Driver's Frontal Air Bag Inflator

Two critical recalls address potential rupture or explosion of the driver's frontal air bag inflator module due to internal pressure or propellant degradation. This is a critical safety component. Estimated repair cost: $500 - $1,500 (if not covered by recall).

The twin-turbocharged engine can experience wear on the turbochargers, leading to reduced performance or failure. Issues can stem from oil supply problems or general wear and tear. Estimated repair cost: $1,500 - $3,000.

The plastic components in the cooling system, such as the expansion tank and coolant hoses, can become brittle with age and lead to leaks. Estimated repair cost: $400 - $1,000.

CARFOCALvehicle research

2013 BMW 135i Maintenance guide

Name: Maintenance dataset for 2013 BMW 135i
Creator: Carfocal

v1.0Updated Jul 4, 2026Ryan Davis4 Sources Analyzed2 Critical Recalls

MAINTENANCE SUMMARY

The 2013 BMW 135i, with an average reliability verdict, requires diligent attention to its service schedule, particularly concerning the critical airbag inflator recalls and a high TSB count. Proactive inspection of the driver's frontal airbag module is paramount.

View Critical Issue: Turbocharger Issues

Subscribe to Recall Alerts Subscribe to Recall Alerts

Reliability Score

Est. Annual Maintenance Cost

$600 - $1,200

TSBs & Recalls

72 TSBs | 2 Recalls

CarFocal account required

Unlock the Full 2013 BMW 135i Maintenance Guide

Create a free account to reveal the full service schedule, repair costs, and deeper diagnostic data.

Key Takeaways

Prioritize verification of critical airbag inflator recalls.
Adhere strictly to the 10,000-mile oil change interval with synthetic oil.

2 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance