"Is the 3 Serisi 325li reliable, and what should you check?"
When buying a used BMW 3 Series 325li 2022 (G20 / G21 / G80), the most frequently mentioned issues are: faulty plastic oil filter housing and worn engine mounts. Also, the cooling system: expansion tank and pumps are commonly reported.
Engines available in this year
Engine varies by trim; verify the engine code on the listing.
B48B20C
325li · 325Li (184 bg) xDrive Steptronic
B48B20
325li · 325Li (184 bg) xDrive Steptronic
Known issues and risks
Listed from most frequently reported, each with its source.
Faulty plastic oil filter housing and worn engine mounts
Often reported
The plastic oil filter housing is a weak point; cracks, breakage, or leaks in the connecting elements are reported. Some recommend replacing it with an updated aluminum version. Additionally, some G20 owners report premature wear of engine mounts, causing vibrations during deceleration/acceleration and a 'thump' feeling in torque transmission.
Engine Bay
Cooling system: expansion tank and pumps
Often reported
Italian forums report cooling system anomalies including leaks from the radiator expansion tank, faulty cap/expansion tank, water pumps, and thermal components, requiring repair.
Cooling
Oil leaks from valve cover gaskets and seals
Often reported
Frequent oil leaks from the valve cover, gaskets, and filter ring seals are reported.
What should I look for when buying a BMW 3 Series 325li?+
When buying a 2022 model 325li, check the service history, test drive, and look for engine/transmission warnings. The most commonly reported issues are: faulty plastic oil filter housing and worn engine mounts; cooling system: expansion tank and pumps; oil leaks from valve cover gaskets and seals.
What are the chronic problems of the BMW 3 Series 325li?+
The most commonly reported issues are: faulty plastic oil filter housing and worn engine mounts; cooling system: expansion tank and pumps; oil leaks from valve cover gaskets and seals.
Is the BMW 3 Series 325li reliable?+
Rather than a simple yes/no, it's better to consider the proven pros and cons together. This page lists 3 verified findings.
How does Carbeak collect data?+
The cards on this page are derived from Difetti fault database records; the source vehicle is verified for brand, fuel, engine, and generation compatibility with the target vehicle. Topics with insufficient evidence are not shown.