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BMW 51338123233 Rear Left Window Regulator Motor 850I 850CI

fits model: E31. make: Bmw. year: 1991–1999.

51338123233 Bmw 91-99 E31 850i 850ci Rear Left Side Window Regulator W Motor Oem

( Manufacturer Part Number: 51338123233 ), ( Part Type: Window Regulator Motor ), ( Manufacturer Warranty: 1 Month ), ( Placement On Vehicle: Left, Rear, Rear Left )

Review BMW 850ci Rear Left Side Window Regulator Motor Oem fits E31 1991–1999

BMW E31 850i/850Ci Rear Left Window Regulator Motor (51338123233)

Description:

The BMW E31 850i/850Ci Rear Left Window Regulator Motor (51338123233) is an essential component for the smooth operation of the rear window system in your BMW E31 850i or 850Ci. This motor is specifically designed and manufactured to meet the high standards of BMW's engineering and performance.

This motor drives the window regulator assembly, which controls the movement of the rear left window. When you operate the window control switch in your BMW, an electrical signal is sent to the motor, which then responds by engaging the window regulator gears and moving the window up or down accordingly. The motor's efficient design ensures quick and quiet window movement, enhancing the overall driving experience.

The BMW E31 850i/850Ci Rear Left Window Regulator Motor (51338123233) is engineered with precision and durability in mind. It features a robust design, with high-quality materials and advanced manufacturing processes to ensure long-lasting performance. The motor is also designed to be easy to install, with clear instructions and mounting hardware included in the package.

It is important to note that this motor is a replacement part and is intended for use in vehicles with existing window regulator issues. Symptoms of a failing window regulator motor may include windows moving slowly or erratically, or windows getting stuck in an open or closed position. Replacing the motor with a genuine BMW part can help restore the functionality and reliability of your BMW's window system.

In summary, the BMW E31 850i/850Ci Rear Left Window Regulator Motor (51338123233) is a crucial component for the proper functioning of your BMW's rear window system. Its efficient design, robust construction, and easy installation make it an excellent choice for those seeking to restore the performance and reliability of their vehicle's window system.

Buying a BMW E31 (1991-1999) 850i/850ci Rear Left Window Regulator Motor: A Comprehensive Analysis

Introduction:

The BMW E31 850i/850ci is a luxurious and powerful executive car produced between 1991 and 1999. Like any other vehicle, it may require the replacement of various parts, including the rear left window regulator motor. In this analysis, we will discuss the pros and cons of buying a BMW E31 (1991-1999) 850i/850ci rear left window regulator motor to help potential buyers make an informed decision.

Pros:

1. OEM (Original Equipment Manufacturer) Part: By purchasing an OEM rear window regulator motor, you ensure that the part is specifically designed and manufactured for your BMW E31 850i/850ci. This compatibility guarantees a perfect fit and optimal performance.

2. High-Quality Construction: BMW is renowned for its high-quality parts. The rear window regulator motor is no exception. It is engineered to deliver robustness, reliability, and durability.

3. Enhanced Comfort and Convenience: A functioning window regulator motor is essential for the smooth operation of your vehicle's windows. By investing in a new one, you'll enjoy the convenience of effortlessly controlling your car's windows and maintaining a comfortable driving environment.

4. Potential Increase in Resale Value: A well-maintained BMW E31 850i/850ci can fetch a higher resale value. Replacing worn-out parts, such as the rear left window regulator motor, with new OEM components can help preserve the vehicle's value and appeal to potential buyers.

Cons:

1. Cost: Replacing a window regulator motor can be an expensive endeavor. The price of an OEM BMW E31 (1991-1999) 850i/850ci rear left window regulator motor may be higher than aftermarket alternatives. However, the cost is justified by the part's high-quality construction and perfect fit.

2. Installation Complexity: Installing a new rear window regulator motor can be a time-consuming and intricate process. It may require specialized tools and skills, which could add to the overall cost and complexity of the repair.

3. Availability: Depending on your location and the availability of BMW dealerships or authorized repair centers, finding and purchasing an OEM rear window regulator motor may be a challenge. This could result in extended downtime for your BMW E31 850i/850ci.

Conclusion:

The decision to buy a BMW E31 (1991-1999) 850i/850ci rear left window regulator motor ultimately depends on your priorities and circumstances. If you value the convenience of a perfect fit and high-quality construction, and are willing to invest in the cost and installation complexity, then an OEM part is the best choice. On the other hand, if budget is a primary concern, you may consider aftermarket alternatives. Regardless of your choice, ensuring that your BMW E31 850i/850ci remains in optimal condition will not only enhance your driving experience but also preserve its value.

Details:

1991 BMW 850I E31. 1991 1999 BMW E31 850I 850Ci 840Ci 850CSi. Shipping costs are only covered on a case-by-case basis.

part #: 51338123233 prices

  • $206.91-$289.00

specifications wimotpa:

  • for models: E31
  • for makes: Bmw
  • for years: 1991-1999
  • mpn: 51338123233
  • part type: Window Regulator Motor
  • manufacturer warranty: 1 Month
  • placement on vehicle: Left, Rear, Rear Left

offer wimotpa:

  • availability: In Stock
  • best offers: True
  • quantity: 1
  • options: Ship-to-home
  • started: January 24, 2026
  • sold: 0

seller wimotpa:

  • # reviews: 842
  • rating: 99.8%
  • city: Dallas, Texas

general wimotpa:

  • Car Truck Parts Accessories > Interior Parts Accessories > Window Motors Regulators
  • condition: Used

shipping wimotpa:

  • type: Fixed
  • cost: $25.00
  • service: Standard
  • transit: 4-9 Days
  • class: Standard

returns wimotpa:

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

payments wimotpa:

  • credit card: Discover
  • wallet: Google-pay
  • other
for models: e31, for makes: bmw, for years: 1991-1999, part type: window regulator motor, manufacturer warranty: 1 month, placement on vehicle: left, rear, rear left,
category: auto parts > car truck parts accessories > interior parts accessories > window regulators, sku: 18490244581051853,
Bmw 51338123233 Is Similar To:
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5 offers $206.91–$289.00 USD
  • Used. Offer #1 priced at $289.00 + $26.73 shipping estimate = $315.73* total. Shipped with USPS Ground Advantage. TESTED 91-99 BMW E31 850Ci REAR LEFT SIDE WINDOW REGULATOR W MOTOR OEM.+$26.73 shipping
  • Used. Offer #2 priced at $224.91 + $36.19 shipping estimate = $261.10* total. Condition Notes: This part is used. Condition:This is a used OEM part.+$36.19 shipping
  • Used. Offer #3 priced at $206.91 + $36.19 shipping estimate = $243.10* total. +$36.19 shipping
  • Used. Offer #4 priced at $224.23 + $0.00 shipping estimate = $224.23* total. Color: Black. Manufacturer Part Number: .FREE SHIPPING
  • Used. Offer #5 priced at $69.99 + $0.00 shipping estimate = $69.99* total. Model: 24 BMW M8 Front Right Passenger Door Window Regulator Motor Drive 61355a44096 Oem Bmw M8 M 840i F91 F92 G14 G15 2019-25; Rh.FREE SHIPPING

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