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What does code P0410 mean on a BMW and is it safe to drive?

P0410: Secondary Air Injection System Malfunction. Here's what it means on your BMW, what usually causes it, what repairs typically cost, and how safe it is to keep driving.

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What this code means

The secondary air injection system, which pumps fresh air into the exhaust on cold starts, is not working correctly.

Common causes for your BMW

  • Failed air pump
  • Stuck or leaking one-way check valve
  • Clogged or rusted air injection pipes

Symptoms

  • Check Engine Light
  • May fail emissions or show high cold-start emissions

Typical fixes

  • Replace secondary air pump
  • Replace check valve
  • Clean or replace corroded piping

Repair cost range

For a BMW, repairs for P0410 often fall between $250 and $900, depending on the cause and whether you use OEM or aftermarket parts. Labor rates vary by location.

Known issues on BMW

BMW P0410 is extremely common on E46 and E39 models. The secondary air pump and combi valve both fail frequently. The combi valve is inexpensive and often resolves P0410 without replacing the pump—test both separately to isolate the fault.

Most commonly affected models

3 Series E46 1999–20055 Series E39 2001–2003X5 E53 2000–2006

Browse P0410 on your BMW by model year

Year-specific guides include BMW-tailored causes and repair costs.

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