BMW 51-70-3-400-815 Rear Seal

( Part Type: Seal ), ( Manufacturer Part Number: 51-70-3-400-815 ), ( Genuine Oem: Yes ), ( Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Year: 2004 2005 2006 2007 2008 2009 2010 ), ( Parts Included: Only Part Reference 3 On The Diagram Is Included )

Review BMW Genuine Rear Seal fits 2004–2010

The BMW 5 Series (E39), produced from 1995 to 2003, is a renowned executive car known for its dynamic performance and luxurious interior. One crucial component of this vehicle that often requires attention is the rear seal of the 51-70-3-400-815 transmission housing. This seal plays a vital role in preventing oil leaks, ensuring optimal transmission function, and maintaining the vehicle's overall health.

The BMW 51-70-3-400-815 rear seal is a precision-engineered part manufactured to meet the highest standards of quality and durability. Crafted from a robust, oil-resistant material, this seal effectively seals the transmission housing, preventing the transmission fluid from escaping. The seal's design is intricate and sophisticated, with multiple gaskets and sealing surfaces that work together to create a reliable and leak-free seal.

The BMW 51-70-3-400-815 rear seal is not only essential for maintaining the transmission's performance but also contributes to the vehicle's longevity. A worn or faulty seal can lead to a significant oil leak, which not only wastes transmission fluid but can also cause damage to other components if the oil level drops too low. Replacing the seal promptly when needed is crucial to avoid costly repairs and keep your BMW 5 Series running at its best.

Installing the BMW 51-70-3-400-815 rear seal is a task best left to professionals or experienced DIY mechanics. The process involves draining the transmission fluid, removing the transmission housing, and carefully installing the new seal. It is essential to use the correct sealant and follow the manufacturer's instructions to ensure a successful installation.

When shopping for a BMW 51-70-3-400-815 rear seal, it is important to choose a reputable supplier to guarantee the authenticity and quality of the part. Always check that the part number matches the one for your specific BMW 5 Series model and year. A high-quality, OEM (Original Equipment Manufacturer) seal is the best choice for ensuring a proper fit and reliable performance.

In conclusion, the BMW 51-70-3-400-815 rear seal is an essential component of your BMW 5 Series that requires regular attention. This seal plays a vital role in maintaining the transmission's performance, preventing oil leaks, and contributing to the vehicle's overall longevity. By choosing a high-quality, OEM BMW 51-70-3-400-815 rear seal and having it installed by a professional, you can ensure optimal transmission function and keep your BMW 5 Series running at its best.

1. Improved reliability: A new rear seal can help prevent leaks from the differential or transmission, which can save you money in the long run by avoiding costly repairs.

2. Enhanced performance: A leaking rear seal can affect the performance of your BMW by causing a loss of power and reducing fuel efficiency. A new seal can help restore optimal performance.

3. Peace of mind: Knowing that your vehicle's rear seal is in good condition can give you peace of mind and confidence in your BMW's reliability.

1. Cost: Replacing a rear seal can be an expensive repair, with labor and parts costs varying depending on the shop and the specific model year and condition of your BMW.

2. Time: The repair process can take several hours, depending on the shop's workload and the complexity of the job.

3. Availability: Finding the right rear seal for your specific BMW model and year can be a challenge, as there are many different variants and some may be harder to come by than others.

Ultimately, whether or not to buy a BMW 5 Series (E39) rear seal depends on your priorities and budget. If you value reliability, performance, and peace of mind, and if the cost is not a significant barrier, then replacing the rear seal may be a worthwhile investment. However, if you are on a tight budget or prefer to save up for larger repairs, you may want to consider delaying the replacement until it becomes absolutely necessary.

If you do decide to replace the rear seal, it is recommended to have the work done by a qualified BMW mechanic to ensure a proper installation and to minimize the risk of any potential issues down the line. Additionally, it may be worth considering purchasing an extended warranty or service contract to help offset the cost of the repair and provide additional protection for your investment in your BMW.

Details:

Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. We proudly support BMW drivers, independent repair facilities, and DIY enthusiasts throughout the Chicago land area across country. Accurate fitment for all BMW model's. Parts must be resalable and in the original packaging.

Electrical parts are not returnable. Product Genuine BMW Rear Seal 51-70-3-400-815.

part #: 51703400815 prices

• $32.89-$36.69

specifications stoochseals:

• for makes: Bmw
• for years: 2004-2010
• part type: Seal
• manufacturer part number: 51-70-3-400-815
• genuine oem: Yes
• warranty: 1 Year
• fitment type: Direct Replacement
• year: 2004 2005 2006 2007 2008 2009 2010
• parts included: Only Part Reference 3 On The Diagram Is Included

shipping stoochseals:

• transit: 4-11 Days
• class: Standard, Expedited, One-day
• service: UPS Ground, UPS 2nd Day Air, UPS Next Day Air Saver
• cost: $0.00
• carrier: UPS
• type: Fixed

seller stoochseals:

• city: Elmhurst, Illinois
• # reviews: 0
• rating: 0.0%

offer stoochseals:

• sold: 0
• options: Ship-to-home
• availability: In Stock
• started: December 18, 2025
• quantity: 2

payments stoochseals:

• credit card: Visa
• other
• wallet: Paypal

general stoochseals:

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

returns stoochseals:

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

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