6Pcs Piston Rings Set Φ84mm STD For BMW 323i 328i 523i 528i Z3 Defender E34 E36 E38 E39 E46 M50B25 M52B25 M52B28 2.5 2.8 L6 256S1 256S3 256S4 286S1  

Send Vin number before order    

OE# 11 25 1 437 077  

Replacement OE# 11 25 1 738 736    

Description - Cylinder bore Φ84.00mm (STD) - Ring thickness 1.5mm / 1.5mm / 2.0mm   - Fit BMW M50B25 / M52B25 2.5L (2494cc) L6 Naturally aspirated   - Fit BMW M52B28 2.8L (2793cc) L6 Naturally aspirated  

Package includes Piston Ring x 6cyl    

Fit Car Model  

Brand & Model Produce Year Fit Model
BMW    
323i / 323Ci / 323ti 1995-2000 E36 E46
325i 1990-1995 E36
328i / 328Ci 1995-2000 E36 E46
523i 1995-2000 E39
525i 1990-1996 E34
528i 1995-2000 E39
728i / 728iL 1995-2001 E38
Z3 2.5 1998-2000 E36
Z3 2.8i 1996-2000 E36
     
Land Rover    
Defender 2.8 1998-2003 L316
     
     


 

Key Features:

  • Direct-fit replacement: No modification required for installation.
  • Stable operation: Ensures consistent performance under standard conditions.
  • Heavy-duty design: Engineered to support reliable service life.
  • Maintenance solution: Practical replacement part for equipment repair.

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Frequently Asked Questions

Q1: How can I be sure this part is compatible with my machine?

We provide compatibility information based on OEM Part Numbers. To ensure a 1:1 fit, please check that your original part number matches the one listed on this page.

Q2: When will my order be shipped?

Most in-stock orders are processed and shipped within 1-3 business days. All parts undergo a strict quality inspection and are protected by heavy-duty packaging (vacuum seals or reinforced crates).

Q3: How long does delivery take to my country?

Estimated delivery times via DHL/FEDEX/UPS:
  • United States: 3 - 10 Business Days
  • European Union: 5 - 12 Business Days
  • Canada / UK / AU: 5 - 15 Business Days
  • Rest of World: 7 - 20 Business Days
Note: Delivery may be affected by weather or customs. In case of significant delays, we will notify you proactively.

Q4: What is the Warranty and Return Policy?

We offer a 6-Month Warranty on our hydraulic components. We also support a 30-day return policy if the part is uninstalled and in its original packaging.

Q5: What should I consider before installation?

We recommend installation by a certified technician. Always ensure the hydraulic system is flushed and filters are replaced before installing new parts to prevent premature failure.

Q6: Need Fitment Verification?

Avoid costly downtime! Send us your Machine Serial Number (VIN) or a photo of your Old Part's Nameplate. Our engineers will verify the fitment for you within 24 hours.

Verify My Part Now →

Why Choose BeeSpareParts?

⚙️

OEM Standard Compatibility

All components are designed to meet original equipment standards, ensuring a reliable fit and proper function as a direct replacement for your machinery.

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Rigorous Quality Inspection

Each part undergoes a series of quality checks before being added to our inventory, minimizing the risk of defects and ensuring steady performance.

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6-Month Support Warranty

We provide a straightforward 6-month warranty. If any issues arise within the warranty period, our technical team is here to provide efficient solutions.

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2-3 Business Day Processing

We prioritize order accuracy. Most in-stock items are processed and dispatched within 2-3 business days with reliable international carriers.

Technical Support

Need help with Part Identification? Contact us at: info@beespareparts.com

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Flexible Payment Options

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Easy Return Policy

Received a damaged or incorrect part? No worries. We offer a 30-day return window for unused parts in original packaging. We prioritize your satisfaction.

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Real Part Photos

What you see is what you get. Most of our product photos are taken in our own warehouse, reflecting the actual quality of the components.

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Human Expert Support

No chatbots. Talk to real parts specialists via WhatsApp or Email. We provide technical answers, not just automated replies.

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