1x Front Differential Carrier Assembly Fit BMW X3 F25 X4 F26 2011-18 31508635862

We use FedEx or DHL Express, the estimated delivery time is about 2-5 business days. We maintain complete quality control throughout the manufacturing process. 2\. Robust design and high-grade materials meet the stringent demands. 3\. Meets or exceeds OE specification for fit, finish and function. 4\. Stable performance and high reliability. 5\. Rigorously Dyno & Road Tested 6\. 2 Years Warranty **Package includes:** 1 X Front Axle Differential Assembly PaymentDelivery detailsReturn policyAbout usContact us Payment 1\. We charge extra shipping fee to Remote areas of USA. 2\. We do not ship to APO/FPO/PO Box . Your physical address is required. 3\. 4\. 5\. For International shipment, Buyer are responsible for the Import duty and tax and freight. Please be aware that the item you are about to buy is an international shipment, for which your country may charge custom fees and/or tax. These costs vary and have to be borne by the buyer. We offer free shipping for most of shipment of USA. In case of rejection of the shipment by the buyer because of refusing to clear customs, however, the shipping costs incurred have to be borne by the buyer and are non-refundable. 6\. If your parcel hasn’t arrived after the estimated delivery time, please contact us We will try our best to help. Once shipping company confirmed parcel has been lost, we will send you the new replacement or issue a full refund. Please note that shipping company need 10-14 business days to investigate the case . Please allow us have more time to handle your case, and please trust us that we will provide the perfect solution for you. Delivery details 1\. We charge extra shipping fee to Alaska, Hawaii and Puerto Rico. 2\. We do not ship to APO/FPO/PO Box. Your physical address is required. 3\. 4\. 5\. For International shipment, Buyer are responsible for the Import duty and tax and freight. 6\. If your parcel hasn’t arrived after the estimated delivery time, please contact us We will try our best to help. Once shipping company confirmed parcel has been lost, we will send you the new replacement or issue a full refund. Please note that shipping company need 10-14 business days to investigate the case. Please allow us have more time to handle your case, and please trust us that we will provide the perfect solution for you. Please be aware that the item you are about to buy is an international shipment, for which your country may charge custom fees and/or tax. These costs vary and have to be borne by the buyer. We offer free shipping for most of shipment of USA . In case of rejection of the shipment by the buyer because of refusing to clear customs, however, the shipping costs incurred have to be borne by the buyer and are non-refundable. Return policy ### Return We committed to provide good quality products to all our customers.  **We accept return or exchange within 30 days after purchase.** No hassle for refund and exchange, all we ask is that you send back the item in the same condition was received , brand new condition. Refund or exchange will be issued within 6 business days after we received the returned item and inspected it. Please keep in mind, you might need extra 2-7 business days for the refund to deposit in your account , it depends on your credit card company. If the item is installed or defective after 30 days, please check our warranty page. ### Warranty We offers a minimum one year warranty on all parts sold unless otherwise noted. We aim to provide the high quality auto parts and accessories, but some rare cases happened. We offer following options for warranty service: 1) If the item fails after installation. You may return the warranty item to us for a replacement. Buyer pays the shipping fee. This warranty applies to automotive parts only when the installation instructions are followed in their entirety. If instructions are not available the work should be performed by a licensed mechanic. 2) If we send you the wrong parts . You may pay a deposit and have a replacement item sent in advance. Then you may return the warranty item to us and your deposit will be refunded. We pay for the shipping within the continental USA. 3) Shipping Damage. We use UPS Ground, Fedex and USPS First class to ship all items . Buyer should check the parcel condition before sign the signature. Please refuse to sign the parcel if you noticed something wrong, and get a shipping damaged report from carrier. We will send you a replacement at the same day once you provide the shipping damage report . We won’t cover any lost if buyer don’t check the parcel condition before the signature. This warranty does not cover any expenses incurred in the removal and / or re-installation of the item. Specifically, this warranty does not cover any expenses for time, rental, or other parts not purchased from us, or any labor. This warranty does not apply, and will be voided, if the item sold has been damaged by abuse, misuse, accident, neglect, or alteration, or if it has been repaired by anyone . Your warranty will be null and void if the item fails due to improper installation or use. If the item sold should prove defective in material or workmanship within the warranty period, please contact us immediately. About us We offer Kinds of High Quality Auto Parts for Kinds of Brands at Competitive Prices and Excellent Services. If you need any parts, please just feel free to contact us. We are looking forward to your business. Contact us - 1\. We are here to help with any questions or problems you may have. During the working hours , we will reply all your messages promptly . **Some message sent after business hours will be replied within 12 hours.** We are off on the weekend, messaged we got on the weekend will be replied on coming Monday. - 2\. We greatly appreciate your POSITIVE feedback. Please do NOT leave negative or neutral feedback without asking for help. - 3\. We aim to provide Top Level Customer Service, we will try our best to solve the problem for you. - 5、Our remanufactured air struts are tested with the strictest OE standards, and it backed by two years Warranty. We reused OE shock to maintain OE active damping functionality. We rebuild this strut with new **air spring bladder**, new O-ring seal, new connectors, new CNC-machined aluminium upper and lower piston, wiring harness, air fittings, dust baffles and aluminium cans. We only use OE shock that passed the dyno test.

• Brand: speedy-auto-parts
• Manufacturer Part Number: 31507578154
• Interchange Part Number: 31507578154, 31508635863, 31507578153, 31508635862
• Type: Differential Assembly
• Fitment Type: Direct Replacement
• Placement on Vehicle: Front
• OE/OEM Part Number: 31507578154, 31508635863, 31507578153, 31508635862
• Gear Ratio: 3.38 RATIO
• Manufacturer Warranty: 2 Years
• Superseded Part Number: 31-50-8-635-863, 31-50-7-578-153, 31-50-7-578-154, 31-50-8-635-862
• Axle Type: Front Axle