BMW E60 E63 E87 E90 E91 Relay Make Contact Orange Bosch 4 Pins Set 1378238

The BMW E60 E87 E90 E91 TYCO Relay Kit 1378238 is an original component from the relays group, designed for the electrical systems of popular BMW 1, 3, and 5 Series models. This used OEM component ensures compatibility with the factory installation, and its distinctive orange housing facilitates identification in the fuse and relay box.

Specifications and technical data

• SKU: 1378238-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 1378238
• Substitutable numbers: 1378238, 61361378238, 8373700, 61368373700, 9057005, 61319057005, 1378297, 61311378297, 1714976, 12631714976, 8366600, 61368366600, 1735424, 12631735424, 1459577, 61311459577, 1350315, 61311350315, 0141229, 61360141229, 0332019456, 61311378301, 1378301
• Color: Orange
• Category: Relays

Application and Compatibility in BMW

The TYCO relay in this kit is designed to operate in the electrical systems of BMW E60, E87, E90, and E91 models, where it is responsible for controlling selected high-current circuits. Thanks to its construction compliant with the vehicle manufacturer's requirements, the component works seamlessly with factory wiring harnesses, sockets, and control modules, promoting stable operation of the onboard systems.

Its original BMW OE origin signifies adherence to appropriate electrical parameters, such as contact load capacity, coil characteristics, and resistance to typical operating conditions within the engine bay and vehicle interior.

Construction, Color, and Identification

The relay features a compact orange housing, which allows for quick location in the relay box during diagnostics or replacement. The standard pin configuration enables installation in factory sockets without the need for wiring modifications.

The housing is designed for automotive environments, taking into account vibrations, temperature fluctuations, and humidity. The use of proven TYCO technology contributes to consistent switching parameters and stable electrical contact over a long service life.

Benefits of Using an Original BMW Relay

Choosing the relay from the BMW E60 E87 E90 E91 TYCO Relay Kit 1378238 is a solution for users who expect compatibility with the vehicle's factory specifications. In practice, this translates to:

• maintaining electrical system operating parameters as intended by the car manufacturer,
• a secure fit with original sockets and wiring harnesses without installation modifications,
• easier diagnostics at a service center due to the use of a component known from factory assembly,
• consistency with BMW technical documentation and electrical schematics.

This approach is particularly important in vehicles where power supply and control stability affect the operation of many interdependent electronic systems.

Condition, Verification, and Part Selection

The offered relay comes from the category of used BMW parts, allowing for economical restoration of the electrical system's functionality while retaining an OEM component. Before installation, standard verification of the vehicle's electrical system is recommended to rule out other potential sources of faults, such as damaged wiring harnesses, excessive circuit load, or incorrect grounding.

When selecting a part, it is advisable to refer to the manufacturer's markings and its intended application in a specific car model and year. Additional information on how to consciously choose parts from the relays category can be found in the guide: How to Choose the Right Car Relay for Your BMW.

Installation and Operational Tips

When replacing the relay, it is recommended to:

• disconnect the vehicle's power supply before removing the component from its socket,
• check the condition of the contacts in the relay box (look for signs of burning, corrosion, or looseness),
• insert the relay into the socket with a noticeable, firm click,
• perform a functional test of the system after installation (e.g., by activating the relevant circuit and observing the receiver's operation).

If you are planning a broader modernization or repair project using second-hand components, it is worth familiarizing yourself with practical tips contained in the article: Buying Used Car Parts – How to Avoid the Most Common Mistakes in Tuning. This will help you better plan your work and select parts that align with your project goals.