BMW 51227229461 Front Left Door Lock Actuator 643.BM1S13 340I

( Manufacturer Part Number: 51227229461 ), ( Part Type: Actuator Door Lock ), ( Conditions Options: Fl Door Lock Actuator ), ( Genuine Oem: Yes ), ( Ipn: 643.bm1s13 ), ( Descriptionpartcondition: Front Driver, Normal Wear Tear, Pls See Full Description For De ), ( Oe/oem Part Number: 51227229461, 5122 7229461, 7229461 )

Review BMW Front Left Door Lock Actuator fits 328I 320I 330I 335I F30 F31 2013

The **BMW F30/F31 2013 320i, 330i, 340i, 328i, or 335i front left door lock actuator (part number 51227229461)** is a precision-engineered component designed to ensure seamless and reliable operation of your vehicle s door locking mechanism. This actuator is a critical part of the door lock system, responsible for engaging and disengaging the door latch with smooth, consistent power assistance, eliminating the need for manual intervention. Crafted to meet BMW s stringent quality standards, it is built with durable materials, including high-grade plastics and robust metallic components, to withstand frequent use and environmental exposure, such as moisture, temperature fluctuations, and road debris. The actuator operates in tandem with the vehicle s central locking system, allowing for remote activation via the key fob, keyless entry, or manual controls, ensuring convenience and security. Its compact yet robust design integrates seamlessly into the door frame, minimizing interference with other mechanical or electrical components while maintaining optimal functionality. Whether your vehicle s original actuator has failed due to wear, electrical malfunctions, or physical damage, this replacement part is engineered to restore full operational integrity, providing the same level of precision and responsiveness as the factory unit. Compatible exclusively with the specified BMW models from the 2013 model year, this actuator is a direct-fit solution that requires no modifications, making it an ideal choice for both professional mechanics and DIY enthusiasts seeking a hassle-free upgrade. Its reliability is further enhanced by BMW s rigorous testing protocols, ensuring long-term durability and compatibility with the vehicle s advanced electronics, including the door control module and central locking system. By installing this high-quality actuator, you can restore your BMW s door locking system to factory specifications, enhancing both the aesthetic and functional performance of your vehicle.

### **Pros and Cons of Buying a Used BMW 3 Series (F30/F31) Front Left Door Lock Actuator (Part Number: 51227229461)**

#### **Overview**

The **BMW 51227229461** is a **front left door lock actuator** for the **BMW F30 (320i, 330i, 340i) and F31 (328i, 335i)** models. This part is critical for door locking/unlocking functionality, and its condition can significantly impact the vehicle s usability and safety. Below is a detailed analysis of the pros and cons of purchasing this part, along with a conclusion and recommendation.

---

### **Pros of Buying This Part**

1. **Direct Fitment for F30/F31 Models**

- The part is **OEM (Original Equipment Manufacturer) or high-quality aftermarket**, ensuring compatibility with the specified BMW models. This eliminates the need for modifications or adapters, reducing installation complexity.

2. **Reliability and Durability**

- BMW s door lock actuators are designed for **long-term use** under normal conditions. A new or refurbished unit should last **5 10 years or more** with proper maintenance, provided it is installed correctly and the vehicle s electrical system is functioning properly.

- High-quality aftermarket parts (e.g., from **Dekra, ACDelco, or Bosch**) often match or exceed OEM standards in durability.

3. **Prevents Safety Hazards**

- A faulty door lock actuator can lead to **malfunctioning locks**, which may fail to engage properly, posing a risk of doors opening unexpectedly while driving. Replacing it ensures **reliable operation** and reduces accident risks.

4. **Improves Convenience and User Experience**

- A properly functioning door lock actuator allows for **smooth locking/unlocking via keys, remote, or keyless entry systems**. This enhances the vehicle s usability, especially in modern BMWs with advanced keyless access.

5. **Prevents Further Electrical or Mechanical Damage**

- A failing actuator can strain the **door latch mechanism, wiring harness, or central locking system**, leading to more expensive repairs if ignored. Replacing it early can **prevent secondary damage** to related components.

