A8 Quattro Sedan V8-4.2L (BGK) (2006)
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Fit the Protective Cap For Cable Connector (VAS 6223/9) - 1 - on to the MOST-Bus connector - 2 -.
Installing
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Install in reverse order.
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Make sure that Digital Sound System Control Module (J525) engages correctly into retaining springs - arrows - on rear bracket.