05-23-2023, 12:13 PM | #1 |
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50e Battery Hold
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05-23-2023, 12:21 PM | #2 | |
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05-23-2023, 01:57 PM | #5 |
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The distinction here is "Battery Hold" (50e) vs. "Battery Control" (45e). With Battery Control, the car would use the ICE to charge the HV battery up to the configured target % and then hold it there. With Battery Hold I believe the car will just maintain the charge, but will not actively charge using the ICE.
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05-23-2023, 02:21 PM | #6 | |
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05-23-2023, 03:33 PM | #8 |
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I assume you are referring to 50e since you mentioned battery hold. If so, then you can’t set it to any percentage. As mentioned above, 50e will maintain the battery at the current charge level when the battery hold mode is turned on. So, if you turn it on when the battery is fully charged, the car will keep charging the battery once it detects that the battery is getting discharged. Both 45e and 50e are hybrids and there is no way to force them to use ICE only as the high voltage battery is used for the HVAC functions as well for e-boost when you step on the gas.
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05-23-2023, 04:22 PM | #9 | |
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05-23-2023, 04:36 PM | #10 | ||
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05-23-2023, 04:37 PM | #11 | |
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05-23-2023, 04:40 PM | #12 | |
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05-23-2023, 04:50 PM | #13 | |
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does the 50e have an Energy Flow screen that would show this like it can on the 45e? in the case of the 45e, while in Battery Control to maintain a charge level, the screen showed the ICE cycling on and off. i would think the 50e behaves the same way. |
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05-23-2023, 04:52 PM | #14 |
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Nobody knows the algorithm for sure. We don't exactly know how fast the software would react to battery discharging but the ICE will definitely run more often and probably at higher RPM when the battery hold is on and the battery starts discharging.
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05-23-2023, 05:36 PM | #15 |
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Correct me if I'm wrong, but in Sport mode ICE runs all the time. However, it runs at a higher RPM than in a normal driving mode. Will "sport individual" allow the ICE to run at a lower RPM? I'm thinking that on long trips it would be my preference to let the ICE run constantly, but not at the higher sport RPMs.
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05-23-2023, 05:50 PM | #16 | |
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05-23-2023, 05:57 PM | #17 |
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There is no reason for the ICE to run faster when in battery hold mode (the LOAD on the ICE would increase as it's needing to both move the vehicle while dealing with the batteries' charge)...the connection to the transmission is identical. But, the EV motor can be switched to alternator mode any time power for the batteries may be needed...that may or may not result in an increase of charge, as the power may essentially just go through the DC-DC converter to keep the rest of the X5's 12vdc systems functioning.
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05-24-2023, 04:14 PM | #18 |
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Both features (50e and 45e) is overrated for a non-EU car IMO. Just.let the car do the thinking for you
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05-24-2023, 06:42 PM | #19 | |
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I think the new electric motor package doesn’t have the necessary hardware to sustain the load (0 to 100%) of charging batteries I think is a step down. Functions should be added not taken off. Same with memory buttons and so many |
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05-24-2023, 08:25 PM | #20 | |
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05-24-2023, 08:34 PM | #21 | |
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While recovering the battery level is a big energy hit, holding it is only a minor impact. |
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06-06-2023, 03:41 PM | #22 |
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We just got back from a road trip from Toronto to New York and I wanted to share with you my first experience with the X 5 45e on an extended road trip.
Overall, the trip was great and we followed a pattern we have done before, ie. drive to the Village of Tarrytown north of NYC, on the Metro North train line. One day’s drive to Tarrytown with overnight stay, take the train in for two nights in Manhattan, and then back to Tarrytown for some time in Westchester and drive home the following day. Here’s what I learned about the BMW 45e hybrid. When we started the drive I chose Hybrid mode used the Battery Control function to keep it at the default level of 80%. I kept it there and "just drove car" in Hybrid mode. The car briefly started in electric mode and switched to gas as we hit the highway. In a short period of time the battery charge level dropped to 40 km (ie. 80%) and stayed there. We made a few stops along the way, and occasionally I forgot to hit the Battery Control button again, but the regenerative capabilities of the vehicle quickly moved it back up to 40 km. When we arrived in Tarrytown, I switched off Battery Control and drove around in electric mode. I was tracking the gas usage manually, but the car will do the same thing with some reliability on an extended drive and it registered that we averaged of 8.8 litres/100 km, which Google translated to almost 27 MPG US gallon. Not bad for a 5700 lb vehicle. |
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