6. **Warranty Coverage (If Purchased from Reputable Sellers)**

- Many aftermarket suppliers offer **limited warranties (1 2 years)**, providing peace of mind against premature failure. OEM parts may also come with a warranty if purchased from an authorized dealer.

7. **Cost-Effective Compared to Full Door Replacement**

- Replacing just the actuator is **far cheaper** than replacing an entire door assembly (which can cost **$1,000 **). Labor costs are also lower since the door doesn t need to be removed.

8. **Easy Installation (For Mechanically Inclined Buyers)**

- While some BMW repairs require specialized tools, replacing a door lock actuator is a **relatively straightforward job** for those with basic mechanical skills. It typically involves:

- Removing the door panel.

- Disconnecting the wiring harness.

- Removing old bolts and installing the new actuator.

- Reassembling and testing functionality.

9. **Supports Modern BMW Features**

- Newer actuators are compatible with **keyless entry systems, push-button start, and advanced locking protocols**, ensuring seamless integration with the vehicle s electronics.

10. **Environmentally Friendly (If Recycled or Refurbished)**

- Purchasing a **refurbished or remanufactured** actuator reduces waste compared to buying a new part, though this depends on the supplier s practices.

---

### **Cons of Buying This Part**

1. **Potential Counterfeit or Low-Quality Parts**

- The aftermarket is **flooded with counterfeit or subpar replicas**, especially on eBay, Amazon, or untrusted online marketplaces. These parts may:

- Fail prematurely.

- Not fit correctly, requiring adjustments.

- Lack proper certifications (e.g., ISO/TS 16949 for BMW-compatible parts).

- **Risk:** Buying from unknown sellers can lead to **wasted money and repeated failures**.

2. **Electrical Compatibility Issues**

- Corroded or frayed wiring.

- Faulty door control modules.

- Software glitches in the car s ECU.

- **Risk:** The part may work fine, but the underlying electrical problem persists, leading to frustration.

3. **Labor Costs and Complexity**

- While the part itself is affordable (**$50 $200** depending on quality), **labor costs can add up**, especially if hiring a professional. Some BMW dealerships charge **$150 $300 ** for labor, making DIY installation more cost-effective for most owners.

- **Risk:** Improper installation can damage the door latch or wiring, voiding warranties.

4. **Age of the Vehicle May Affect Longevity**

- If the **BMW is older (e.g., 2013 model) with high mileage**, other worn components (e.g., door seals, hinges, or the latch mechanism) may fail sooner, requiring additional repairs.

- **Risk:** The actuator may last, but related parts could fail within a short time.

5. **Limited Availability of OEM Parts**

- OEM actuators from BMW are **expensive ($200 $400 )** and may require ordering through an authorized dealer, increasing wait times.

- **Risk:** Buyers may be tempted to opt for cheaper aftermarket parts, which may not be as reliable.

6. **Potential for Recurrence of Issues**

- If the **underlying cause of the actuator failure** (e.g., water intrusion, electrical shorts, or poor wiring) is not addressed, the new part may fail again.

- **Risk:** Without diagnosing the root cause, the problem could persist or worsen.

7. **Compatibility with Aftermarket Modifications**

- If the vehicle has **aftermarket alarm systems, keyless entry upgrades, or modified wiring**, the new actuator may not integrate smoothly, leading to compatibility issues.

- **Risk:** Requires additional troubleshooting or professional diagnostics.

8. **Time-Consuming Installation for Non-Mechanics**

- Removing door panels, disconnecting wiring, and ensuring proper alignment can be **time-intensive** for those without mechanical experience. Some owners may struggle with:

- Removing stubborn clips or screws.

- Routing wiring correctly.

- Testing functionality without causing short circuits.

- **Risk:** Frustration or accidental damage to the door interior.

9. **Regional Availability and Shipping Delays**

- Depending on the supplier, **shipping times can vary**, especially for specialized parts. Some buyers may experience **weeks of wait time** for delivery.

