2017 BMW 330I engine problems
20 owner complaints filed with NHTSA name the engine on the 2017 BMW 330I — 49% of all complaints for this model year.
What owners report
“The cooling system is continually failing prematurely. Parts that should be lifetime are needing to be repaired below 100K miles. I have had to repair the following cooling system related items that should be under recall and are not Oil filter housing Thermostat housing Turbo coolant lines Water…”
filed Nov 21, 2025
“The Oil Filter Housing (OFH), the Coolant/Water Pump, and other plastic lines for the cooling systems are well known to fail with this engine early in their lifetime. My service advisor at BMW said, "these are very common issues for a B46 engine.". The Motor Mounts also are extremely prone to…”
filed Sep 30, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
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.
B010224 · Warranty Program/Extension · issued May 5, 2026For this vehicle, the EVAP systems purge (vent) valve limited warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles, from the original 10 years/120,000 miles, as determined from…
B010419 · Warranty Program/Extension · issued Sep 16, 2024Diesel fuel injectors: ltd wty extension to 10 years/120,000 miles
B010919 · Service Bulletin/Repair Instructions · issued Nov 16, 2023Pressure control valve (pcv) extended ltd wty 15 years/150,000 miles
B011423 · Service Bulletin/Repair Instructions · issued Nov 13, 2023
Engine problems in other 330I years
| Year | Reports | Share |
|---|---|---|
| 2021 330I | 8 | 28% |
| 2020 330I | 18 | 35% |
| 2019 330I | 8 | 20% |
| 2018 330I | 12 | 38% |
| 2006 330I | 16 | 7% |
| 2005 330I | 1 | 4% |
| 2002 330I | 1 | 2% |
| 2001 330I | 2 | 2% |
Other reported problem areas on the 2017 BMW 330I
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.