7 Drivetrain parts are listed for the 2020 BMW I3, in 4 part types, covering both the 647cc L2 ELECTRIC and the 647cc L2 ELECTRIC/GAS. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2020 BMW I3, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. Most of the listed parts are CV Axle (4 parts), Axle Shaft Seal (1 part) and Differential Gear Installation Kit (1 part). The other 1 part type covers the remaining 1 part.
The 2020 BMW I3 was sold with both the 647cc L2 ELECTRIC and the 647cc L2 ELECTRIC/GAS. 1 part fits every engine; the other 6 are engine-specific. Each part shows which engine(s) it fits.
4 brands supply drivetrain parts for the 2020 BMW I3, led by GSP (2 parts), TOP NOTCH (2 parts) and ELRING (2 parts), plus 1 more brand.
Each part number listed for the 2020 BMW I3 opens a page with every vehicle that part fits.
Axle Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TIMKEN Fits: all 2020 I3 engines | SL260162 | 🇺🇸 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.
One part is listed for the 2020 BMW I3 — TIMKEN SL260162.
CV Axle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GSP Fits: 647cc L2 ELECTRIC | NCV27068 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Left | View on Amazon |
| GSP Fits: 647cc L2 ELECTRIC | NCV27069 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Right | View on Amazon |
| TOP NOTCH Fits: 647cc L2 ELECTRIC | TN10058 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Left | View on Amazon |
| TOP NOTCH Fits: 647cc L2 ELECTRIC | TN10059 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Right | 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 2020 BMW I3, from GSP and TOP NOTCH.
Listed part numbers: GSP NCV27068, GSP NCV27069 and TOP NOTCH TN10058, plus the other parts above.
Differential Gear Installation Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 647cc L2 ELECTRIC | B16800 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Differential Gear Installation kits.
This group shows a single part: ELRING B16800.
Differential Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 647cc L2 ELECTRIC | B16790 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
Buying Drivetrain Parts for a 2020 BMW I3
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 Axle Shaft Seal .
Frequently Asked Questions
How many drivetrain parts fit the 2020 BMW I3?
Our catalog currently lists 7 drivetrain parts for the 2020 BMW I3 across 4 subcategories and 4 brands, covering both the 647cc L2 ELECTRIC and the 647cc L2 ELECTRIC/GAS. Each part is matched to the engine(s) it fits.
Do drivetrain parts differ between 2020 BMW I3 engines?
Some do. 1 part fits every engine; the other 6 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 2020 BMW I3?
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 2020 BMW I3 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 2020 BMW I3?
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 2020 BMW I3
Drivetrain Parts for Other BMW I3 Years
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