BMW Hybrid Battery Pack
In addition to the BMW 5 Series (G30) 530e the same battery pack can be found in the 7 Series (G12) 740e as well as the X Series (F15) X5. These battery packs consist of six battery modules yielding 351 volts. The same battery modules can be found in the 3 Series (F30) 330e but in a smaller form factor made up of only five modules and 293 volts.
First Gen (-2018)
The Electrical Energy Storage System in the 530e as well as the 740e has a code name of SP06 and a capacity of 26 Ah.
Second Gen (2019-present)
The newer SP41 high-voltage battery was installed in the G30 as well as the G12 Plug-in Hybrid Electric Vehicles starting in July of 2019. It has the same basic design as the SP06. The most significant change is the cell capacity increase from 26 Ah to 34 Ah.
Technical Specifications
| Technical data | 5 Series G30 PHEV (SP06)
-2018 |
5 Series G30 PHEV (SP41)
2019-2022 |
|---|---|---|
| Voltage | 351.4 V (nominal voltage) | 355 V (nominal voltage) |
| Voltage Range | Min. 269 V – Max. 398 V | Min. 269 V – Max. 403 V |
| Battery cells | Lithium-ion | Lithium-ion |
| Number of battery cells | 96 in series | 96 in series |
| Number of cell modules | 6 | 6 |
| Cell voltage | 3.66 V | 3.70 V |
| Capacitance | 26 Ah | 34 Ah |
| Storable amount of energy | 9.2 kWh | 12 kWh |
| Usable energy | 7.4 kWh | 10.4 kWh |
| Max. power (discharge) | 83 kW (short-term) | 83 kW (short-term) |
| Maximum power (AC charging) | 3.7 kW | 3.7 kW |
| Weight | 248 lbs (without retaining brackets) | 261 lbs (without retaining brackets) |
| Dimensions | 541 mm x 1134 mm x 271 mm | 541 mm x 1134 mm x 271 mm |
| Cooling system | Refrigerant R1234yf | Refrigerant R1234yf |
Battery Management System, BMS
There is a SimpBMS version available on GitHub called BMWPhevBMS https://github.com/Tom-evnut/BMWPhevBMS created by Tome de Bree.
Part Numbers
and here's how the six cell modules are connected together with the high voltage orange wires
#1 Part Number: 61278621016 Main Negative (runs from Cell Module #1 to the Safety Box #8 front connector)
#2 Part Number: 61278621017 Connects Cell Module #2 to Cell Module #3
#3 Part Number: 61278621018 Connects Cell Module #3 to Cell Module #4
#4 Part Number:61278621019 Connects Cell Module #4 to Cell Module #5
#? Part Number:??????????? Connects Cell Module #5 to Cell Module #6
#5 Part Number: 61278621020 Main Positive (runs from Cell Module #6 to the Safety Box #7 front connector)
#6 Part Number: 61278618444 Connects Cell Module #1 to Cell Module #2
===========================================================
#7 Part Number: 61278650791 External Connector Positive
#8 Part Number: 61278650793 External Connector Negative
Additional Resources
- More Info on BMW hybrid battery packs? can be found on the Open Inverter forum.