Table of contents: Removal ↓ Installation ↓
From 3.90 onwards, a dust filter is optionally installed. The filter should be replaced regularly. It can also be installed additionally.
Removal
Remove the waterproof casing cover.
Remove filter "A".
Installation
Check the sealing cord between the waterproof casing and the car for damage. Replace if necessary. Otherwise, water may get on the filter.
Check the drain hole and clean if necessary.
Check the condition and position of the sealing cord on the filter housing "B".
Insert a new filter and put on the cover.
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