Engine Overhaul Pistons Bearings Seals Kit for BMW X5 X6 M E70 E71 4.4T S63B44A
- Regular price
- $ 998
✅ Fast & Free Delivery in Most Countries
(Excludes remote islands)
✅ Premium Aftermarket Parts – In Stock
✅ Bulk Discounts Available – Contact Us
- Regular price
- $ 998
Engine Rebuild Rebuilding Overhaul Seals Gasket Kit for BMW X5 X6 M E70 E71 M Power S63B44A 4.4L V8 Twin Turbo
Please send 17-digit VIN to us or confirm your original part number before order.
Pistons & Rings OE#:
11 25 7 598 207
11 25 7 556 955
11 25 7 574 822
Pistons & Rings Spec:
- STD 0.00 spec (no fit cylinder expand)
- Cylinder bore Φ89.00mm
- Wrist Diameter Φ22mm
- Wrist Length 64mm
Bearing Shell OE#:
11 21 7 576 757
11 21 7 576 766
11 21 7 576 760
11 21 7 576 763
11 24 7 548 795
11 24 7 544 648
Seals & Gasket Kit OE#:
11 12 8 008 122
11 12 7 566 288
11 12 7 566 289
11 13 7 566 644
11 13 7 566 808
11 14 7 647 381
11 14 7 583 221
ELRING: 034.550
ELRING: 451.680
ELRING: 451.740
ELRING: 396.733
ELRING: 396.760
VICTOR REINZ: 61-10127-00
VICTOR REINZ: 71-10179-00
VICTOR REINZ: 71-10180-00
VICTOR REINZ: 71-10177-00
VICTOR REINZ: 71-10305-00
Package Includes:
Pistons & Rings x1set
Overhaul Gakset x1set
Main & Conrod Bearing x1set

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.
Frequently Asked Questions
Q1: How can I be sure this part is compatible with my machine?
Q2: When will my order be shipped?
Q3: How long does delivery take to my country?
- 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
Q4: What is the Warranty and Return Policy?
Q5: What should I consider before installation?
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.
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.
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.
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.
Need help with Part Identification? Contact us at: info@beespareparts.com
Flexible Payment Options
Shop securely using PayPal, VISA, MasterCard, and other secure payment ways at checkout. Your financial information is encrypted and never stored.
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.
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.
Human Expert Support
No chatbots. Talk to real parts specialists via WhatsApp or Email. We provide technical answers, not just automated replies.
Trusted Shipping Partners