Fits 2014-2018 BMW X5 xDrive40e X6 xDrive35i 3.0L Rear Differential 3.15 Ratio
Description

⚠️ Pre-Purchase & Professional Installation Notice

This front differential assembly requires complex drivetrain disassembly and precise setup work. Professional installation by a certified BMW repair shop is mandatory. Amateur DIY fitting will lead to premature internal gear failure, loud driveline noise and costly drivetrain damage.
Reach out to our support team to confirm perfect fitment before completing your order.
If you are uncertain this differential matches your vehicle, send us your full 17-digit VIN (Vehicle Identification Number) for a free compatibility verification. For any product questions or technical concerns, message us via eBay Messages during business hours — we reply quickly to resolve all inquiries. Thank you for your trust and support.

🔎 Cross Reference OEM Part Numbers

All listed codes reference the identical front differential unit and are fully interchangeable:
7636992
7 636 992
33107636992
33 10 7 636 992

🚙 Full Vehicle Compatibility List

This remanufactured front differential is engineered as a direct OEM replacement for the following BMW X5 / X5 F15 & X6 F16 models:

BMW X5 F15

  • 2014 X5 xDrive35d / xDrive35i (3.0L Inline-6 Diesel / Gas)
  • 2015 X5 xDrive35d / xDrive35i (3.0L Inline-6 Diesel / Gas)
  • 2016 X5 xDrive35d / xDrive35i / xDrive40e (2.0L Hybrid Gas / 3.0L Inline-6 Diesel & Gas)
  • 2017 X5 xDrive35d / xDrive35i / xDrive40e (2.0L Hybrid Gas / 3.0L Inline-6 Diesel & Gas)
  • 2018 X5 xDrive35d / xDrive35i / xDrive40e (2.0L Hybrid Gas / 3.0L Inline-6 Diesel & Gas)

BMW X6 F16

  • 2014 N/A
  • 2015 X6 sDrive35i / xDrive35i (3.0L Inline-6 Gas)
  • 2016 X6 sDrive35i / xDrive35i (3.0L Inline-6 Gas)
  • 2017 X6 sDrive35i / xDrive35i (3.0L Inline-6 Gas)
  • 2018 X6 sDrive35i / xDrive35i (3.0L Inline-6 Gas)
  • 2019 X6 sDrive35i / xDrive35i (3.0L Inline-6 Gas)

📌 Critical Lubrication Warning (Must Read Before Installation)

  1. This differential ships with only a minimal amount of protective gear oil inside to prevent internal rust and corrosion during transit.
  2. You **must fully refill the unit with the correct OEM-specified gear oil before installing it onto your vehicle. Running the differential low on oil will create severe gear whine, metal scoring, and permanent catastrophic internal damage.
  3. Approved lubricants only: 75W90 or 80W90 GL-5 gear oil.
  4. DO NOT use automatic transmission fluid, CVT fluid, valve body oil, engine oil or any other substitute fluid. Incorrect fluid will void all fitment and damage coverage.
  5. Full drivetrain inspection is required prior to installation. All worn CV axles, transfer case seals, bushings and worn driveline hardware should be replaced at the same time to extend the service life of your new differential assembly.

🛠 Product Condition & Core Advantages

Condition: Fully Remanufactured Differential Assembly

This is not a used, unrefurbished core unit. Every remanufactured differential undergoes a strict multi-stage rebuild process:
✅ All worn bearings, pinion gears, ring gears and seals are fully replaced with OEM-spec matching components
✅ Complete internal cleaning to remove factory sludge, metal shavings and old degraded lubricant
✅ Precision backlash and preload adjustment on all gear sets for quiet, smooth operation
✅ Full pressure leak testing to eliminate oil seepage and driveline fluid loss
✅ Final bench run-in testing to validate zero abnormal noise under simulated load

Key Benefits

  1. OEM Exact Fitment
    Matches all factory mounting points, axle flanges and bolt hole layouts for a bolt-on swap without custom machining or modifications.
  2. Cost-Effective Alternative to Brand-New OEM Units
    Professional remanufacturing delivers near-factory reliability at a fraction of dealership new differential pricing.
  3. Optimized Driveline Performance
    Eliminates common factory failure symptoms including loud gear whine during acceleration/deceleration, fluid leaks, shudder during all-wheel-drive engagement and metal-on-metal grinding noises.
  4. Heavy-Duty Sealing Components
    Upgraded high-temperature rubber seals resist oil breakdown, highway heat and seasonal temperature swings to prevent slow drips.
  5. Fully Tested Before Shipment
    Every finished differential passes noise, leak and load testing to guarantee consistent, stable performance out of the box.

Buyer Important Reminders

  • VIN verification prior to checkout is highly recommended. Returns for mismatched differentials ordered without pre-order fitment confirmation will be responsible for all outbound and return shipping charges.
  • Professional shop labor is required for proper preload adjustment, gear oil filling and post-install road testing. Damage caused by DIY improper installation or wrong lubricant is not eligible for refunds or exchanges.
  • This front differential is designed exclusively for the listed gasoline, diesel and hybrid xDrive/sDrive models above; it will not fit M-series, V8 or rear-wheel-drive only variants outside the listed applications.

1.We suggest that ask professional to install products and contact us when installing issue happened. We are not responsible for installing or uninstalling.

2.If there is any problem with the product quality, please contact us first before you opened the return, we will try our best to solve all problems for you.

3.The returning item should be in it's original packaging and assure all parts included .

Attention:Any problems please contact us at any time before leaving a negative/neutral feedback and opening the return request. Many thanks to you."
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On Jun 14, 2026 at 23:17:59 PDT, seller added the following information:

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