Description
Product Overview
The A-Premium Power Window Regulator is a direct OE replacement designed for the front driver side of BMW 318i (1992‑1998), 318ti (1995‑1999), 325i (1992‑1995), 328i (1996‑1998) and M3 (1997‑1998). Crafted from high‑strength aluminum, the regulator is finished ready‑to‑paint, allowing it to blend seamlessly with your vehicle’s interior trim. It matches OEM part numbers 51331977609, 740‑403, 125‑58470L, and BM1350102, ensuring precise fit and function. Weighing only 3.69 lb and packaged in a compact 22.5 × 9 × 3 in box, it ships ready for installation without the motor, simplifying the replacement process.
Usage
This regulator is ideal for owners restoring classic BMWs or repairing everyday window operation issues. Whether you’re a DIY hobbyist working in a home garage or a professional technician in a service shop, the regulator’s straightforward bolt‑on design reduces labor time. It performs reliably in all weather conditions, making it suitable for daily commuting, weekend drives, and seasonal travel. 
Why Choose Us
A-Premium stands behind every regulator with a one‑year unlimited‑mileage guarantee, reflecting confidence in material quality and engineering precision. Our regulators undergo rigorous testing to meet or exceed OEM standards, delivering smooth, noise‑free window movement. The ready‑to‑paint finish eliminates the need for additional coating, saving you time and money. With a proven track record reflected in over 90 customer reviews and a top‑ranking position in the automotive replacement window regulator category, you can purchase with confidence.
Key Features
- Direct OE fit – no modifications required for a seamless installation.
- Aluminum construction – lightweight yet durable for long‑term performance.
- Ready‑to‑paint finish – matches OEM interior aesthetics without extra work.
- Easy install – bolt‑on design eliminates the need for specialized tools.
- One‑year unlimited‑mileage warranty – peace of mind for every driver.
FAQ
Does this regulator include the motor?
No, this product is a power window regulator only and does not include the motor. It is intended to replace the regulator component while reusing the existing motor.
Will this part fit a 1997 BMW M3?
Yes, the regulator is compatible with the 1997‑1998 BMW M3 front driver side window assembly.
Is any painting required after installation?
The regulator arrives with a ready‑to‑paint surface that matches OEM interior panels. You can paint it to match your vehicle’s interior color if desired, but it is also functional without additional painting.
Can I install this part myself?
Absolutely. The regulator is designed for bolt‑on installation with standard hand tools, making it suitable for DIY installation.
What warranty does A-Premium provide?
A-Premium offers a one‑year unlimited‑mileage warranty covering any defects in material or workmanship.
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