2023 BMW M340i — surface rust underneath a winter daily — trying to narrow this down
2023 BMW M340i xDrive, about 33,500 miles. There is early surface rust on brackets, fasteners and seams underneath, but nothing structural.
5 owner reports for this model.
BMW M340i
2023 BMW M340i — infotainment became glitchy after an OTA update
After a software update the screen occasionally reboots and one saved setting keeps resetting. Is there a normal post-update reset procedure owners should try…
2023 BMW M340i — is this actually a good used-car deal? — trying to narrow this down
The online price looks competitive, but I am trying to judge the entire deal rather than the headline number. What should I compare besides mileage, history, c…
2023 BMW M340i xDrive — cPO luxury SUV or brand-new mainstream SUV?
Budget works for either a lightly used luxury SUV or a new mainstream model with a full warranty. I'm more worried about three-to-five-year ownership cost and…
2023 BMW M340i — is this actually a good used-car deal? — anyone dealt with this recently?
2023 BMW M340i xDrive, about 16,000 miles. The online price looks competitive, but I am trying to judge the entire deal rather than the headline number. What s…
2023 BMW M340i — extended warranty on a used luxury car
2023 BMW M340i xDrive, about 38,000 miles. I am buying a used luxury car just outside factory warranty. Dealer is offering a service contract that is not cheap…
2023 BMW M340i — is this actually a good used-car deal?
2023 BMW M340i xDrive, about 51,000 miles. The online price looks competitive, but I am trying to judge the entire deal rather than the headline number.
2023 BMW M340i xDrive — project car budget is already getting away from me
2023 BMW M340i xDrive, about 8,200 miles. Bought a cheap project because the shell was solid, and now the 'small stuff' list is longer than the drivetrain list…
2023 BMW M340i — windshield replacement created a highway whistle
2023 BMW M340i xDrive, about 39,500 miles. A windshield was replaced and now there is a whistle around highway speed that did not exist before. Glass looks sea…
Battery keeps dying after two or three days parked
2023 BMW M340i xDrive, about 22,000 miles. Battery tested okay at a parts store, but if the car sits for a weekend it sometimes won't crank. Alternator voltage…
2023 BMW M340i xDrive — question: Fun daily that still works for one-car ownership
2023 BMW M340i xDrive, about 4,800 miles. I want something I enjoy on back roads but still need to commute, carry luggage and survive bad weather. Trying to av…
2023 BMW M340i — single clunk over small sharp bumps
This started as a small annoyance and I finally decided to track it down. 2023 BMW M340i xDrive, about 44,000 miles. There is one front-end clunk over pothole…
2023 BMW M340i — intermittent hesitation pulling away from a stop
2023 BMW M340i xDrive, about 10,000 miles. Every few days the car hesitates for a split second leaving a stop, then drives normally. No permanent warning light…
2023 BMW M340i — advertised price jumps thousands at the desk
The advertised used-car price was competitive, but the worksheet includes protection packages, tracking equipment and other preinstalled items that were not ob…
2023 BMW M340i — rear end still feels floaty after new shocks
Shocks were replaced and there are no obvious loose parts, but the rear still feels vague over highway undulations. What alignment, bushing, tire or installati…
2023 BMW M340i — no crank with full dash power, then it starts later
2023 BMW M340i xDrive, about 57,500 miles. Twice I have had full lights and accessories but no crank. After waiting a few minutes it starts normally. Battery t…