2018 BMW 340I Problems, Complaints & Recalls
- Compared with other 340I years
- Not enough data 3rd of 6 for complaints
- Safety recalls
- 1 recall: check your VIN
- NHTSA crash rating
- Not rated
Owners have filed 3 complaints with NHTSA about the 2018 BMW 340I. That ranks 3rd out of 6 340I model years for complaints. The most reported problem area is engine (2 complaints, 67%), typically at around 20,000 miles. Complaints mention 1 fire. There is 1 safety recall covering this model year. NHTSA has opened 1 defect investigation involving it.
- 3owner complaints
- 1safety recalls
- 1NHTSA investigations
- 0complaints mentioning a crash
Complaints are unverified owner reports and are not adjusted for sales volume.
Most common 2018 BMW 340I problems
Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.
| Problem area | Complaints | Share | Median miles | Owners mention most | Typical repair cost |
|---|---|---|---|---|---|
| Engine | 2 | 67% | 20,000 | — | — |
| Fuel/propulsion System | 1 | 33% | — | — | — |
One complaint can list several problem areas, so shares can add up to more than 100%.
Complaints by year received
2018 BMW 340I recalls (1)
Tap a recall to see the problem, the risk and the fix.
Engine and engine cooling:engine
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.
To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.
NHTSA defect investigations
- Desiccated Air Bag Inflator Rupture (EA21002) — opened Sep 17, 2021, still open.
Recent owner reports
Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.
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…
Fuel Tank Filler Hose Collapse - unable to refuel and vehicle remains stranded.
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…
Other BMW 340I years
See all BMW 340I problems by year, every BMW model, or the BMW VIN decoder.
Similar BMW models
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Frequently asked questions
What are the most common problems with the 2018 BMW 340I?
Owners most often report engine, fuel/propulsion system problems. The top one, engine, accounts for 2 complaints.
Was there a recall on the 2018 BMW 340I?
Yes, 1 safety recall. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.
Was the 2018 BMW 340I a good year?
Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other 340I model years, the 2018 has too little data to compare. Always get a pre-purchase inspection and check the VIN for open recalls.