BMW 8138928 Rear Right Door Lock Latch Actuator 88-95

( Manufacturer Part Number: 8138928 ), ( Part Type: Actuator Door Lock Latch ), ( Manufacturer Warranty: 1 Month ), ( Country Of Origin: Germany ), ( Placement On Vehicle: Rear, Right )

Review BMW 88-95 Rear Right Side Door Lock Latch Actuator Oem fits E34 525I 530I 535I 540I

The **BMW E34 5-Series Rear Right Door Lock Latch Actuator (Part Number: 8138928)** is a precision-engineered component designed to ensure seamless and reliable operation of the rear right door locking mechanism on models spanning the **1988 to 1995 production years**, including the **525i, 530i, 535i, and 540i**. This actuator is a critical part of the vehicle s door lock system, responsible for translating electrical signals from the door lock switch into mechanical motion, allowing the door to securely latch or unlock with smooth, consistent performance. Crafted to BMW s exacting standards, this actuator is built with durable materials, including high-grade plastics and reinforced metal components, ensuring longevity even under frequent use. The design incorporates a robust internal mechanism, including a reliable solenoid and a precision-machined latch arm, which engages with the door s striker plate to provide a tight, vibration-resistant seal. Compatible with the E34 s electrical system, this actuator is designed to integrate seamlessly with the vehicle s wiring harness, minimizing the risk of electrical interference or malfunction. Whether replacing a worn-out original part or upgrading for enhanced durability, this actuator delivers the precision and reliability expected from BMW s engineering legacy. Its straightforward installation typically requiring only basic tools makes it an accessible yet high-quality replacement for mechanics and DIY enthusiasts alike, ensuring that the rear right door operates with the same effortless efficiency as the day the vehicle was new.

### **Pros and Cons of Buying a BMW E34 (1988 1995) 525i/530i/535i/540i Rear Right Door Lock Latch Actuator (Part # 8138928)**

1. **Direct Fitment** The part number **8138928** is a genuine BMW actuator designed specifically for the E34 5-series (1988 1995) models, including the 525i, 530i, 535i, and 540i. This ensures compatibility without modifications, reducing the risk of installation issues.

2. **Reliability** BMW s original components are built to last, especially when sourced from reputable suppliers. A faulty actuator can cause power window malfunctions, and replacing it with an OEM or high-quality aftermarket part restores proper function.

3. **Prevents Further Damage** A failing actuator can strain the window regulator or wiring, leading to more expensive repairs if ignored. Replacing it early prevents secondary damage.

4. **Improves Functionality** If the window is stuck, partially open, or unresponsive, replacing the actuator restores smooth operation, enhancing convenience and safety.

5. **Aesthetic and Resale Value** Keeping the car in good working condition, including all electrical components, helps maintain its value, especially for collectors or those planning to sell the vehicle later.

6. **Warranty Coverage (If Purchased New)** If buying from a dealer or authorized supplier, some parts may come with a warranty, providing peace of mind against premature failure.

7. **Ease of Installation** While some E34 repairs can be complex, the door lock actuator is relatively straightforward to replace, especially with the right tools and guidance. Many owners or mechanics can handle it without professional assistance.

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1. **Cost** Genuine BMW parts, even for individual actuators, can be expensive compared to aftermarket alternatives. Prices may range from **$100 $250 **, depending on the supplier and condition (new vs. used/refurbished).

2. **Availability of Aftermarket Options** While aftermarket actuators exist, some may not be as durable or may require additional wiring adjustments. Cheaper parts might fail sooner, leading to repeated replacements.

3. **Potential for Counterfeit Parts** Buying from untrusted sellers (e.g., eBay without verification or unlicensed online marketplaces) risks receiving fake or low-quality parts that don t fit or function correctly.

4. **Additional Labor Costs** If hiring a mechanic, labor fees (typically **$100 $200/hour** for E34 work) can add to the total expense. DIYers must account for time, tools, and potential mistakes.

5. **Underlying Electrical Issues** If the problem stems from a faulty fuse, corroded wiring, or a bad window switch, replacing just the actuator may not solve the issue permanently. A full diagnostic check is advisable.

6. **Age of the Vehicle** E34s are over **30 years old**, meaning some parts may be harder to find or require specialized tools. Rust, worn-out seals, or degraded wiring can complicate repairs.

7. **Risk of Overlooking Other Problems** A failing actuator might be a symptom of a larger issue (e.g., a failing window regulator or motor). Skipping a thorough inspection could lead to recurring problems.

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Replacing the **BMW E34 rear right door lock latch actuator (8138928)** is a **necessary repair** if the window is malfunctioning, as ignoring it can lead to worse issues. The part is **direct-fit and reliable**, making it a sound investment for restoring functionality. However, the **cost and potential for aftermarket alternatives** should be weighed against the benefits.

If the budget allows, **purchasing a genuine or high-quality aftermarket actuator** (from a trusted supplier like **BMW Parts, RockAuto, or eBay verified sellers**) is the best approach. For those comfortable with DIY, the repair is manageable with proper guidance. If unsure, consulting a BMW specialist ensures the job is done correctly.

- **Buy the part from a reputable source** (e.g., BMW dealership, RockAuto, or a trusted online retailer) to avoid fakes.

- **Inspect the window regulator and wiring** before and after replacement to prevent future issues.

- **Consider aftermarket options** if the genuine part is significantly overpriced, but prioritize quality over cost.

- **DIY if confident** installation is feasible with basic tools but seek professional help if unsure.

- **Budget for potential additional repairs** if other components (e.g., switches, regulators) are worn out.

For most E34 owners, this repair is **worthwhile** to maintain the car s reliability and resale value, especially for models kept in good condition.

Details:

1995 BMW 530I E34. 1988 1995 BMW E34 5 SERIES SEDAN WAGON. Shipping costs are only covered on a case-by-case basis.

part #: 8138928 prices

• $56.99-$288.77

specifications carlockiio:

• for models: E34, 525i, 530i, 535i, 540i
• for makes: Bmw
• mpn: 8138928
• part type: Actuator Door Lock Latch
• manufacturer warranty: 1 Month
• country of origin: Germany
• placement on vehicle: Rear, Right

seller carlockiio:

• # reviews: 1316
• rating: 99.8%
• city: Dallas, Texas

payments carlockiio:

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

shipping carlockiio:

• class: Standard
• type: Fixed
• transit: 3-7 Days
• cost: $12.00
• service: Standard

general carlockiio:

• Car Truck Parts Accessories > Exterior Parts Accessories > Exterior Locks Lock Hardware
• condition: Used

offer carlockiio:

• best offers: True
• availability: In Stock
• started: March 23, 2026
• sold: 0
• quantity: 1
• options: Ship-to-home

returns carlockiio:

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

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