The 2021 BMW 740I has 47 electrical parts with verified fitment on this page — 8 part types and 16 brands, covering the 3.0L L6 Turbocharged engine. Each part includes a manufacturer part number and application notes.
The electrical system on the 2021 BMW 740I covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. The largest groups are Battery (26 parts), Alternator / Generator (8 parts) and Starter Motor (4 parts). The other 5 part types cover the remaining 9 parts.
Every part on this page is matched to the 3.0L L6 Turbocharged — the only engine offered in the 2021 BMW 740I.
The most listed brands for 2021 BMW 740I electrical parts are FVP (6 parts), ACDELCO (5 parts) and PURE ENERGY (4 parts), plus 13 more brands. Quality grades include AGM, Remanufactured and Performance AGM.
8 parts on this 2021 BMW 740I page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including PURE ENERGY 10396 (Alternator / Generator) and ACDELCO 47AGM (Battery). Click any part number to see every vehicle that part fits.
Alternator / Generator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PURE ENERGY Popular | 10396 | 🇺🇸 US 🇲🇽 MX | Remanufactured | View on Amazon |
| PURE ENERGY Popular | 10397 | 🇺🇸 US 🇲🇽 MX | Remanufactured | View on Amazon |
| FVP | 10396 | 🇺🇸 US 🇲🇽 MX | Remanufactured | View on Amazon |
| FVP | 10397 | 🇺🇸 US 🇲🇽 MX | Remanufactured | View on Amazon |
| FVP | 10398 | 🇺🇸 US 🇲🇽 MX | Remanufactured | View on Amazon |
| PURE ENERGY | 10398 | 🇺🇸 US 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY | 11530 | 🇺🇸 US 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY | 11531 | 🇺🇸 US 🇲🇽 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.
8 Alternator / Generator parts are listed for the 2021 BMW 740I, from PURE ENERGY, FVP and REMY. PURE ENERGY 10396 carries the "Popular" badge.
Part numbers include PURE ENERGY 10396 and PURE ENERGY 10397, among others listed above.
Battery
AGM (Extended Life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 47AGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 47 | View on Amazon |
| DEKA Popular | 9A47 | 🇺🇸 US 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| DEKA Popular | 9A49 | 🇺🇸 US 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| LUCAS Popular | LBAGM001A | 🇺🇸 US 🇲🇽 MX | BCI Group: 47AGM | View on Amazon |
| LUCAS Popular | LBAGM005A | 🇺🇸 US 🇲🇽 MX | BCI Group: 94RAGM | View on Amazon |
| LUCAS Popular | LBAGM007A | 🇺🇸 US 🇲🇽 MX | BCI Group: 95RAGM | View on Amazon |
| ACDELCO | 47SAGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 47 | View on Amazon |
| ACDELCO | 49AGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 49 | View on Amazon |
| ACDELCO | 49AGMHR | 🇺🇸 US 🇨🇦 CA | High ReserveAGM | View on Amazon |
| ACDELCO | 95RAGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 95R | View on Amazon |
| BOSCH | S6590B | 🇺🇸 US 🇲🇽 MX | AGMAuxiliary AGM | View on Amazon |
| BOSCH | S6588B | 🇺🇸 US 🇲🇽 MX | AGMAGM | View on Amazon |
| DEKA | 9A95R | 🇺🇸 US 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| EXIDE | M14AUX | 🇺🇸 US 🇲🇽 MX | Marathon (Auxiliary) Group:400 CCA:170 AH:14 RC:20 AGM(LxWxH) 5.88" x 3.44" x 5.75" | View on Amazon |
| EXIDE | MXH5L247 | 🇺🇸 US 🇲🇽 MX | Marathon MaxBCI Group 47 (H5) | View on Amazon |
| EXIDE | MXH8L549 | 🇺🇸 US 🇲🇽 MX | Marathon MaxBCI Group 49 (H8) | View on Amazon |
| EXIDE | MXH9L695R | 🇺🇸 US 🇲🇽 MX | Marathon MaxBCI Group 95R (H9) | View on Amazon |
| FVP | P47AGM | 🇺🇸 US 🇲🇽 MX | Platinum AGMBCI Group: 47 | View on Amazon |
| FVP | P49AGM | 🇺🇸 US 🇲🇽 MX | Platinum AGMBCI Group: 49 | View on Amazon |
| MOTORCRAFT | BAGM49H8 | 🇺🇸 US 🇲🇽 MX | Tested Tough AGMBCI Group: 49/H8 or BCI Group 49 | View on Amazon |
| MOTORCRAFT | BAGM95RH9 | 🇺🇸 US 🇲🇽 MX | Tested Tough AGMBCI Group 95R or BCI Group: 95R/H9 | View on Amazon |
| P1MAX | PMAGMH547 | 🇺🇸 US 🇲🇽 MX | BCI Group 47 AGM680 CCA | View on Amazon |
| P1MAX | PMAGMH849 | 🇺🇸 US 🇲🇽 MX | BCI Group 49 AGM850 CCA | View on Amazon |
| P1MAX | PMAGMH995R | 🇺🇸 US 🇲🇽 MX | BCI Group 95R AGM950 CCA | View on Amazon |
Performance AGM (Extended Life + Increased Power)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FULLRIVER | FT61047 | 🇺🇸 US 🇲🇽 MX | BCI Group 47(Length X Width X Height) 9.49 In x 6.89 In x 7.48 In | View on Amazon |
| FULLRIVER | FT89049 | 🇺🇸 US 🇲🇽 MX | BCI Group 49(Length X Width X Height) 13.9 In x 6.89 In x 7.48 In | View on Amazon |
This table covers the batteries listed by group size and specification. Typical signs include slow cranking, a battery lamp, or a no-start after the vehicle sat overnight. Confirm group size and terminal layout in the notes. Clean the posts and the ground before condemning the battery.
