8 Drivetrain parts are listed for the 2025 BMW 550E, in 6 part types, covering the 3.0L L6 ELECTRIC/GAS Turbocharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
The drivetrain system on the 2025 BMW 550E moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. The largest groups are Differential Fill / Drain Plug (2 parts), Transfer Case Oil Drain Plug (2 parts) and Differential Cover Gasket (1 part). The other 3 part types cover the remaining 3 parts.
The 2025 BMW 550E came with a single engine, the 3.0L L6 ELECTRIC/GAS Turbocharged, and every part is verified against it.
3 brands supply drivetrain parts for the 2025 BMW 550E, led by REIN (5 parts), AJUSA (2 parts) and ELRING (1 part).
Each part number listed for the 2025 BMW 550E opens a page with every vehicle that part fits.
Differential Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 16031150 | 🇺🇸 US 🇨🇦 CA | 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 2025 BMW 550E — AJUSA 16031150.
Differential Fill / Drain Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN | HWP0065 | 🇺🇸 US 🇨🇦 CA | Fits Rear DifferentialM22X1.5, Steel | View on Amazon |
| REIN | HWU0065 | 🇺🇸 US 🇨🇦 CA | Fits Rear DifferentialM22X1.5, Aluminum | View on Amazon |
This table covers the Differential Fill drain plugs.
REIN supplies both parts for the 2025 BMW 550E.
Listed part numbers: REIN HWP0065 and REIN HWU0065.
Differential Pinion Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 12015650 | 🇺🇸 US 🇨🇦 CA | Front44x69x10/15mm | 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.
One part is listed for the 2025 BMW 550E — AJUSA 12015650.
Differential Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING | B16790 | 🇺🇸 US 🇨🇦 CA | Material: AEM (Ethylene Acrylate Rubber)Swirl Type: Alternating Twist | 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.
This group shows a single part: ELRING B16790.
Transfer Case Fluid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN | FLDF005 | 🇺🇸 US 🇨🇦 CA | 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 2025 BMW 550E — REIN FLDF005.
Transfer Case Oil Drain Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN | HWP0065 | 🇺🇸 US 🇨🇦 CA | M22x1.5, Steel | View on Amazon |
| REIN | HWU0065 | 🇺🇸 US 🇨🇦 CA | M22x1.5, Aluminum | View on Amazon |
This table covers the Transfer Case Oil drain plugs.
REIN supplies both parts for the 2025 BMW 550E.
Listed part numbers: REIN HWP0065 and REIN HWU0065.
Buying Drivetrain Parts for a 2025 BMW 550E
On this vehicle, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware.
- Confirm you have the 3.0L L6 ELECTRIC/GAS Turbocharged engine — every part on this page is matched to it.
- 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: Differential Fill / Drain Plug and Transfer Case Oil Drain Plug .
Frequently Asked Questions
How many drivetrain parts fit the 2025 BMW 550E?
Our catalog currently lists 8 drivetrain parts for the 2025 BMW 550E across 6 subcategories and 3 brands, covering the 3.0L L6 ELECTRIC/GAS Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 2025 BMW 550E?
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 2025 BMW 550E 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 2025 BMW 550E?
Every part on this page is matched to the 3.0L L6 ELECTRIC/GAS Turbocharged engine. 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 2025 BMW 550E
Drivetrain Parts for Other BMW 550E Years
Switch vehicle or jump to a subcategory
Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.