2018 Bmw 320i problems, complaints & recalls
Most-reported problem areas: Electrical System (3) · Vehicle Speed Control (2) · Power Train (2)
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (94)
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.
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
Electrical System 2023-05-01 · B651523 · Service Bulletin/Repair Instructions
after programming the head unit (hu-h2), activating the fsc (german word freischaltcode) enabling codes repeatedly fails.
Showing the 6 most recent of 94 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-07-27 · Chest Clip, Buckle, Harness“after tightening the harness, the straps slip and loosen completely on their own without pressing the release button. this happens due to normal movement while driving, leaving my child completely unrestrained and unprotected. i have already followed the manufacturer guidelines to thoroughly clean the adjuster mechanism and the strap area with war…”
2026-01-13 · Service Brakes, Hydraulic · 72,000 mi“the contact owns a 2018 bmw 320i. the contact stated that while the vehicle was parked, the vehicle unexpectedly started rolling forward. the brake pedal was depressed; however, the brakes failed to immediately respond. the contact stated that the vehicle eventually came to a stop. the contact referenced an unknown recall for the failure, but the v…”
2025-11-18 · Steering · 💥 crash“on 09/16/25, i was exiting the florida turnpike onto sawgrass highway via the exit ramp on exit 71. as i decelerated from 60 mph to 35 mph to match the speed of the exit ramp, i was in the left most lane in the two-lane exit ramp. my car spun out and i lost control of the vehicle, which caused the vehicle to spin through the two lanes of the ramp s…”
2025-11-04 · Fuel System, Diesel · 84,000 mi“the contact owns a 2018 bmw 320i. the contact stated that while driving 55 mph, the vehicle failed to accelerate as intended while depressing the accelerator pedal. the message engine coolant system, coolant pump outside of speed tolerance" and code 20a701 was displayed. the contact stated that the vehicle failed to accelerate, and the contact drov…”
2025-09-23 · Fuel/Propulsion System“• what component or system failed or malfunctioned, and is it available for inspection upon request? the plastic fuel tank failed and developed a leak. yes, the tank is available for inspection upon request. • how was your safety or the safety of others put at risk? a leaking fuel tank poses a serious fire and explosion hazard, especially when the…”
2025-05-11 · Engine“was simply driving my vehicle to work. it started overheating parked it right away before it got worse as the car alerted had it towed to a shop. the shop informed me that the motor was blown in the pistons went through the motor something with the oil the mechanic and i were looking further into this and it looks like my make and model in year had…”
2024-12-09 · Air Bags“my passenger airbag sensor malfunctioned and the repair is over two thousand dollars. the car is only 6 years old and i believe airbags should last longer than 6 years. bmw has extended warranties for airbags on some models (mine not included) for 15 years without mileage limitation. if a collision occurs, my passenger would be in extreme danger.…”
2024-11-12 · Fuel/Propulsion System“gas tank began leaking from top of blind flange, similar to other extended warranties (sib 01 03 22 and sib 01 07 22). bmw is refusing to cover my specific model year (i have sent letters requesting reimbursement and called multiple times). it created an explosion hazard in my garage. had mechanic repair, i do not have part. cost $2,000 for new…”
2024-08-07 · Power Train“my 2018 bmw 320 stalls and cuts off when i come to a stop. very dangerous. it has cut off in the middle of the road. i have checked online to see if this is a common issue. other bmw owners have reported this same issue. there has been a recall on other bmw models with this same issue from 2014-2018 for fuel system and fuel pump that may cause this…”
2024-01-18 · Electrical System“the electrical call system malfunctions. i’ve done extensive research and actually confirmed with garret today at a&l bmw that there is a problem in the manufacturing of the shark fin. the gasket that bmw uses does not hole up and the sealant does not keep water from leaking into the fin. every time it rains/snows or the vehicle is wet the system m…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.