S4 Quattro Cabriolet V8-4.2L (BHF) (2008)
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Remove connector - 2 - at edge connector.
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Remove electrical wiring harness - 1 -.
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Release catches - arrows - and remove additional relay carrier in E-box upward.
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Remove engine wiring harness together with rubber grommet from notch in E-box.
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Remove bolts - arrows - and lift E-box - 1 - out.
‹› While performing the following work, make sure that no brake fluid comes into contact with plenum chamber or with transmission below. If this