Article Abstract
- Hit 2.7 mi/kWh in regular winter circumstances, dropping to 2.4 mi/kWh in excessive chilly. That is 25-35% vary loss, precisely what BMW predicts.
- DC quick charging stretched previous an hour in brutal chilly. With preconditioning by way of the My BMW app it improves. Chicago’s charging community (Tesla Supercharger + BMW) makes it workable, although residence Stage 2 would get rid of the friction fully.
- Instantaneous warmth by way of warmth pump, good traction on all-season tires with twin motors, and an inside that really holds as much as actual household chaos.
I spent a number of weeks driving the 2026 BMW iX xDrive45 in Chicago throughout a brutal chilly snap—temps starting from -10°F to twenty°F. No residence Stage 2 charger. No preconditioning earlier than I’d head out. Principally, the worst-case state of affairs for an EV proprietor. Does it work? Yeah, it does. However there’s positively extra to unpack.
The Setup: Testing With out Shortcuts
Let’s be clear concerning the take a look at parameters. The iX xDrive45 comes with an EPA-estimated vary of 290-312 miles. That quantity exists in supreme circumstances—temperate climate, optimized driving, full preconditioning. Chicago in January doesn’t provide supreme circumstances.
For this take a look at, I drove the iX as most homeowners with out residence chargers would: no battery preconditioning earlier than departing, no magical preparation routine. The cabin was set to 70°F with seat heaters and steering wheel heating engaged—real-world consolation settings that folks really use. Tires have been HANKOOK ION EVO on 22-inch M Efficiency wheels—not probably the most environment friendly setup, however sincere illustration of how clients really spec these automobiles.
The driving combine was sensible: metropolis streets at 30-40 mph blended with freeway runs at 60-70 mph. Nothing excessive, nothing coddled. Simply regular driving in brutal chilly.
The Actual Numbers
Over seven days with the coldest climate I’ve seen in years, I used to be seeing 2.7 miles per kWh in regular winter circumstances. When it acquired actually brutal—these days when -10°F felt virtually manageable in comparison with the wind chill—that dropped to 2.4 mi/kWh. So sure, that’s roughly 25-30% vary loss. Possibly 35% on the worst days. BMW says count on 30-40% in excessive chilly, so I used to be really coming in on the higher finish of that prediction. The EPA charges this factor at round 3.5+ mi/kWh in supreme circumstances, so winter hits you, however not as laborious as I initially anticipated.
And right here’s the factor—the automotive nonetheless has sufficient vary to truly use since my each day commutes are pretty quick – round 30 miles. However your mileage may fluctuate.
Why Winter Hits EVs More durable (And Why That’s Not Evil)
Right here’s the truth that separates EV homeowners from ICE drivers: in a fuel automotive, cabin warmth is basically free. Your engine produces warmth as a byproduct of combustion. Waste warmth turns into your consolation.
In an EV, there is no such thing as a combustion. Warmth should be created, and that power comes straight from the battery. The iX makes use of a warmth pump system—extra refined than older resistance heating—however physics stays physics. Creating heat prices vary.
Add battery heating to the equation (essential for optimum charging and efficiency), and also you’re taking a look at a major draw. On quick journeys, this penalty is disproportionately extreme. Drive 10 miles in -10°F with the cabin warming up, and also you’re utilizing power for consolation {that a} fuel automotive will get free of charge.
However right here’s what no one talks about: EV heating is almost prompt. Begin a fuel automotive in -10°F climate and also you’re sitting in a freezing cabin for 30 seconds, possibly a minute, ready for the engine to heat up. Begin an iX and the cabin begins heating instantly.
Charging: The Actual Check
Right here’s the place winter EV possession will get actual. With out preconditioning, DC quick charging in -10°F is gradual. Usually I’d see 10-80% in about 32-35 minutes. In that brutal chilly? Pushing an hour straightforward. Did it smash my week? Probably not. I wasn’t doing lengthy highway journeys the place DC charging pace is crucial. I used to be doing regular Chicago driving—possibly needing 100-150 miles of vary to cowl the following few days. Getting that cost took longer, however it wasn’t a disaster.
