2021 BMW M550I Automatic Transmission Parts

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. Read more

2 Filter parts for the 2021 BMW M550I come from 2 brands — ATP and BECK/ARNLEY.

This group includes ATP B205 and BECK/ARNLEY 0440409.

This table covers the heat exchangers that cool transmission fluid. Typical signs include fluid that overheats, a leak at the cooler fittings, or milky fluid that says coolant and ATF have mixed. Flush the lines when you replace a cooler. Cross-contamination is how a small leak becomes a transmission job. Read more

This group shows a single part: MAHLE / CLEVITE CLC292000P.

This table covers the pans that hold automatic-transmission fluid. Read more

3 Fluid Pan parts are listed for the 2021 BMW M550I, from ELRING, HENGST and VAICO.

This group includes ELRING 224210, HENGST HG115HD846 and VAICO V200588.

This table covers the Fluid Pan bolts. Read more

This group shows a single part: REIN HWB1068.

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. Read more

This group shows a single part: ELRING 186400.

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. Read more

One part is listed for the 2021 BMW M550I — ELRING 096490.

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. Read more

11 Transmission Fluid parts for the 2021 BMW M550I come from 5 brands — VALVOLINE, LIQUI MOLY, PENTOSIN and 2 other brands. The "Popular" part is MOBIL 126505.

The Multi-Vehicle section lists 8 options from VALVOLINE, LIQUI MOLY, MOBIL and 1 other brand — grouped under the catalog's "Multi-Vehicle" designation — the notes column spells out what sets them apart. MOBIL 126505 is listed in this group.

The ZF Fluid section lists 2 options from PENTOSIN — grouped under the catalog's "ZF Fluid" designation — the notes column spells out what sets them apart. PENTOSIN 1058110 is listed in this group.

1 further part sits outside the graded sections, with the same engine-level match.

This table covers the conditioners and additives used with this transmission fluid. Read more

6 Transmission Fluid Additive parts for the 2021 BMW M550I come from LUBEGARD. The "Popular" part is LUBEGARD 19610.

Part numbers include LUBEGARD 19610, LUBEGARD 60902 and LUBEGARD 19689, among others listed above.

This table covers the Transmission service kits. Read more

VAICO supplies both parts for the 2021 BMW M550I.

The Expert Kit (Basic Kit & Transmission Fluid) section lists 1 option from VAICO — grouped under the catalog's "Expert Kit (Basic Kit & Transmission Fluid)" designation — the notes column spells out what sets them apart. VAICO V202090 is listed in this group.

In the Expert Kit + (Expert Kit and Extra Oil for Rinsing) grade, VAICO supplies 1 part: grouped under the catalog's "Expert Kit + (Expert Kit and Extra Oil for Rinsing)" designation — the notes column spells out what sets them apart. A representative part number is VAICO V202090XXL.

Listed part numbers: VAICO V202090 and VAICO V202090XXL.