24 Drivetrain parts are listed for the 2019 BMW Z4, in 9 part types, covering both the 2.0L L4 Turbocharged and the 3.0L L6 Turbocharged. Each one has a brand, a manufacturer part number and notes that say where it fits.
The drivetrain system on the 2019 BMW Z4 moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. The largest groups are CV Axle (9 parts), Drive Shaft Flex Joint (3 parts) and Axle Shaft Seal (2 parts). The other 6 part types cover the remaining 10 parts.
The 2019 BMW Z4 was sold with both the 2.0L L4 Turbocharged and the 3.0L L6 Turbocharged. 6 parts fit every engine; the other 18 are engine-specific. Each part shows which engine(s) it fits.
11 brands supply drivetrain parts for the 2019 BMW Z4, led by TRAKMOTIVE (5 parts), REIN (3 parts) and ELRING (3 parts), plus 8 more brands.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2019 BMW Z4. 2 parts have it, including TOP NOTCH TN10200 (CV Axle) and TRAKMOTIVE BM86002 (CV Axle). Each part number opens a page with every vehicle that part fits.
Axle Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 2.0L L4 Turbocharged | 12021750 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rearwithout M Sport Differential | View on Amazon |
| TIMKEN Fits: all 2019 Z4 engines | SL260496 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | 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.
2 Axle Shaft Seal parts are listed for the 2019 BMW Z4, from AJUSA and TIMKEN. 1 part fits every engine; the other 1 is engine-specific.
This group includes AJUSA 12021750 and TIMKEN SL260496.
CV Axle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TOP NOTCH Popular Fits: 2.0L L4 Turbocharged | TN10200 | 🇺🇸 US 🇨🇦 CA | Rear Rightwithout Sport Package (M) | View on Amazon |
| TRAKMOTIVE Popular Fits: all 2019 Z4 engines | BM86002 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Rightwith Non-Locking Differential | View on Amazon |
| GSP Fits: 2.0L L4 Turbocharged | NCV27120 | 🇺🇸 US 🇨🇦 CA | Rear Rightwithout Sport Package (M) | View on Amazon |
| GSP Fits: 2.0L L4 Turbocharged | NCV27121 | 🇺🇸 US 🇨🇦 CA | Rear Leftwithout Sport Package (M) | View on Amazon |
| TOP NOTCH Fits: 2.0L L4 Turbocharged | TN10201 | 🇺🇸 US 🇨🇦 CA | Rear Leftwithout Sport Package (M) | View on Amazon |
| TRAKMOTIVE Fits: 3.0L L6 Turbocharged | BM86005 | 🇲🇽 MX | Rear LeftNon-Locking Differential | View on Amazon |
| TRAKMOTIVE Fits: 3.0L L6 Turbocharged | BM86006 | 🇲🇽 MX | Rear RightLocking Differential | View on Amazon |
| TRAKMOTIVE Fits: 3.0L L6 Turbocharged | BM86016 | 🇲🇽 MX | Rear RightNon-Locking Differential | View on Amazon |
| TRAKMOTIVE Fits: 3.0L L6 Turbocharged | BM86019 | 🇲🇽 MX | Rear LeftLocking Differential | 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.
9 CV Axle parts are listed for the 2019 BMW Z4, from TRAKMOTIVE, TOP NOTCH and GSP. TOP NOTCH TN10200 carries the "Popular" badge. 1 part fits every engine; the other 8 are engine-specific.
Listed part numbers: TOP NOTCH TN10200, TRAKMOTIVE BM86002 and GSP NCV27120, plus the other parts above.
Differential Fill / Drain Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN Fits: 2.0L L4 Turbocharged | HWP0065 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear DifferentialM22X1.5, Steel | View on Amazon |
| REIN Fits: 2.0L L4 Turbocharged | HWU0065 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear DifferentialM22X1.5, Aluminum | View on Amazon |
This table covers the Differential Fill drain plugs.
REIN supplies both parts for the 2019 BMW Z4.
This group includes REIN HWP0065 and REIN HWU0065.
Differential Pinion Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Fits: 2.0L L4 Turbocharged | 12005350 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear45 x 75 x 10 mm, without M Sport Differential | View on Amazon |
| TIMKEN Fits: 2.0L L4 Turbocharged | SL260527 | 🇺🇸 US 🇨🇦 CA | 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.
2 Differential Pinion Seal parts are listed for the 2019 BMW Z4, from AJUSA and TIMKEN.
This group includes AJUSA 12005350 and TIMKEN SL260527.
Differential Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: all 2019 Z4 engines | 729370 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Height [MM]: 10Swirl Type: Right-hand Twist | View on Amazon |
| ELRING Fits: all 2019 Z4 engines | 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.
2 Differential Seal parts for the 2019 BMW Z4 come from ELRING. Every part fits both the 2.0L L4 Turbocharged and the 3.0L L6 Turbocharged.
Part numbers include ELRING 729370 and ELRING B46610.
Drive Shaft Center Support Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN Fits: 2.0L L4 Turbocharged | BEM0039P | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 55mm O.D., 30mm I.D. | View on Amazon |
This table covers the Drive Shaft Center Support bearings. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.
This group shows a single part: REIN BEM0039P.
Drive Shaft Flex Joint
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 2.0L L4 Turbocharged | 935118 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| LARES Fits: 2.0L L4 Turbocharged | 31560 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
| MOOG Fits: all 2019 Z4 engines | 678 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Rear Driveshaft At Rear Axlewith 105mm Bolt Diameter | View on Amazon |
This table covers the flex joints in the driveshaft.
3 Drive Shaft Flex Joint parts are listed for the 2019 BMW Z4, from DORMAN, LARES and MOOG. 1 part fits every engine; the other 2 are engine-specific.
Part numbers include DORMAN 935118, LARES 31560 and MOOG 678.
Drive Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: all 2019 Z4 engines | B15590 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Flange Seal | View on Amazon |
This table covers the seals at the Drive Shaft. 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 2019 BMW Z4 — ELRING B15590.
Gear Oil
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Fits: 2.0L L4 Turbocharged | 915052 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-85 Gear Oil1 Gallon | View on Amazon |
| VALVOLINE Fits: 2.0L L4 Turbocharged | 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 2019 BMW Z4.
This group includes VALVOLINE 915052 and VALVOLINE 915053.
Buying Drivetrain Parts for a 2019 BMW Z4
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: CV Axle and Drive Shaft Flex Joint .
Frequently Asked Questions
How many drivetrain parts fit the 2019 BMW Z4?
Our catalog currently lists 24 drivetrain parts for the 2019 BMW Z4 across 9 subcategories and 11 brands, covering both the 2.0L L4 Turbocharged and the 3.0L L6 Turbocharged. Each part is matched to the engine(s) it fits.
Do drivetrain parts differ between 2019 BMW Z4 engines?
Some do. 6 parts fit every engine; the other 18 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 2019 BMW Z4?
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 2019 BMW Z4 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 2019 BMW Z4?
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 2019 BMW Z4
Drivetrain Parts for Other BMW Z4 Years
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