- **Risk:** Delays in repairs, especially if the actuator is a critical failure.

10. **Potential for Overpaying for "Premium" Parts**

- Some sellers market **generic or rebranded parts** as "BMW-compatible" but charge premium prices. Buyers must **verify authenticity** to avoid overpaying for inferior quality.

- **Risk:** Paying more for a part that performs no better than a mid-range aftermarket option.

---

### **Conclusion**

Buying the **BMW 51227229461 front left door lock actuator** is a **practical and cost-effective solution** for restoring proper door locking functionality in an F30 or F31 model. The part is **essential for safety, convenience, and preventing further electrical issues**, making it a worthwhile investment if sourced correctly.

However, the **quality of the part, installation method, and underlying vehicle condition** play critical roles in its success. **Counterfeit parts, electrical problems, or improper installation** can turn a simple repair into a costly headache. Therefore, **due diligence is required** when purchasing and installing this component.

---

### **Recommendation**

1. **Source the Part from a Reputable Supplier**

- **BMW Approved Aftermarket Suppliers** (e.g., **Dekra, ACDelco, Bosch, or local BMW parts stores**).

- **Specialized Online Marketplaces** (e.g., **RockAuto, eBay (verified sellers), or Amazon (with high ratings)**).

- **Remanufactured/OEM Parts** (if budget allows, from **BMW Authorized Dealers**).

- **Avoid:** Unknown sellers, overly cheap parts (under $50), or parts without clear compatibility details.

2. **Verify Compatibility Before Purchase**

- Ensure the part matches your **exact BMW model (F30/F31), year (2013), and trim**.

- Check for **certifications** (e.g., ISO/TS 16949 for BMW-compatible parts).

3. **Diagnose Underlying Issues**

- Before replacing the actuator, **test the wiring harness, door control module, and central locking system** to rule out electrical faults.

- Use a **multimeter** to check for **continuity in the wiring** and inspect for **corrosion or damage**.

4. **

Details:

FOR SALE - BMW 320I 330I 340I 328I 335I F30 F31 Front Left Door Lock Actuator Driver // Part #. Donor Vehicle information. Left Side Driver / Right Passenger. S06UHTraffic Information, S06VACIC assignment, S06WAInstrument panel with extended scope, S0823Hot-climate version, S0845Acoustic fasten seat belt reminder, S0853Language English, S0876Radio frequency 315 MHz, S08KCDummy-SALAPA, S08TNDaytime driv.lights adjust.via light menu, S0925Dummy-SALAPA, S0992Control of number-plate attachment, S0993 model year code in VIN, S09AAOuter skin protection, S0B39mineral-Gray metallic, SA09090 Ah AGM battery, Sailcloth Dakota /Schwartz, Stealthier equipment.

FL Door Lock Actuator BMW 320I 330I 340I 328I 335I F30 F31 Front Left - Driver // Part #.

part #: 51227229461 prices

• $28.12-$45.65

specifications carlockiio:

• for models: 328i, 320i, 330i, 335i, F30, F31
• for makes: Bmw
• for years: 2013
• mpn: 51227229461
• part type: Actuator Door Lock
• conditions options: Fl Door Lock Actuator
• genuine oem: Yes
• ipn: 643.bm1s13
• descriptionpartcondition: Front Driver, Normal Wear Tear, Pls See Full Description For De
• oe/oem part number: 51227229461, 5122 7229461, 7229461

general carlockiio:

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

returns carlockiio:

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

payments carlockiio:

• credit card: Visa
• other
• wallet: Google-pay

seller carlockiio:

• rating: 100.0%
• # reviews: 9307
• city: Perth Amboy, New Jersey

shipping carlockiio:

• class: Standard
• cost: $0.00
• transit: 3-7 Days
• type: Fixed
• service: Standard

offer carlockiio:

• sold: 0
• quantity: 1
• options: Ship-to-home
• started: May 25, 2026
• availability: In Stock

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