BMW 51-21-7-312-984 Upper Weather Strip

( Part Type: Strip ), ( Manufacturer Part Number: 51-21-7-312-984 ), ( Genuine Oem: Yes ), ( Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Year: 2014 2015 2016 2017 2019 2020 ), ( Parts Included: Only Part Reference 10 On The Diagram Is Included ), ( Replaces Part Number: 51-76-4-827-100 )

Review BMW Genuine Upper Weather strip fits 2014–2020

BMW 5 Series (E12) Upper Weather Strip (Part Number: 51-21-7-312-984)

The BMW 5 Series (E12) Upper Weather Strip, identified by the part number 51-21-7-312-984, is an essential component designed to provide a watertight and airtight seal between the body and the exterior glass surfaces of your BMW 5 Series vehicle. This weather strip is specifically engineered for the E12 generation models, produced between 1972 and 1981.

Constructed from high-quality, weather-resistant materials, this upper weather strip ensures that your BMW retains its original sealing properties. Over time, weather strips may degrade or wear out due to constant exposure to the elements, resulting in uncomfortable drafts, increased noise levels, and potential water leaks. Replacing your worn-out weather strip with a new BMW Original part, such as 51-21-7-312-984, ensures a perfect fit and optimal performance.

The upper weather strip is designed as a continuous seal, running along the upper edge of the doors and the windshield. Its flexible yet robust construction enables it to effectively seal the gaps between the glass and the bodywork, preventing water and air from entering the cabin. Additionally, the upper weather strip contributes to the overall aesthetic appearance of your BMW 5 Series, maintaining its sleek and refined profile.

Installing the BMW 5 Series (E12) Upper Weather Strip is a straightforward process, typically taking about an hour for an average DIY enthusiast. However, if you prefer, you can also entrust the installation to a certified BMW service center to ensure a professional fit and optimal performance.

By investing in a genuine BMW Original part like 51-21-7-312-984, you not only restore the functionality and comfort of your vehicle but also preserve its value and authenticity. This weather strip is a testament to BMW's commitment to providing high-quality, long-lasting components tailored to meet the exacting standards of their vehicles.

Buying a BMW 51-21-1-7-312-984 upper weather strip involves considering both its advantages and disadvantages to determine if it's a worthwhile investment for your vehicle. Here are some potential pros and cons:

1. Improved Sealing: A new upper weather strip can help prevent water from entering your BMW's cabin, keeping it dry and free from moisture damage. This can also help reduce the risk of rust forming on the car's body.

2. Enhanced Comfort: A worn-out or damaged weather strip can cause unwanted noise and drafts while driving. Replacing it with a new one can help improve the overall comfort and driving experience.

3. Increased Resale Value: Replacing worn-out weather strips with new ones can help maintain the appearance and value of your BMW.

1. Cost: BMW original equipment (OEM) parts like the upper weather strip can be expensive compared to aftermarket alternatives. This cost may not be justified for some vehicle owners, especially if their BMW is an older model or has significant wear and tear in other areas.

2. Availability: Depending on the specific BMW model and year, it may be challenging to find a new upper weather strip from a dealership or parts supplier. In such cases, aftermarket options may need to be considered.

3. DIY Installation: Installing an upper weather strip can be a time-consuming and challenging process for some individuals, especially if they lack experience with car repairs. Hiring a professional mechanic to do the installation can add to the overall cost.

In conclusion, replacing a worn-out BMW upper weather strip can offer several benefits, including improved sealing, enhanced comfort, and increased resale value. However, the high cost and potential difficulty in obtaining a new OEM part may make aftermarket alternatives or a DIY installation a more viable option for some vehicle owners. Ultimately, the decision to purchase a new upper weather strip depends on the specific circumstances of the vehicle, the owner's budget, and their preference for OEM or aftermarket parts.

If you are considering purchasing a new BMW upper weather strip, it is important to weigh the potential benefits against the costs and availability of the part. You may want to explore aftermarket alternatives or consider a DIY installation to save on costs. Additionally, you may want to assess the condition of other parts on your BMW and prioritize repairs based on their impact on the overall driving experience and safety of the vehicle.

Details:

Parts must be resalable and in the original packaging. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Genuine BMW Parts. Electrical parts are not returnable.

part #: 51217312984 prices

• $136.80-$180.31

specifications stoochseals:

• for makes: Bmw
• for years: 2014-2020
• part type: Strip
• manufacturer part number: 51-21-7-312-984
• genuine oem: Yes
• warranty: 1 Year
• fitment type: Direct Replacement
• year: 2014 2015 2016 2017 2019 2020
• parts included: Only Part Reference 10 On The Diagram Is Included
• replaces part number: 51-76-4-827-100

shipping stoochseals:

• cost: $0.00
• transit: 3-7 Days
• type: Fixed
• class: Standard, Expedited, One-day
• service: Standard, Expedited, Overnight

returns stoochseals:

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

offer stoochseals:

• sold: 0
• quantity: 1
• options: Ship-to-home
• availability: In Stock
• started: November 17, 2025

seller stoochseals:

• rating: 99.5%
• city: Glendale, Arizona
• # reviews: 724

payments stoochseals:

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

general stoochseals:

• Exterior Parts Accessories > doors, Trunk Lids Hatches > Door Seals
• condition: New

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