2022 BMW 2 Series Problems: 4 Known Issues

On the 2022 BMW 2 Series, nHTSA recall campaign 25V636 covers roughly 196,000 BMWs and Toyota Supras, but only one 2022 230i Coupe (built June 23, 2021) is in the recall population. Water can reach the engine starter's electrical relay and corrode it. Corrosion raises resistance at the relay contacts, which generates heat; in some cases the corrosion can lead to a short circuit and overheating of the starter. BMW and NHTSA state this can cause a thermal event either while driving or with the vehicle parked and the ignition off, which is why NHTSA issued a park-outside advisory. Owners may also see intermittent no-crank/no-start behavior as an early symptom of the same corrosion. The remedy is a redesigned starter, not just a relay.

On the 2014-2025 BMW 2 Series, every US 2 Series engine (N20, N26, N55, B46, B48, B58) is direct injected, so no fuel washes over the back of the intake valves. Oil vapor from the crankcase ventilation system and EGR-side carbon bake onto the valve stems and ports, progressively choking airflow and disturbing the intake charge. Owners report the classic pattern: rough cold idle, hesitation on tip-in and between roughly 1,500-2,500 rpm, hard hot restarts, and eventually cylinder-specific misfire codes that do not resolve with coils and plugs. Deposits are usually meaningful by 60,000-80,000 miles and severe by 100,000, and are worse on short-trip and city-driven cars. It is frequently misdiagnosed and treated with repeated coil/injector replacement before anyone pulls the intake manifold and looks.

On the 2014-2023 BMW 2 Series, bMW 2 Series models with N20, B46, and B48 engines commonly develop oil leaks from valve cover gaskets and oil filter housing gaskets. The plastic valve cover warps from heat cycles, causing gasket failure and oil leakage onto the exhaust manifold. The oil filter housing, which bolts to the engine block with its own gasket, also develops leaks. These are wear items that typically fail between 60,000-100,000 miles. Oil drips onto hot exhaust, causing burning smell but rarely major issues if addressed promptly.

On the 2017-2025 BMW 2 Series B48, the B48 four-cylinder turbo engine in the 230i and 228i Gran Coupe suffers from coolant loss, often traced to the plastic coolant expansion tank cracking under pressure. The tank develops hairline cracks at the seams that are difficult to see visually. Coolant can also leak from the electric water pump connection and coolant hose quick-connect fittings that become brittle with age.