2018 BMW 340i recalls and problems

The 2018 BMW 340i has 1 safety recall and 3 owner complaints filed with NHTSA. Recall repairs are free at any BMW dealer.

Recalls
1
Complaints
3
Crashes / fires
0 / 1
Injuries / deaths
0 / 0

Recalls may cover only some 2018 BMW 340i vehicles. Check your VIN at NHTSA ↗ to see open recalls for your exact car.

2018 BMW 340i recalls

Recall 18V-465: Engine and Engine Cooling

Reported Jul 11, 2018 · 5,309 vehicles affected · BMW of North America, LLC

Problem: BMW of North America, LLC (BMW) is recalling certain 2018 BMW 540d xDrive vehicles. The crankshaft sensor may be equipped with incorrect firmware, preventing the sensor from properly processing input from the crankshaft reluctor ring, possibly resulting in a vehicle stall. On September 12, 2018, BMW expanded the recall to a total of 5,309 vehicles including certain 2018-2019 BMW 540d xDrive, 230i M240i, M240i xDrive, X2 sDrive28i, X2 xDrive28i, X1 sDrive28i, X1 xDrive28i, 330i, 330i xDrive, 340i, 340i xDrive, 330i xDrive Gran Turismo, 530i, 530i xDrive, 540i, 540i xDrive, 530e, 530e xDrive, 640i xDrive Gran Turismo, 330e, 2019 430i Gran Coupe, 430i xDrive Gran Coupe, 440i Gran Coupe, 440i xDrive Gran Coupe, 430i, 430i xDrive, 440i, 440i xDrive, 740i, 740i xDrive, MINI Cooper, Cooper S, JCW, MINI Countryman (Cooper, Cooper All4, Cooper S, Cooper S All4, JCW All4), and MINI Clubman (Cooper, Cooper S, Cooper All4, Cooper S All4, JCW All4) vehicles.

Risk: A vehicle stall can increase the risk of a crash.

Fix: BMW will notify owners, and dealers will replace the crankshaft sensor, free of charge. The recall began September 6, 2018. Owners may contact BMW customer service at 1-800-525-7417.

2018 BMW 340i problems reported by owners

Problem areaReports
Engine2
Fuel/Propulsion System1

Typical mileage at the time of the problem: 20,000 miles (median of owner reports).

Problems that are not covered by a recall are paid repairs; labor rates follow local mechanic pay — see what auto mechanics earn in each state.

Recent 2018 BMW 340i complaints

Owner reports filed with NHTSA, as written (personal details removed). Complaints are not verified by NHTSA.

Engine · reported Oct 26, 2023
The radiator failed due to rocks flying through the grill and smashing the radiator causing coolant to flow out of the radiator which could cause deadly issues if a car has no coolant while operating. Bmw knows this is an issue and refuses to warranty/recall the parts. They know its an issue because after 12/17 every 340i came with a rock guard to protect the radiator but every car before that was just left to be victim of a potentially deadly situation including mine (manufactured 10/17). Bmw refuses to acknowledge the problem but the addition of the rock guard to cars after 12/17 should be…
Engine · at 20,000 miles · reported Mar 8, 2021
Returning from a local grocery store I drove into our garage and shut off the engine. Immediately I heard a loud pop from the engine compartment, like from a firecracker, and I saw black smoke coming from the hood and from the left wheel well. I immediately tried to restart the car to drive out of the garage. Nothing worked so I pushed the car out of the garage by hand and released the hood latch. By now the hood's external safety latch was so hot I could not release it. With the hood closed, I was unable to extinguish the engine fire using a 15 lb co2 and a 5 lb abc extinguisher. The city…

Other BMW 340i years

Compare all BMW 340i years · All BMW models

Frequently asked questions

Does the 2018 BMW 340i have any recalls?

Yes — NHTSA lists 1 recall for the 2018 BMW 340i: 18V-465 (engine and engine cooling). Not every vehicle is affected, so check your VIN at nhtsa.gov/recalls.

What is the most common problem with the 2018 BMW 340i?

Owners report engine problems most often (2 reports), followed by fuel/propulsion system (1). The typical mileage when problems were reported is about 20,000 miles.

Are BMW recall repairs free?

Yes. Safety recall repairs are free at authorized BMW dealers, whether you are the first owner or bought the car used.