This page lists 28 electrical parts for the 2020 BMW M4, across 6 part types, covering the 3.0L L6 Turbocharged engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 2020 BMW M4, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. Most of the listed parts are Starter Motor (10 parts), Lighting Control Module (LCM) (7 parts) and Alternator / Generator (5 parts). The other 3 part types cover the remaining 6 parts.
Every part on this page is matched to the 3.0L L6 Turbocharged — the only engine offered in the 2020 BMW M4.
The most listed brands for 2020 BMW M4 electrical parts are MARELLI (6 parts), REMY (3 parts) and TERREPOWER (3 parts), plus 11 more brands. Quality grades include Remanufactured and New.
5 parts on this 2020 BMW M4 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including PURE ENERGY 11496 (Alternator / Generator) and ÜRO PARTS 63117493230 (Lighting Control Module (LCM)). Click any part number to see every vehicle that part fits.
Alternator / Generator
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL | 21272N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 210 Amps | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PURE ENERGY Popular | 11496 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| FVP | 11496 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY | 11135 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| TERREPOWER | 11496 | 🇺🇸 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.
5 Alternator / Generator parts are listed for the 2020 BMW M4, from WAI GLOBAL, PURE ENERGY, FVP and 2 other brands. PURE ENERGY 11496 carries the "Popular" badge.
In the New grade, WAI GLOBAL supplies 1 part: brand-new units rather than rebuilt ones. A representative part number is WAI GLOBAL 21272N.
In the Remanufactured grade, PURE ENERGY, FVP, REMY and 1 other brand supply 4 parts: factory-rebuilt units with new wear components. A representative part number is PURE ENERGY 11496.
Listed part numbers: PURE ENERGY 11496 and WAI GLOBAL 21272N, plus the other parts above.
Lighting Control Module (LCM)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ÜRO PARTS Popular | 63117493230 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RightDaylight Running Module | View on Amazon |
| ÜRO PARTS Popular | 63117493229 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LeftDaylight Running Module | View on Amazon |
| MARELLI | LRE166 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LED | View on Amazon |
| MARELLI | LRC380 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LED | View on Amazon |
| MARELLI | LRE148 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LED | View on Amazon |
| MARELLI | LRE165 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LED | View on Amazon |
| MARELLI | LRE703 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LED | View on Amazon |
This table covers the modules that control the exterior lighting.
7 Lighting Control Module (LCM) parts are listed for the 2020 BMW M4, from MARELLI and ÜRO PARTS. ÜRO PARTS 63117493230 carries the "Popular" badge.
Part numbers include ÜRO PARTS 63117493230, ÜRO PARTS 63117493229 and MARELLI LRE166, among others listed above.
Parking Aid Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 684083 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Black | View on Amazon |
| MARELLI | SDP006 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
This table covers the ultrasonic park-aid sensors in the bumper. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.
2 Parking Aid Sensor parts are listed for the 2020 BMW M4, from DORMAN and MARELLI.
This group includes DORMAN 684083 and MARELLI SDP006.
Parking Aid Sensor Bracket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TECHPRO | BM1074101 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits FrontConvertible | View on Amazon |
This table covers the brackets that mount the Parking Aid Sensor. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners.
One part is listed for the 2020 BMW M4 — TECHPRO BM1074101.
Rain Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 011808841 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 3-Pin ConnectorClipped | View on Amazon |
| HELLA | 011807921 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 3-Pin ConnectorClipped | View on Amazon |
| VEMO | V20720202 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | ClippedFrom 03/2017 | View on Amazon |
This table covers the Rain sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.
3 Rain Sensor parts are listed for the 2020 BMW M4, from HELLA and VEMO.
This group includes HELLA 011808841, HELLA 011807921 and VEMO V20720202.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TYC Popular | 119248 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| ULTRA-POWER Popular | 119248 | 🇺🇸 US 🇨🇦 CA | ConvertibleCOUPE | View on Amazon |
| REMY | 99061 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| TERREPOWER | N19248 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WAI GLOBAL | 19248N | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH | SR9521X | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| FVP | 19526 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| PURE ENERGY | 19526 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY | 16213 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
| TERREPOWER | 19248 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
This table covers the starter motors that crank the engine. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor.
10 Starter Motor parts are listed for the 2020 BMW M4, from REMY, TERREPOWER, TYC and 5 other brands. TYC 119248 carries the "Popular" badge.
New: 5 parts, from TYC, ULTRA-POWER, REMY and 2 other brands. A representative part number is TYC 119248.
Remanufactured: 5 parts, from BOSCH, FVP, PURE ENERGY and 2 other brands. A representative part number is BOSCH SR9521X.
Buying Electrical Parts for a 2020 BMW M4
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 3.0L L6 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: Starter Motor and Lighting Control Module (LCM) .
Frequently Asked Questions
How many electrical parts fit the 2020 BMW M4?
Our catalog currently lists 28 electrical parts for the 2020 BMW M4 across 6 subcategories and 14 brands, covering the 3.0L L6 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical problems on a 2020 BMW M4?
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 M4 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 M4?
Every part on this page is matched to the 3.0L L6 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 M4
Electrical Parts for Other BMW M4 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.