4 Drivetrain parts are listed for the 2025 BMW M4, in 3 part types, covering the 3.0L L6 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 M4 moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. All 4 listed parts are CV Joint Boot (2 parts), CV Axle (1 part) and Differential Cover Gasket (1 part).
The 2025 BMW M4 came with a single engine, the 3.0L L6 Turbocharged, and every part is verified against it.
2 brands supply drivetrain parts for the 2025 BMW M4, led by GKN (3 parts) and AJUSA (1 part).
Each part number listed for the 2025 BMW M4 opens a page with every vehicle that part fits.
CV Axle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GKN | GKND30034 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear LeftBase Model or Competition or Competition xDrive | 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.
One part is listed for the 2025 BMW M4 — GKN GKND30034.
CV Joint Boot
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GKN | 306831 | 🇺🇸 US 🇨🇦 CA | OUTER Diameter 1.023 InThermoplastic Elastomer | View on Amazon |
| GKN | 306621 | 🇺🇸 US 🇨🇦 CA | OUTER Diameter 1.023 InThermoplastic Elastomer | View on Amazon |
This table covers the boots that keep grease in a CV joint. Typical signs include a split boot, grease flung around the joint, or a click once grit is inside. A boot caught early is a kit. Once the joint has clicked, the joint itself is usually worn.
GKN supplies both parts for the 2025 BMW M4.
Listed part numbers: GKN 306831 and GKN 306621.
Differential Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 16031150 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | FrontAWD | 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 M4 — AJUSA 16031150.
Buying Drivetrain Parts for a 2025 BMW M4
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 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: CV Joint Boot and CV Axle .
Frequently Asked Questions
How many drivetrain parts fit the 2025 BMW M4?
Our catalog currently lists 4 drivetrain parts for the 2025 BMW M4 across 3 subcategories and 2 brands, covering the 3.0L L6 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 2025 BMW M4?
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 M4 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 M4?
Every part on this page is matched to the 3.0L L6 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 M4
Drivetrain Parts for Other BMW M4 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.