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Valve Cover Bolt Seal Washers
300 degree version
Download PDF Instructions here
0l VANOS for a professional rebuild with all new high-quality Teflon seals
Rebuilt DISA Valve Engine Type:M54 2.2l & 2.5l Valve Cover Bolt Seal WashersPrice: $275 (plus a refundable $50 core deposit) The DISA valve is a common failure on the M54 BMW engines and is caused by the poor materials used in the manufacturing process in a couple of the key valve components. The three parts of the DISA are the flat plastic flapper valve, the bell crank lever that rotates the flapper, and the vacuum pot, all made of glass reinforced nylon. This construction of glass and nylon is what primarily creates failure