33 Drivetrain parts are listed for the 2021 BMW X5, in 12 part types, covering all 3 engine options (3.0L L6 ELECTRIC/GAS Turbocharged, 3.0L L6 Turbocharged and 4.4L V8 Turbocharged). Each one has a brand, a manufacturer part number and notes that say where it fits.
The drivetrain system on the 2021 BMW X5 moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. The largest groups are Drive Shaft (7 parts), Axle Shaft Seal (4 parts) and CV Axle (4 parts). The other 9 part types cover the remaining 18 parts.
The 2021 BMW X5 was sold with 3 engines. 22 parts fit every engine; the other 11 are engine-specific. Each part shows which engine(s) it fits.
11 brands supply drivetrain parts for the 2021 BMW X5, led by REIN (6 parts), TIMKEN (5 parts) and VAICO (5 parts), plus 8 more brands.
Each part number listed for the 2021 BMW X5 opens a page with every vehicle that part fits.
Axle Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN Fits: all 2021 X5 engines | HWB1067 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Frontwith Spring, 16x1.5x72mm | View on Amazon |
This table covers the Axle bolts.
One part is listed for the 2021 BMW X5 — REIN HWB1067.
Axle Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 3.0L L6 ELECTRIC/GAS Turbocharged, 3.0L L6 Turbocharged | 12021750 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rearwithout M Sport Differential | View on Amazon |
| TIMKEN Fits: all 2021 X5 engines | SL260162 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
| TIMKEN Fits: all 2021 X5 engines | SL260496 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | View on Amazon |
| TIMKEN Fits: 3.0L L6 Turbocharged | SL260472 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RearxDrive40i | View on Amazon |
This table covers the seals where an axle shaft exits the housing. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
4 Axle Shaft Seal parts are listed for the 2021 BMW X5, from TIMKEN and AJUSA. 2 parts fit every engine; the other 2 are engine-specific.
Part numbers include AJUSA 12021750, TIMKEN SL260162 and TIMKEN SL260496, among others listed above.
CV Axle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GSP Fits: all 2021 X5 engines | NCV27116 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right | View on Amazon |
| GSP Fits: all 2021 X5 engines | NCV27117 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left | View on Amazon |
| TOP NOTCH Fits: all 2021 X5 engines | TN10079 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right | View on Amazon |
| TOP NOTCH Fits: all 2021 X5 engines | TN10080 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left | View on Amazon |
This table covers the complete CV axle shafts from differential (or hub) to wheel. Typical signs include a click in tight turns, grease flung around the wheel well, or a vibration that builds with speed. A torn boot caught early is a boot kit; caught late it is the whole axle. Torque the axle nut to the method in the notes.
4 CV Axle parts are listed for the 2021 BMW X5, from GSP and TOP NOTCH. All of them fit every engine offered in the 2021 X5.
Part numbers include GSP NCV27116, GSP NCV27117 and TOP NOTCH TN10079, among others listed above.
Differential Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: all 2021 X5 engines | 16031150 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | FrontCover O-Ring | View on Amazon |
This table covers the gaskets that seal the Differential Cover. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
One part is listed for the 2021 BMW X5 — AJUSA 16031150.
Differential Fill / Drain Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN Fits: all 2021 X5 engines | HWP0065 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Rear DifferentialM22X1.5, Steel | View on Amazon |
| REIN Fits: all 2021 X5 engines | HWU0065 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Rear DifferentialM22X1.5, Aluminum | View on Amazon |
This table covers the Differential Fill drain plugs.
REIN supplies both parts for the 2021 BMW X5. All of them fit every engine offered in the 2021 X5.
Part numbers include REIN HWP0065 and REIN HWU0065.
Differential Pinion Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 3.0L L6 ELECTRIC/GAS Turbocharged, 3.0L L6 Turbocharged | 12005350 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear45 x 75 x 10 mm, without M Sport Differential | View on Amazon |
| AJUSA Fits: all 2021 X5 engines | 12015650 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front44x69x10/15mm | View on Amazon |
| TIMKEN Fits: all 2021 X5 engines | SL260487 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
| TIMKEN Fits: all 2021 X5 engines | SL260527 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | View on Amazon |
This table covers the seals at the differential pinion yoke. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
4 Differential Pinion Seal parts are listed for the 2021 BMW X5, from AJUSA and TIMKEN. 3 parts fit every engine; the other 1 is engine-specific.
This group includes AJUSA 12005350, AJUSA 12015650 and TIMKEN SL260487 and the remaining parts above.
Differential Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: all 2021 X5 engines | 729370 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Height [MM]: 10Swirl Type: Right-hand Twist | View on Amazon |
| ELRING Fits: all 2021 X5 engines | 761160 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Material: ACM (Polyacrylate)Radial Shaft Seal Design: AS | View on Amazon |
| ELRING Fits: all 2021 X5 engines | B16790 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Material: AEM (Ethylene Acrylate Rubber)Swirl Type: Alternating Twist | View on Amazon |
| ELRING Fits: 3.0L L6 Turbocharged | B46610 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Material: ACM (Polyacrylate)Radial Shaft Seal Design: AwithBS2 | View on Amazon |
This table covers the seals at the Differential. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
4 Differential Seal parts for the 2021 BMW X5 come from ELRING. 3 parts fit every engine; the other 1 is engine-specific.
