Vent tube between intake plenum and bank A valve cover developed a crack. Verified concern ISTA/D tests indicated a mixture fault in bank 1(A) FC29EO SIB 12 05 10 available for this concern. Performed smoke test through the bank 1 intake track. Found small leak from under the intake plenum. Removed the plenum and found crack in the vent pipe between the valve cover and intake charge tube to the turbo inlet. As per FSE replace all the intake related parts.

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Current:
2016 X6 ///M Black Sapphire Metallic