| Supercharging air refrigeration (Charge air cooling): Assembly overview; Vehicles with engine code BMN |
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| Before testing or repairing, ensure the correct seating and sealing of all hoses and pipes. |
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| The supercharger air system hoses are secured using elastic spring type clips or couplings. Observe the assembly instructions → Chapter |
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| The sleeves for the hoses and the supercharger air flow tubes should be free of oil and grease before fitting. |
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| The supercharger air system should not leak |
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| Secure all hose connections with the correct hose clips (same as original equipment) → Parts catalogue. |
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