⚙️ Parts description
• 2014-2018 BMW N55 X5 X6 435i 535i 640i ENGINE COMPUTER ECU ECM PCM 8665279
🔧 Fitment & Compatibility
• It is the buyer’s responsibility to confirm the part will fit their specific vehicle.
• We provide donor vehicle details in the description to help with compatibility checks. We recommend verifying with your dealer or trusted source before purchase.
• Always check the part number, photos, and description carefully against your existing part before ordering.
• ’s “Compatibility Chart” is not always reliable—do not rely on it alone.
• We do not guarantee exact color matches. If you need a specific color, please ask before buying. Refunds will not be given for color differences.
• Note: “Right side” = passenger side, “Left side” = driver side.
📝 Condition
• All parts are used unless noted as new. Expect normal wear consistent with age and use.
• Any major damage or defects will be described and shown in photos.
• What you see in the pictures is exactly what you will receive—no extra accessories or hardware are included unless stated.
• Electronic components may require reprogramming or coding to fit your vehicle.
• Buyers should review photos and description carefully to confirm condition before purchase.
📦 Shipping
• We use FedEx, UPS, USPS, A.G., and regional freight/LTL carriers for deliveries.
• Oversized items such as hoods, bumpers, doors, engines, and transmissions are shipped by freight. These must go to a commercial address with dock or forklift access. If shipping to a residence or requiring a liftgate, extra charges may apply.
• Small/non-freight items are shipped within one business day after payment is received. Items paid for on weekends or holidays will ship on the next business day.
• Freight shipments may require up to three business days for processing.
• Free shipping (when offered) applies only to the continental U.S. Buyers in Alaska, Hawaii, or U.S. territories must request a shipping quote before purchase.
• International orders are handled through ’s Global Shipping Program.
• Please make sure your shipping address is correct at checkout—we cannot change it afterward.
• Local pickup is available upon request.
💳 Payment
• Payments are processed securely through Managed Payments.
• Orders must be paid within 3 business days. Unpaid orders may be canceled and the item relisted.
• Sales tax is automatically applied by when required by law.
🗓️ Warranty & Returns
• We accept returns within 30 days of receiving your item, regardless of the reason.
• Returns for reasons other than product defects will incur a 25% restocking fee.
• Please confirm the correct fitment before purchase. The "compatibility" details shown on are automatically generated by Motors, not by us. If you're unsure about fitment, reach out to us before buying.
📩 Contact Us
• If you have questions about any listing, please reach out to us through messages before placing your order.
• Double-check fitment on your own prior to purchase. Since the compatibility chart is provided by Motors, we recommend contacting us if you have any doubts.
• Once you receive your order and are satisfied, we would appreciate positive response. If you experience any issues, please contact us before leaving neutral or negative response so we can work with you to resolve the problem quickly.
