"Is the 1 Serisi 135is reliable, and what should you check?"
When buying a used BMW 1 Series 135is 2013 (E82 / E88 / Facelift / 2), the most frequently mentioned issues: bearing wear and oil pressure problems; Vanos/Valvetronic and auxiliary components prone to failure. Also, high-pressure fuel pump and injectors are commonly reported.
Engine: N55
N55B30 · 135is · Used in this car from 2012-2013
Strengths
Engine is widely used
Good potential for chip tuning
Watch-outs
Frequent vacuum leaks
Oil and coolant leaks
Some parts are very expensive
Known engine issues
Injectors and High-Pressure Fuel PumpEarly production engines used a short-lived HPFP from the predecessor, causing many issues. A more reliable pump appeared only in March 2012. Injectors were electromagnetic from the start and have no particular problems.
TurbochargersThe BorgWarner turbo lasts long with regular quality maintenance. Main owner complaints are about rapid wastegate valve wear and actuator failure (both versions).
Timing ChainThe chain itself has decent life, stretching after 200,000 km. However, its plastic guides are very sensitive to overheating and can crack. Engines before 2012 often had bolts shearing on VANOS units.
Listed from most frequently reported, each with its source.
Bearing wear and oil pressure problems; Vanos/Valvetronic and auxiliary components prone to failure
Often reported
Technical discussions and workshop cases report abnormal bearing wear and micro-particles in oil on some N55 engines; this may be related to oil circulation/pressure issues or internal component wear. Additionally, the N55 engine has complex systems (Vanos, Valvetronic, electronic actuators) that can fail if not properly maintained or under high temperature/heavy conditions.
Engine Internal
High-pressure fuel pump and injectors
Often reported
High-pressure fuel pump (HPFP) and injector failures are frequently reported on the 3.0 N55 engine.
Fuel System
Rattling and wastegate/turbo failures
Often reported
Many users of the 3.0 N55 engine report a characteristic metallic rattle from the turbocharger. This is often caused by play or wear in the wastegate actuator or internal turbine issues.
Turbo
BMW 1 Serisi 135is technical specs
BMW 1 Serisi 135is (2013): boot 370 L; fuel use şehir 11.8 l/100 km · şehir dışı 8.4 l/100 km.
What to look for when buying a BMW 1 Series 135is?+
When buying a 2013 135is, check service history, test drive, and look for engine/transmission warnings. Most commonly reported issues: bearing wear and oil pressure problems; Vanos/Valvetronic and auxiliary components prone to failure; high-pressure fuel pump and injectors; rattling and wastegate/turbo failures.
What are the common problems of the BMW 1 Series 135is?+
Most frequently reported issues: bearing wear and oil pressure problems; Vanos/Valvetronic and auxiliary components prone to failure; high-pressure fuel pump and injectors; rattling and wastegate/turbo failures.
Is the BMW 1 Series 135is reliable?+
Rather than a simple yes/no, it's best to weigh 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 the Difetti fault database; compatibility of brand, fuel, engine, and generation between source and target vehicle is verified. Topics with insufficient evidence are not shown.