This page lists 27 automatic transmission parts for the 2018 BMW 420I, across 8 part types, covering the 2.0L L4 Turbocharged engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 2018 BMW 420I, the automatic transmission covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts. Most of the listed parts are Transmission Fluid Additive (8 parts), Transmission Fluid (7 parts) and Fluid Pan (4 parts). The other 5 part types cover the remaining 8 parts.
The 2018 BMW 420I came with a single engine, the 2.0L L4 Turbocharged, and every part is verified against it.
11 brands supply automatic transmission parts for the 2018 BMW 420I, led by LUBEGARD (8 parts), ELRING (4 parts) and VAICO (4 parts), plus 8 more brands. Quality grades include Multi-Vehicle, Economy and Standard Replacement.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2018 BMW 420I. 4 parts have it, including VALVOLINE VV3246 (Transmission Fluid) and LUBEGARD 19610 (Transmission Fluid Additive). Each part number opens a page with every vehicle that part fits.
Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 265853F | 🇲🇽 MX | OE FIX | View on Amazon |
Standard Replacement
| 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.
2 Filter parts are listed for the 2018 BMW 420I, from DORMAN and ATP.
In the Economy grade, DORMAN supplies 1 part: the catalog's value-priced group. A representative part number is DORMAN 265853F.
The Standard Replacement section lists 1 option from ATP — built to original-equipment specification. ATP B205 is listed in this group.
Listed part numbers: DORMAN 265853F and ATP B205.
Fluid Pan
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 265853 | 🇲🇽 MX | OE FIX | View on Amazon |
| ELRING | 224210 | 🇲🇽 MX | with Seal | View on Amazon |
| SKP | SK265853 | 🇲🇽 MX | View on Amazon | |
| SPECTRA PREMIUM | TP0853 | 🇲🇽 MX | View on Amazon |
This table covers the pans that hold automatic-transmission fluid.
4 Fluid Pan parts for the 2018 BMW 420I come from 4 brands — DORMAN, ELRING, SKP and 1 other brand.
This group includes DORMAN 265853, ELRING 224210 and SKP SK265853 and the remaining parts above.
Fluid Pan Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING | 186400 | 🇲🇽 MX | with Trans.: 8-Speed Automatic Transmission | View on Amazon |
This table covers the gaskets that seal the Fluid Pan. 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 2018 BMW 420I — ELRING 186400.
Input Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING | 096490 | 🇲🇽 MX | Height [MM]: 7Inner Diameter [MM]: 53 | View on Amazon |
This table covers the seals at the Input 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.
This group shows a single part: ELRING 096490.
O-Rings & Seals
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING | 821470 | 🇲🇽 MX | without Oil Sump Gasket,without Bolts/Screws,without Filter | View on Amazon |
This table covers the O-rings and seals at this joint.
This group shows a single part: ELRING 821470.
Transmission Fluid
Multi-Vehicle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular | VV3246 | 🇲🇽 MX | Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Quart | View on Amazon |
| VALVOLINE Popular | 773775 | 🇲🇽 MX | Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Gallon | View on Amazon |
| VALVOLINE | 881051 | 🇲🇽 MX | Maxlife Multi-Vehicle Full Synthetic ATF5 Gallon Bay Box | View on Amazon |
Type III (H)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VAICO | V600007 | 🇲🇽 MX | Description: ATF Longlife, 12x 1 L | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VAICO | V600058 | 🇲🇽 MX | ATF II 5 L | View on Amazon |
| VAICO | V600079 | 🇲🇽 MX | Description: ATF III 5 L | View on Amazon |
| VAICO | V600132 | 🇲🇽 MX | Description: 5 L | 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.
7 Transmission Fluid parts are listed for the 2018 BMW 420I, from VAICO and VALVOLINE. VALVOLINE VV3246 carries the "Popular" badge.
In the Multi-Vehicle grade, VALVOLINE supplies 3 parts: grouped under the catalog's "Multi-Vehicle" designation — the notes column spells out what sets them apart. A representative part number is VALVOLINE VV3246.
In the Type III (H) grade, VAICO supplies 1 part: grouped under the catalog's "Type III (H)" designation — the notes column spells out what sets them apart. A representative part number is VAICO V600007.
3 ungrouped parts are not assigned to a grade, with the same engine-level match.
This group includes VALVOLINE VV3246, VALVOLINE 773775 and VALVOLINE 881051 and the remaining parts above.
Transmission Fluid Additive
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LUBEGARD Popular | 19610 | 🇲🇽 MX | Instant Shudder Fixx2 oz | View on Amazon |
| LUBEGARD Popular | 60902 | 🇲🇽 MX | Automatic Transmission Fluid Protectant10 oz | View on Amazon |
| LUBEGARD | 19689 | 🇲🇽 MX | Instant Shudder Fixx2 oz | View on Amazon |
| LUBEGARD | 19680 | 🇲🇽 MX | Instant Shudder Fixx2 oz, clam shell | View on Amazon |
| LUBEGARD | 19688 | 🇲🇽 MX | Instant Shudder Fixx2 oz, Spanish | View on Amazon |
| LUBEGARD | 50902 | 🇲🇽 MX | Automatic Transmission Fluid Protectant32 oz | View on Amazon |
| LUBEGARD | 50904 | 🇲🇽 MX | Automatic Transmission Fluid Protectant5 Gallon | View on Amazon |
| LUBEGARD | 50905 | 🇲🇽 MX | Automatic Transmission Fluid Protectant55 Gallon | View on Amazon |
This table covers the conditioners and additives used with this transmission fluid.
LUBEGARD supplies the 8 Transmission Fluid Additive parts for the 2018 BMW 420I. LUBEGARD 19610 carries the "Popular" badge.
Part numbers include LUBEGARD 19610, LUBEGARD 60902 and LUBEGARD 19689, among others listed above.
Transmission Mount
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ANCHOR | 9916 | 🇲🇽 MX | Fits Right | View on Amazon |
| DEA / MARMON RIDE CONTROL | A4083 | 🇲🇽 MX | Fits Right | View on Amazon |
| WESTAR | EM7279 | 🇲🇽 MX | View on Amazon |
This table covers the mounts that hold the transmission to the chassis. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes.
3 Transmission Mount parts for the 2018 BMW 420I come from 3 brands — ANCHOR, DEA / MARMON RIDE CONTROL and WESTAR.
Part numbers include ANCHOR 9916, DEA / MARMON RIDE CONTROL A4083 and WESTAR EM7279.
Buying Automatic Transmission Parts for a 2018 BMW 420I
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 Additive and Transmission Fluid .
Frequently Asked Questions
How many automatic transmission parts fit the 2018 BMW 420I?
Our catalog currently lists 27 automatic transmission parts for the 2018 BMW 420I across 8 subcategories and 11 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 2018 BMW 420I?
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 2018 BMW 420I 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 2018 BMW 420I?
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 2018 BMW 420I
Automatic Transmission Parts for Other BMW 420I 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.