2018 Bmw 340i problems, complaints & recalls
Most-reported problem areas: Engine (2) · Fuel/Propulsion System (1)
Safety recalls (1)
Engine And Engine Cooling:engine 2018-07-11 · campaign 18V465000 · 5,309 vehicles
Defect: 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,
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.
Service bulletins (80)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Engine 2026-05-05 · B010224 · Warranty Program/Extension
the evap systems purge (vent) valve limited warranty for defects in materials or workmanship has been extended to 15 years / 150,000 miles as determined from the original in-service date.
Visibility:power Window Devices And Controls 2024-01-16 · B510819 · Service Bulletin/Repair Instructions
the basic conditions for initializing the power windows are not met.
Electrical System 2024-01-11 · B611305 · Service Bulletin/Repair Instructions
the electrical system of bmw vehicles has been subject to an ongoing development process over the last few years. this has led to increased demands being placed on the battery. this document covers important information for the dealer on how to handle ã¢ââdischarged batteryã¢ââ complaints.
Engine And Engine Cooling 2023-11-16 · B010919 · Service Bulletin/Repair Instructions
diesel fuel injectors: ltd wty extension to 10 years/120,000 miles
Engine And Engine Cooling 2023-11-13 · B011423 · Service Bulletin/Repair Instructions
pressure control valve (pcv) extended ltd wty 15 years/150,000 miles
Engine And Engine Cooling 2023-11-09 · B120721 · Service Bulletin/Repair Instructions
check control message (ccm) indicates: (id 213): stop, exercising due care. voltage supply the service engine soon light is on with the following dme fault code: 21b209 - starter alternator / belt for 48v system (osa_riemen_riss): belt betweencombustion engine and starter generator torn and/or o
Showing the 6 most recent of 80 bulletins. Search all of them free at nhtsa.gov.
What owners report
2023-10-26 · Engine“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 …”
2023-04-22 · Fuel/Propulsion System“fuel tank filler hose collapse - unable to refuel and vehicle remains stranded. …”
2021-03-08 · Engine · 20,000 mi · 🔥 fire“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 o…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.