BMW 3 Series E46 Rear Left N/S Door Outer Weatherstrip Seal High Gloss 7890453

BMW 3 Series E46 Rear Left N/S Door Outer Weatherstrip Seal High Gloss is an original body component from the Car Windows group, designed for installation on the outer edge of the driver-side rear door. It ensures a tight seal against the window, reduces wind noise, and protects the door interior from moisture and contaminants.

Specifications and technical data

• SKU: 7890453
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7890453
• Substitutable numbers: 51327890453, 7890453, PK
• Location on the vehicle: Rear, Left
• Category: Car Glass

Purpose and function of the BMW E46 door seal

The presented seal is dedicated to the rear left side of the 3 Series E46 body and works in direct contact with the side window. It is responsible for:

• maintaining a stable window position relative to the door frame,
• limiting air drafts at higher speeds,
• reducing noise and vibrations transmitted into the cabin,
• protecting the window edge and paintwork from micro-damage.

Thanks to its factory profile and proper material hardness, the seal works seamlessly with the window lifting mechanism without causing jamming or excessive resistance.

High-gloss finish and body aesthetics

The element stands out with its high-gloss finish, which visually completes the side line of the BMW 3 Series E46 body. This type of surface:

• emphasizes the characteristic line of the windows and door frames,
• blends better with factory decorative trims,
• improves visual consistency between the front and rear doors.

Replacing a worn or dull seal with an original high-gloss component allows you to restore the consistent appearance of the side body without interfering with the door structure.

Original origin and mounting fitment

The seal comes from the BMW line, which ensures that factory parameters for shape, length, and mounting points are maintained. As a result:

• it fits factory holes and clips in the rear left door,
• it requires no modifications or adjustments on the vehicle,
• it maintains the correct contact geometry with the window and door frame.

Such fitment reduces the risk of leaks and premature wear of the window or the lifting mechanism.

Condition of the item and benefits of choosing a used OEM part

The offered seal is in used condition, which allows you to combine original fitment with a favorable price compared to a new element. For the BMW 3 Series E46 body, choosing an original used part often ensures better compatibility than uncertain aftermarket replacements with simplified profiles.

If you want to better understand how selecting original components affects the car's resale value, check out the article Original used parts vs. car resale price – how not to lose?, which explains why sensible repairs using OEM components are profitable in the long term.

Comprehensive service for the window zone in the BMW 3 Series

If you are planning a comprehensive repair or upgrade of the side window zone in your BMW and need other elements from the same group, such as guide seals, window trims, or additional sealing profiles, check out the available parts in the BMW Car Windows category.

Selecting components from one functional group allows you to maintain the consistency of the window mechanism's operation, uniform seal pressure, and predictable body behavior in terms of acoustics and tightness.