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Battery OEM BMW or OEM Subaru
Reviews
I'm 2+ years and 47,000 miles in to the factory battery and haven't had an issue.
Pros: no issues, good lifespan
Vehicle:
Subaru Outback
Mileage: 47000 km
Couldn’t believe it lasted that long.
Pros: lasted long
Vehicle:
Subaru Outback
3yrs in on my 22 XT ,still good
Pros: still good
Vehicle:
Subaru Outback
If you really want to buy this one (I find the price quite high, but I don’t know the specific market in Norway), buy an OBD adapter and EVScanner app on iOS with the BMW module. You can check the SOH of the battery and the general state of it as the replacement could be quite costly (around 1500 per module and you could have to replace up to the six if all fail or the BMS). I’d guess the SOH would be at best around 85%, maybe less. The engine itself is pretty reliable as it’s a detuned B48 from the 330i. Go to the infotainment and check the stats from factory and the percentage of eDrive kilometers (full electric) compared to the total kilometers, it would give you an idea of how the car was used and how much charging it got. This specific model of car is great to drive if you can charge everyday and you drive mainly short distances. I do around 80 km daily, almost all highway and my average consumption on those drives is 3.5 liters and 10 kWh/100, so it’s about 2/3 of the cost of my previous car, while beeing a lot better to drive. I’d still buy a 320 or 330i instead because there will be less things that could fail and I would probably not want to get such a high mileage PHEV without knowing how it’s been previously used. Source: I have a 330e from 2021 with 112k km and the SOH of the battery is 90% with around 1400 cycles. Average consumption since factory is 4.9 l/100 km and about half of the distance have been made fully electric.
Pros: great to drive, good fuel economy
Cons: high price, costly battery replacement
Vehicle:
BMW
Mileage: 112000 km
I took a drive in my i4 a couple of weeks ago that estimated I'd get home with 4% battery. Guess what I rolled into the garage with..... 4% battery. These modern systems are pretty damn accurate.
Pros: pretty damn accurate
Vehicle:
BMW
My 7.5 yr old Forester is still on the original battery. I did need a jump a couple weeks ago after sitting with the lights on for a half hour, which was weird, but it's been fine since
Pros: long lifespan
Cons: needed jump once
Vehicle:
Subaru Forester
The battery lasted about two years. I had a company car at the time and only drove the BMW on my days off, and didn't drive long or far. The short, infrequent drives basically never allowed the battery to completely charge, resulting in it's early death.
Cons: early death, lasted two years
Vehicle:
BMW
Dealer measured my 2021 m340xi battery at 700cca last week under load test (vs 850 cca capacity) and said battery needed to be replaced. Terminal was stamped 26th week of 2020.
Cons: needed replacement, low CCA
Vehicle:
BMW
My OEM battery died in 17 months. Their replacement OEM battery died in three months.
Cons: died in 17 months, replacement died in 3 months
Vehicle:
Subaru
Battery died last month at 39,000 miles.
Cons: died at 39,000 miles
Vehicle:
Subaru Outback
Mileage: 39000 km
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