The 2021 BMW 120I has 3 automatic transmission parts with verified fitment on this page — 2 part types and 2 brands, covering the 2.0L L4 Turbocharged engine. Each part includes a manufacturer part number and application notes.
The automatic transmission on the 2021 BMW 120I covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts. All 3 listed parts are Transmission Fluid (2 parts) and Filter (1 part).
Every part on this page is matched to the 2.0L L4 Turbocharged — the only engine offered in the 2021 BMW 120I.
The most listed brands for 2021 BMW 120I automatic transmission parts are LUBEGARD (2 parts) and ATP (1 part).
Each part number listed for the 2021 BMW 120I opens a page with every vehicle that part fits.
Filter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ATP | B205 | 🇲🇽 MX | Premium Replacement | View on Amazon |
This table covers the replacement filters for this application — the table heading and notes say which circuit. Typical signs include restricted flow — long cranking, weak airflow, or dirty fluid after a short interval. Seat the new filter so it cannot bypass, and use the grade the notes call for.
This group shows a single part: ATP B205.
Transmission Fluid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LUBEGARD | 56032 | 🇲🇽 MX | Complete Multi-Vehicle Dual Clutch Transmission Fluid for Wet Clutch AP1 Quart. | View on Amazon |
| LUBEGARD | 56125 | 🇲🇽 MX | Complete Multi-Vehicle Dual Clutch Transmission Fluid for Wet Clutch AP5 Quart. | View on Amazon |
This table covers the automatic-transmission fluids specified for this gearbox. Typical signs include harsh or delayed shifts, fluid that smells burnt, or a shudder at light throttle. Use exactly the specification in the notes. Automatic transmissions are unforgiving of the wrong fluid.
2 Transmission Fluid parts for the 2021 BMW 120I come from LUBEGARD.
This group includes LUBEGARD 56032 and LUBEGARD 56125.
Buying Automatic Transmission Parts for a 2021 BMW 120I
On this vehicle, the automatic transmission covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts.
- 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 filter and pan gasket with every fluid service, and flush the cooler lines when replacing a failed unit.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Transmission Fluid and Filter .
Frequently Asked Questions
How many automatic transmission parts fit the 2021 BMW 120I?
Our catalog currently lists 3 automatic transmission parts for the 2021 BMW 120I across 2 subcategories and 2 brands, covering the 2.0L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of automatic transmission problems on a 2021 BMW 120I?
Common symptoms include delayed or harsh engagement, slipping under load, fluid that smells burnt, or shuddering at light throttle around 40 mph. 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 filter and pan gasket with every fluid service, and flush the cooler lines when replacing a failed unit.
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 120I 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 120I?
Every part on this page is matched to the 2.0L L4 Turbocharged engine. Then use exactly the fluid specification in the notes — automatic transmissions are the least forgiving component on the vehicle about fluid choice. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 BMW 120I
Automatic Transmission Parts for Other BMW 120I Years
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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.