Is my BMW M54 M52tu M56 DISA Valve Ruining my fuel economy and robbing horsepower?
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BMW M54 M52tu DISA Fix Removal repair and installing $29 Rebuild Kit From Ebay E46 E39 E53 E90 E60
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M54 Idle Control Valve Removal and Cleaning E39 E46 E53 E85
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DISA Diaphragm Repair
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Une Valve DISA MIEUX que Neuve ?! E46 M54 [Ep.4]
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Fixing DISA for $1- BMW M54 P0171 & P0174
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BMW M54 M52TU CCV PCV DELETE REMOVAL BYPASS for crank case ventilation system dual vanos e53 e46 e39
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BMW N62 Valve Seal Replacement
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