64 12 750 Removing and installing/replacing auxiliary water pump for latent heat accumulator

WARNING: This page is about a different car, the 2003 BMW 525i, 2002 BMW 525i, and 2001 BMW 525i. However, it is still accessible from the selected car via links, so may be relevant.

Remove left front wheel and left wheel arch trim. See 51 71 040 REMOVING AND INSTALLING/REPLACING FRONT LEFT OR RIGHT WHEEL ARCH COVER

If necessary, remove plastic cover from valve unit

Disconnect hoses (1), unfasten hose clip (2) and pull off hoses.

Fig 1: Releasing Hose Clip & Removing Hoses

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Pull off connectors.

Fig 2: Removing Connectors

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Slide valve unit upwards and lift forwards to remove.

Fig 3: Removing Valve Unit

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Installation:

Attach rubber mount of valve unit to the guide and press downwards to remove.

Fig 4: Installing Valve Unit

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Unfasten hose clip and pull off hose.

Fig 5: Releasing Hose Clip & Removing Hose

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Unfasten hose clip and pull off hose.

Loosen screw and pull out auxiliary water pump and hose clip.

Installation:

After completion of repair work, bleed the latent heat accumulator,

refer to 64 12 VENTING LATENT HEAT ACCUMULATOR (LWS)

Fig 6: Removing Auxiliary Water Pump & Hose Clip

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