26 Battery parts for the 2021 BMW 740I come from 9 brands — ACDELCO, EXIDE, DEKA and 6 other brands. The "Popular" part is ACDELCO 47AGM. Grades run from AGM (Extended Life) through Performance AGM (Extended Life + Increased Power); AGM (Extended Life) is the most populated section, led by ACDELCO, EXIDE, DEKA and 5 other brands.
Daytime Running Light Module
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ÜRO PARTS | 63119498407 | 🇺🇸 US 🇲🇽 MX | Left | View on Amazon |
| ÜRO PARTS | 63119498408 | 🇺🇸 US 🇲🇽 MX | Right | 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.
ÜRO PARTS supplies both parts for the 2021 BMW 740I.
Part numbers include ÜRO PARTS 63119498407 and ÜRO PARTS 63119498408.
Lighting Control Module (LCM)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V20730306 | 🇺🇸 US 🇲🇽 MX | View on Amazon |
This table covers the modules that control the exterior lighting.
One part is listed for the 2021 BMW 740I — VEMO V20730306.
Parking Aid Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VARIOUS MFR | BM1075103 | 🇺🇸 US 🇲🇽 MX | Customer Paints to Match | View on Amazon |
| VARIOUS MFR | BM1075104 | 🇺🇸 US 🇲🇽 MX | Customer Paints to Match | 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.
VARIOUS MFR supplies both parts for the 2021 BMW 740I.
Part numbers include VARIOUS MFR BM1075103 and VARIOUS MFR BM1075104.
Parking Aid Sensor Bracket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TECHPRO | BM1074106 | 🇺🇸 US 🇲🇽 MX | FrontG12 | View on Amazon |
| TECHPRO | BM1074107 | 🇺🇸 US 🇲🇽 MX | FrontG12 Body | View on Amazon |
| TECHPRO | BM1174103 | 🇺🇸 US 🇲🇽 MX | RearG12 Body | 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.
TECHPRO supplies the 3 Parking Aid Sensor Bracket parts for the 2021 BMW 740I.
Part numbers include TECHPRO BM1074106, TECHPRO BM1074107 and TECHPRO BM1174103.
Rain Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V20720202 | 🇺🇸 US 🇲🇽 MX | Clipped | 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.
One part is listed for the 2021 BMW 740I — VEMO V20720202.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL | 31413N | 🇺🇸 US 🇲🇽 MX | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP | 12883 | 🇺🇸 US 🇲🇽 MX | Remanufactured | View on Amazon |
| PURE ENERGY | 12883 | 🇺🇸 US 🇲🇽 MX | Remanufactured | View on Amazon |
| REMY | 16420 | 🇺🇸 US 🇲🇽 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.
4 Starter Motor parts are listed for the 2021 BMW 740I, from WAI GLOBAL, FVP, PURE ENERGY and 1 other brand.
In the New grade, WAI GLOBAL supplies 1 part: brand-new units rather than rebuilt ones. A representative part number is WAI GLOBAL 31413N.
In the Remanufactured grade, FVP, PURE ENERGY and REMY supply 3 parts: factory-rebuilt units with new wear components. A representative part number is FVP 12883.
Listed part numbers: WAI GLOBAL 31413N and FVP 12883, plus the other parts above.
Buying Electrical Parts for a 2021 BMW 740I
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: Battery and Alternator / Generator .
Frequently Asked Questions
How many electrical parts fit the 2021 BMW 740I?
Our catalog currently lists 47 electrical parts for the 2021 BMW 740I across 8 subcategories and 16 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 2021 BMW 740I?
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 2021 BMW 740I 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 740I?
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 2021 BMW 740I
Electrical Parts for Other BMW 740I 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.