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Dynepro® Pro Series Master Engine Rebuild Kit
Item Included:
Pistons & Rings & Pins x8
Vehicle Application
For 2010-2013 BMW X5 4.4L GAS Turbocharged
For 2010-2014 BMW X6 4.4L GAS Turbocharged
Note: VIN confirmation required.
OE#11 25 7 598 20711 25 7 556 95511 25 7 574 822Replacement OE#11 25 7 593 47511 25 7 574 82311 25 8 607 93311 25 8 092 93111 25 8 747 752- STD 0.00 spec (no fit cylinder expand)- Cylinder bore Φ89.00mm - Wrist Diameter Φ22mm- Wrist Length 64mm- Ring thickness 1st 1.5mm / 2nd 1.5mm / 3rd 2.0mm- Fit S63B44 / S63B44TU 4.4L (4395cc) V8 Twin Turbo EngineFor BMW OEM Spec Certified Engine Repair Kit
Precision Fit · Durability as New
⭕ Aluminum Piston Kit
Crafted from Al-Si18 cast aluminum alloy with nano-level mirror honing technology, reducing friction by 30%. Embedded copper cooling channels lower peak temps by 15%, ideal for aggressive driving , 3x lifespan.
⭕ Cylinder Gasket Set
Five-layer composite structure:
0.1mm stainless steel liner (resists high-pressure deformation)
Aramid fiber sealing layer (withstands 350°C continuous thermal shock)
Graphite coating (self-adapting micro-gap filling)
Passed 100,000 thermal cycling tests for factory-grade sealing.
⭕ Built For:
✔️ Overhauls for oil burning/coolant leaks (OEM sealing restored)
✔️ 200,000km+ preventive maintenance (full bolt/rings refresh)
✔️ Timing system replacements (N63/S63/B44/B30 engines, includes laser alignment tools)
⭕ For BMW OEM Spec DNA:
✔️ 100% compliant with BMW GS 90000 specs
✔️ Landshut Factory production line
Shop Now >> Enter model/year for custom repair plans
Restore factory power, drive like new.
⚠️ Non-genuine risks:
Cheap pistons: Cylinder scoring from thermal mismatch.
Low-quality gaskets: High-risk blowouts.
✅ Genuine advantage: Materials, tolerances, and heat treatment match BMW production standards.
Tech Support: Email us (Provide VIN for tailored parts list)
About usFQAShippingAfter-Sales SupportContact us
DynePro® is a U.S.-based engine repair brand committed to making engine maintenance accessible and efficient. We specialize in high-quality repair kits, supported by leading manufacturers and a skilled team with expertise in automotive data and customer support. Our focus on quality, ease of installation, and expert after-sales service empowers our customers to handle engine repairs with confidence and precision. Choose DynePro for professional-grade solutions that deliver reliability and peace of mind.
1. What products does DynePro offer?
DynePro specializes in high-quality engine repair kits and aftermarket parts. Our product range includes essential engine components like connecting rods, valves, camshafts, cylinder heads, engine blocks, pistons, and more. We offer comprehensive engine rebuild kits, performance-enhancing parts, and specialized tools designed to make engine maintenance and repairs easier.
2. Are your engine parts new?
Yes. Our parts are guaranteed to be brand new, zero-mile, unused, and crate engine parts. While some parts may occasionally be rebuilt, we ensure all parts meet the highest standards and are in new condition for your engine repairs.
3. How to Find Your Part?
To ensure compatibility, simply send us your Vehicle Identification Number (VIN), and our team will reply with the corresponding parts link for your vehicle. You can also find parts by vehicle model through our website’s compatibility feature.
4. Are your products compatible with my vehicle?
Our products are designed to fit a wide range of vehicle models, including American, Japanese, Korean and German cars brands. For compatibility, check the product description on our website or contact us with your vehicle's details, and we will guide you to the right parts.
5. Do you offer international shipping?
Yes, we offer international shipping to most countries. If you'relocated in a region not supported by our standard shipping options, please contact us directly for a custom shipping quote.
6. What should I do if I receive a damaged or incorrect item?
If you receive an item that is damaged or incorrect, please contact us immediately. We will assist you with a return and provide either a full refund or a replacement. For faster processing, please keep all packaging and send us clear photos of the damaged product.
7. Do you provide installation guides and torque specifications?
Yes, we provide installation guides for all our products. These guides include step-by-step instructions, as well as the necessary torque data to ensure proper installation. Simply refer to the product page for the downloadable instructions or contact us for assistance.
8. Still have questions?
If you have any additional questions, feel free to contact us anytime. Our dedicated team is here to assist you with all your needs!
Orders from Chinese Warehouse
Once payment is confirmed, we’ll ship from our China warehouse based on the handling time for in-stock items, which generally takes 2-10 business days. Shipments are sent via DHL or UPS, with an estimated delivery time of 3-7 business days.
Orders from U.S. Warehouse
Orders from our U.S. warehouse will be shipped within one business day after payment is received. If an order is placed before 10:00 AM PST on a business day, it will usually ship the same day. All U.S. shipments are sent via UPS or FedEx with a tracking number, and delivery is typically within 3-7 business days. Important Details
The listed shipping fees apply only to the 48 contiguous U.S. states.
For customers in Guam, Puerto Rico, Northern Mariana Islands, the Virgin Islands, the Marshall Islands, Alaska, or Hawaii, please reach out for an accurate shipping quote. We currently do not ship to P.O. boxes, APO/FPO addresses, or military mailboxes. For security, we only ship to addresses confirmed by PayPal, so please double-check your address before completing checkout.
Warranty and Return Policy 30-Day Free Returns and Refunds
We offer a 30-day satisfaction guarantee on all purchases. If you are notcompletely satisfied with your product, you may return it in its originalpackaging within 30 days for a full refund, without any restocking fees. Please note that the buyer is responsible for return shipping costs.
For any warranty claim or return, please contact us first to receive an Item Warranty Claim Form or a Return Merchandise Authorization (RMA) number. Each RMA number is unique to your individual claim and is required for processing any return. Returns without a valid RMA number will be refused upon delivery.
1-Year Unlimited Mileage Quality Warranty
Our products come with a 1-year quality warranty, with no mileage limits. If you receive an item that is incorrect, defective, or damaged, we will cover the return shipping costs and offer a full refund or replacement, including the original shipping cost. Return shipping must initially be paid by the buyer, and we will reimburse this cost once the defect is verified.
Warranty Coverage
This warranty covers the cost of the item itself and excludes labor, installation, towing, additional repair charges, and any incidental costs associated with replacement or repair.
Additional Terms
All return shipping charges must be prepaid by the customer. Returns sent with collect or on-delivery charges will be refused. Please allow up to five business days for claim processing, as reviews may involve departments in both the U.S. and our corporate team.
Electronics, such as ECUs, sensors, and wiring harnesses, are non-refundable unless otherwise noted. Once opened or tampered with, these items are no longer refundable.
For mistaken purchases or items no longer needed, refunds will exclude shipping charges and may incur a 20% restocking fee if the item is undamaged.
For complete warranty details, please refer to our dedicated warranty section. Our customer support team is available to assist you throughout the process.
Please feel free to reach out to us during our business hours:
Online Support Hours： Tuesday to Saturday, from 4 PM to 12 AM (Pacific Time)
Customer Service Center： Monday through Sunday
Our warehouse operates Monday to Friday, though we currently do not offer a pickup service.
If you have any questions, simply leave us a message using the "Ask a Question" feature at the bottom of our website. One of our sales representatives will get back to you within a few hours.
For urgent inquiries, please email us directly at our official email: service dyneproengine.com
