening and closing cycles of the tailgate.

Therefore, replacing a damaged handle with this part helps to reduce problems with tailgate opening, comfort errors, or the need for emergency access methods to the cargo space.

Condition, Origin, and Compatibility

The offered handle with microswitch comes from a dismantled BMW vehicle and is classified as a used original part. This type of part is a good choice when aiming to maintain factory quality while optimizing repair costs. The product is intended for installation in the rear of the vehicle body, in place of the factory trunk lid handle.

Before purchasing, it is advisable to compare the shape and type of the electrical connector with the currently installed part to confirm compatibility with your specific vehicle equipment version.

BMW Tailgate & Rear Parts – Selecting the Right Components

If you are looking for other components from the BMW Tailgate & Rear Parts category – such as additional handles, lock elements, or tailgate accessories – check out the BMW Tailgate & Rear Parts available in our assortment to select parts tailored to specific series and body versions.

For drivers interested in a broader perspective on vehicle operation and the impact of individual components on driving comfort, an article describing the operation of the steering system and power steering may be helpful – you can find it here: Steering System and Power Steering – How It Works and What Fails?.