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. 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 SP06 has a capacity of 26 Ah.
Second Gen (2019-present)
The SP41 high-voltage battery was installed in the G30 Plug-in Hybrid Electric Vehicle 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 | |
| Capacitance | ||
| Storable amount of energy | ||
| Usable energy | ||
| Max. power (discharge) | ||
| Maximum power (AC charging) | ||
| Weight | ||
| Dimensions | ||
| 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.