P0410
Secondary Air Injection System
1992-1998 BMW 325i E36 2.5L I6 M50 🇬🇧
Moderate SeverityPowertrain
Description
Malfunction in the secondary air injection (AIR) system. This system pumps fresh air into the exhaust to reduce cold-start emissions.
Symptoms
- Check Engine Light
- Failed emissions test
- Unusual noise from AIR pump on startup
Common Causes
- Faulty AIR pump
- Check valve failure
- AIR pump relay failure
- Hose deterioration
- Blocked passages
Diagnostic Steps
- Test AIR pump operation
- Check AIR pump relay
- Inspect check valves
- Check for blocked passages
- Verify air is flowing into exhaust manifold
Repair Notes
Replace AIR pump or check valve. This system only runs briefly during cold start on most vehicles.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0410 on Other Vehicles
Common Questions
What does code P0410 mean on a 1992-1998 BMW 325i E36?
P0410 stands for "Secondary Air Injection System". Malfunction in the secondary air injection (AIR) system. This system pumps fresh air into the exhaust to reduce cold-start emissions.
What are the symptoms of P0410 on a BMW 325i E36?
Common symptoms of P0410 include: Check Engine Light, Failed emissions test, Unusual noise from AIR pump on startup.
What causes P0410 on a 1992-1998 BMW 325i E36?
Common causes of P0410 include: Faulty AIR pump, Check valve failure, AIR pump relay failure, Hose deterioration, Blocked passages.