2021 BMW M135I Drivetrain Parts

Engine:
2.0L L4 Turbocharged

This page lists 2 drivetrain parts for the 2021 BMW M135I, across 1 part type, covering the 2.0L L4 Turbocharged engine. Every part shows its brand, manufacturer part number and fitment notes.

The drivetrain system on the 2021 BMW M135I moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. Every listed part is a Differential Seal.

Differential Seal

Brand Part Number Markets Notes Buy
ELRING 761160
🇲🇽 MX
Material: ACM (Polyacrylate)Radial Shaft Seal Design: AS
Fitment notes — ELRING 761160
Material: ACM (Polyacrylate)Radial Shaft Seal Design: ASSwirl Type: Alternating TwistFront
View on
Amazon
ELRING B16790
🇲🇽 MX
Material: AEM (Ethylene Acrylate Rubber)Swirl Type: Alternating Twist
Fitment notes — ELRING B16790
Material: AEM (Ethylene Acrylate Rubber)Swirl Type: Alternating TwistRear
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.

Buying Drivetrain Parts for a 2021 BMW M135I

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 2.0L L4 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 Seal .

Frequently Asked Questions

How many drivetrain parts fit the 2021 BMW M135I?

Our catalog currently lists 2 drivetrain parts for the 2021 BMW M135I across 1 subcategory and 1 brand, covering the 2.0L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.

What are the signs of drivetrain problems on a 2021 BMW M135I?

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 M135I 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 M135I?

Every part on this page is matched to the 2.0L L4 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 2021 BMW M135I

Drivetrain Parts for Other BMW M135I 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.