If I’d used preconditioning by means of the My BMW app earlier than hitting a charger, it might’ve been sooner. I simply didn’t give it some thought more often than not since I wasn’t in a rush. The preconditioning characteristic positively helps—you possibly can see it making a distinction—however it requires you to be intentional concerning the course of.
Chicago’s charging infrastructure really stepped up although. Tesla Supercharger entry plus BMW’s community means choices exist. In the course of the worst chilly snaps when everybody was panicking, yeah, you’d see traces. However that’s non permanent panic.
And not using a residence Stage 2 charger, charging in winter requires planning. With one? It mainly disappears as a problem. You permit the automotive plugged in, preconditioning handles battery administration when you sleep, and also you begin every day totally charged. That’s the expertise I’m lacking right here.
The iX xDrive45 Versus Different Winters I’ve Pushed
I beforehand owned a BMW i3s and spent a number of months with an iX M60 throughout winter months. The iX xDrive45 is noticeably extra environment friendly than the i3s—that older automotive suffered considerably in chilly circumstances. Towards the M60, the xDrive45 performs barely higher, doubtless as a result of barely decrease efficiency orientation and the inherent effectivity of its powertrain configuration.
The 94.8-kWh battery helps. It’s substantial sufficient that the proportional penalty of cabin and battery heating doesn’t devastate vary the way in which it does in smaller battery packs. A 40-kWh EV may lose 40-45% of vary in brutal chilly. The iX xDrive45’s bigger capability means the share hit is actual however not crippling.
The place Winter Truly Turns into Related: Traction
I drove the iX on all-season tires in Chicago snow and ice. The HANKOOK ION EVO tires—engineered particularly for EV low rolling resistance—supplied first rate traction. Sufficient for regular winter driving. Not supreme for deliberately aggressive winter driving. Winter tire suggestions exist for a motive. Snow tires present superior grip and stopping distance on ice. However right here’s the trade-off: winter tires usually have greater rolling resistance than all-seasons, which suggests effectivity takes one other hit. It’s a alternative between vary and grip—and in true winter circumstances, grip normally wins.
The iX’s dual-motor system helps. All-wheel drive supplies inherent traction benefits that front-wheel-drive EVs don’t get pleasure from. Within the metropolis driving and freeway runs throughout this take a look at, I by no means felt the traction was compromised. Confidence remained excessive even when the highway circumstances deteriorated.
The Household Expertise
The M Sport Black Sensatec inside held up surprisingly properly regardless of touring with two toddlers and automotive seats. I used to be frightened about sturdiness with automotive seats and winter gear getting dragged by means of all of it week, however it’s high quality. The Sensatec artificial leather-based additionally doesn’t get chilly to the contact like common leather-based does in -10°F climate. That seems like a tiny factor till you’re getting within the automotive and your palms aren’t getting shocked by ice-cold materials.
The one factor that sucks in Chicago winter is the fixed inside cleansing resulting from snow, ice, salt or mud. However a small worth to pay in retaining that cabin pristine.
What Can I Do Higher?
When you’ve acquired a Stage 2 residence charger, winter EV possession will get higher. In a single day charging with preconditioning, get up to a full battery, infrastructure fills the gaps for longer journeys. The effectivity hit nonetheless exists, however you’re feeling it much less. With out residence charging? It’s essential be intentional. Route by means of chargers earlier than you’re determined, use the My BMW app to precondition earlier than you head out, settle for that some expenses will take longer than summer time.
Actual speak: if you happen to’re in Chicago with out residence charging and also you’re enthusiastic about an EV, the iX xDrive45 can work. It gained’t be as frictionless as somebody with residence charging, however it’s doable. The infrastructure exists, the automotive’s succesful, and even with out preconditioning, the real-world effectivity will get you thru regular each day driving.