Listed part numbers: ELRING 729370, ELRING 761160 and ELRING B16790, plus the other parts above.
Drive Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 3.0L L6 ELECTRIC/GAS Turbocharged, 3.0L L6 Turbocharged | 986995 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Length: 54.25" | View on Amazon |
| VAICO Fits: all 2021 X5 engines | V204444 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Description: Front Axle | View on Amazon |
| VAICO Fits: 3.0L L6 ELECTRIC/GAS Turbocharged, 3.0L L6 Turbocharged | V204437 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Left | View on Amazon |
| VAICO Fits: 3.0L L6 ELECTRIC/GAS Turbocharged, 3.0L L6 Turbocharged | V204438 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Right | View on Amazon |
| VAICO Fits: 3.0L L6 Turbocharged | V204452 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | XDRIVE40Iwithout Sport Differential or Towing Package | View on Amazon |
| VAICO Fits: 3.0L L6 Turbocharged | V204453 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | XDRIVE40Iwithout Sport Differential or Towing Package | View on Amazon |
| WJB / INMOTION PARTS Fits: 3.0L L6 ELECTRIC/GAS Turbocharged | WDS86995 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rearwithout HYBRID | View on Amazon |
This table covers the driveshafts that carry torque from the transmission or transfer case.
7 Drive Shaft parts for the 2021 BMW X5 come from 3 brands — VAICO, DORMAN and WJB / INMOTION PARTS. 1 part fits every engine; the other 6 are engine-specific.
Part numbers include DORMAN 986995, VAICO V204444 and VAICO V204437, among others listed above.
Drive Shaft Flex Joint
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AAE Fits: 4.4L V8 Turbocharged | FJC0118 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | M Competition or M Model | View on Amazon |
This table covers the flex joints in the driveshaft.
One part is listed for the 2021 BMW X5 — AAE FJC0118.
Gear Oil
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Fits: all 2021 X5 engines | 915052 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-85 Gear Oil1 Gallon | View on Amazon |
| VALVOLINE Fits: all 2021 X5 engines | 915053 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-85 Gear Oil1 Quart Flex Fill | View on Amazon |
This table covers the gear oils specified for the axle or transfer case. Typical signs include a low-oil lamp, knocking, or oil that has gone thin before the next interval. Match the viscosity and spec in the notes, not just the weight on the bottle.
VALVOLINE supplies both parts for the 2021 BMW X5. All of them fit every engine offered in the 2021 X5.
This group includes VALVOLINE 915052 and VALVOLINE 915053.
Transfer Case Fluid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN Fits: all 2021 X5 engines | FLDF005 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | TF08701 Liter | View on Amazon |
This table covers the fluids specified for the transfer case. Typical signs include discolored fluid, a burnt smell, or a level that keeps dropping. Use only the specification in the notes — the tables group grades because they are not interchangeable.
One part is listed for the 2021 BMW X5 — REIN FLDF005.
Transfer Case Oil Drain Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN Fits: all 2021 X5 engines | HWP0065 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | M22x1.5, Steel | View on Amazon |
| REIN Fits: all 2021 X5 engines | HWU0065 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | M22x1.5, Aluminum | View on Amazon |
This table covers the Transfer Case Oil drain plugs.
REIN supplies both parts for the 2021 BMW X5. All of them fit every engine offered in the 2021 X5.
Listed part numbers: REIN HWP0065 and REIN HWU0065.
Buying Drivetrain Parts for a 2021 BMW X5
On this vehicle, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware.
- Match the engine first. Some drivetrain parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the differential or transfer-case fluid with any axle or seal job while everything is already open.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Drive Shaft and Axle Shaft Seal .
Frequently Asked Questions
How many drivetrain parts fit the 2021 BMW X5?
Our catalog currently lists 33 drivetrain parts for the 2021 BMW X5 across 12 subcategories and 11 brands, covering all 3 engine options (3.0L L6 ELECTRIC/GAS Turbocharged, 3.0L L6 Turbocharged and 4.4L V8 Turbocharged). Each part is matched to the engine(s) it fits.
Do drivetrain parts differ between 2021 BMW X5 engines?
Some do. 22 parts fit every engine; the other 11 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of drivetrain problems on a 2021 BMW X5?
Common symptoms include clicking in tight turns, a clunk when shifting between drive and reverse, vibration that builds with speed, or gear oil on the inside of a wheel. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the differential or transfer-case fluid with any axle or seal job while everything is already open.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2021 BMW X5 was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2021 BMW X5?
First match the engine — each row shows which engine(s) the part fits. Then a torn CV boot caught early is a cheap boot kit; caught late it is a whole axle — inspect before deciding which to buy. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 BMW X5
Drivetrain Parts for Other BMW X5 Years
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