BMW 1378139 Steering Wheel Turn Signal Switch Wire 850I 850CI

( Manufacturer Part Number: 1378139 ), ( Part Type: Steering Turn Switch Wire Wheel Signal ), ( Manufacturer Warranty: 1 Month ), ( Placement On Vehicle: Front, Left ), ( Country Of Origin: Germany )

Review BMW 850ci Steering Wheel Turn Signal Switch Wire Oem fits E31 1991–1997

Introducing the BMW 1378139 turn signal switch wire, specifically designed for the BMW E31 8-series models produced between 1991 and 1997, including both the 850i and 850Ci variants. This high-quality automotive component is an essential part of your vehicle's electrical system, responsible for activating the turn signals when the corresponding stalk on the steering column is moved.

The BMW 1378139 turn signal switch wire is meticulously crafted with the finest materials and advanced engineering techniques to ensure superior performance and longevity. Each wire is insulated with a heat-resistant, high-density material that protects against electrical interference and damage, even under the most demanding driving conditions. The terminals are securely crimped with precision, creating a strong and reliable connection that guarantees consistent signal transmission between the steering column and the turn signal system.

This replacement part is a direct fit for the BMW E31 8-series and can be installed with ease, saving you time and effort compared to dealing with aftermarket alternatives or custom-fabricated solutions. By using OEM (Original Equipment Manufacturer) parts like the BMW 1378139 turn signal switch wire, you can maintain your vehicle's factory-engineered electrical system and preserve its overall value and integrity.

The BMW 1378139 turn signal switch wire is not only essential for the proper functioning of your vehicle's turn signals but also contributes to your safety on the road. Ensuring that your turn signals are working correctly is crucial for alerting other drivers to your intentions, reducing the risk of accidents and enhancing your overall driving experience.

Investing in the BMW 1378139 turn signal switch wire is a wise choice for BMW E31 8-series owners looking to keep their vehicles in top condition, both in terms of performance and safety. With its unparalleled quality, reliability, and fit, this OEM part is the smart choice for those who value the exceptional driving experience that the BMW brand is known for.

The BMW E31 850i/850ci steering wheel turn signal switch is an essential component for operating the vehicle's turn signals. Replacing this part may be necessary due to wear and tear or as part of a restoration project. Here are some pros and cons of buying this specific BMW part:

1. OEM (original equipment manufacturer) part: Buying an original BMW part ensures that it is made to the same quality standards as the original equipment in your vehicle.

2. Proper fitment: This part is specifically designed for the BMW E31 850i/850ci models, ensuring a perfect fit and function.

3. Improved reliability: A new OEM part can help eliminate potential issues that may arise from using aftermarket or used parts.

1. Cost: OEM parts, especially from BMW, can be quite expensive compared to aftermarket alternatives.

2. Availability: Depending on the supplier, it may take some time to source and receive the part, especially if it needs to be ordered directly from BMW.

3. Installation complexity: Installing this part may require some technical expertise and specialized tools.

In conclusion, buying the BMW E31 850i/850ci steering wheel turn signal switch as an OEM part has its advantages, such as proper fitment, improved reliability, and original quality. However, it also comes with some drawbacks, such as cost, potential availability issues, and installation complexity.

If you are comfortable with the cost and the installation process, purchasing an OEM BMW part is a good choice for ensuring the best possible fit, function, and longevity. However, if you are looking for a more cost-effective solution, you may consider exploring aftermarket alternatives with a trusted supplier while being aware of the potential risks and trade-offs. Ultimately, the decision depends on your budget, technical expertise, and priorities.

Details:

Shipping costs are only covered on a case-by-case basis. 1991 1997 BMW E31 850I 850Ci 850CSi 840Ci. 1991 BMW 850I E31.

part #: 1378139 prices

• $82.49-$250.00

specifications inswico:

• for models: E31
• for makes: Bmw
• for years: 1991-1997
• mpn: 1378139
• part type: Steering Turn Switch Wire Wheel Signal
• manufacturer warranty: 1 Month
• placement on vehicle: Front, Left
• country of origin: Germany

offer inswico:

• sold: 0
• availability: In Stock
• best offers: True
• options: Ship-to-home
• started: March 11, 2026
• quantity: 1

general inswico:

• Car Truck Parts Accessories > Interior Parts Accessories > Switches Controls
• condition: Used

returns inswico:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days

payments inswico:

• other
• wallet: Paypal
• credit card: Diners-club

shipping inswico:

• transit: 2-5 Days
• type: Fixed
• service: Standard
• cost: $12.00
• class: Standard

seller inswico:

• rating: 99.8%
• city: Dallas, Texas
• # reviews: 1219

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