The 2020 BMW M550I has 6 electrical parts with verified fitment on this page — 2 part types and 5 brands, covering the 4.4L V8 Turbocharged engine. Each part includes a manufacturer part number and application notes.
The electrical system on the 2020 BMW M550I covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. All 6 listed parts are Alternator / Generator (4 parts) and Daytime Running Light Module (2 parts).
The 2020 BMW M550I came with a single engine, the 4.4L V8 Turbocharged, and every part is verified against it.
5 brands supply electrical parts for the 2020 BMW M550I, led by ÜRO PARTS (2 parts), VALEO (1 part) and WAI GLOBAL (1 part), plus 2 more brands. Quality grades include New and Remanufactured.
Each part number listed for the 2020 BMW M550I opens a page with every vehicle that part fits.
Alternator / Generator
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALEO | 439964 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Valeo Origins New OE Technology | View on Amazon |
| WAI GLOBAL | 21084N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 250 AmpsValeo | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP | 11913 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| PURE ENERGY | 11913 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
This table covers the alternators that charge the battery and run the electrical load. Typical signs include dim lights at idle, a battery lamp, or a growl from the charging pulley. Load-test the battery and inspect the belt and grounds — a bad ground mimics a failed alternator.
4 Alternator / Generator parts for the 2020 BMW M550I come from 4 brands — VALEO, WAI GLOBAL, FVP and 1 other brand.
The New section lists 2 options from VALEO and WAI GLOBAL — brand-new units rather than rebuilt ones. VALEO 439964 is listed in this group.
The Remanufactured section lists 2 options from FVP and PURE ENERGY — factory-rebuilt units with new wear components. FVP 11913 is listed in this group.
Part numbers include VALEO 439964, WAI GLOBAL 21084N and FVP 11913, among others listed above.
Daytime Running Light Module
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ÜRO PARTS | 63117214939 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Leftwith Adaptive LED Headlight (S552A) | View on Amazon |
| ÜRO PARTS | 63117214940 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rightwith Adaptive LED Light | View on Amazon |
This table covers the Daytime Running Light modules. Typical signs include a cluster of unrelated faults, a no-communication code, or a module that will not sleep. Confirm power, ground and programming compatibility in the notes. Modules are rarely plug-and-play across years.
2 Daytime Running Light Module parts for the 2020 BMW M550I come from ÜRO PARTS.
Listed part numbers: ÜRO PARTS 63117214939 and ÜRO PARTS 63117214940.
Buying Electrical Parts for a 2020 BMW M550I
On this vehicle, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors.
- Confirm you have the 4.4L V8 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, clean or renew the battery terminals and grounds with any charging-system repair.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Alternator / Generator and Daytime Running Light Module .
Frequently Asked Questions
How many electrical parts fit the 2020 BMW M550I?
Our catalog currently lists 6 electrical parts for the 2020 BMW M550I across 2 subcategories and 5 brands, covering the 4.4L V8 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical problems on a 2020 BMW M550I?
Common symptoms include slow cranking on cold mornings, a battery light that flickers, dim lights at idle, or a check-engine code pointing at a sensor circuit. 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, clean or renew the battery terminals and grounds with any charging-system repair.
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 M550I 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 M550I?
Every part on this page is matched to the 4.4L V8 Turbocharged engine. Then test before replacing — a failed alternator and a bad ground can look identical, and sensors are frequently condemned for wiring faults. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2020 BMW M550I
Electrical Parts for Other BMW M550I 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.