11 72 060 Removing and installing/replacing both secondary-air valves (S65)

WARNING: This page is about a different car, the 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Carry out system test: secondary air with BMW diagnosis system.
Disconnect battery at negative lead. See 61 20 900 DISCONNECTING AND CONNECTING BATTERY NEGATIVE LEAD .
Remove left exhaust manifold. See 18 40 010 REMOVING AND INSTALLING/REPLACING LEFT EXHAUST MANIFOLD (S65) .
Remove right exhaust manifold. See 18 40 020 REMOVING AND INSTALLING/REPLACING RIGHT EXHAUST MANIFOLD (S65) .
Remove secondary-air pump .
Unfasten engine wiring harness partially and lay to one side. See 12 51 001 REPLACING WIRING HARNESS SECTION FOR ENGINE (S65) .

Removing secondary-air valve, bank 1:

Unscrew nuts (1).

Remove secondary-air valve (2).

Installation:

Clean sealing surfaces.

Replace seal.

Fig 1: Identifying Secondary-Air Valve And Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Removing secondary-air valve, bank 2:

Unscrew nuts (1).

Remove secondary-air valve (2).

Installation:

Clean sealing surfaces.

Replace seal.

Fig 2: Identifying Secondary-Air Valve And Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Carry out system test: secondary air.