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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
S50 ('95 M3)
Fits all models -
Get optimal performance when upgrading your vanos by replacing your spark plugs
You can test your solenoids using ISTA+ or INPA to see the quality
Highly recommended for '99 model year engines
NEW Upgraded DISA Valve Engine Type:M54 3.0l / M56 2.5l S50 ('95 M3)The DISA valve is a common failure on the M54 and M56(ULEV) BMW engines and is caused by the poor materials used in the manufacturing process. The three parts of the DISA are the 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 points. The symptoms of a worn DISA valve include rough idle, lean engine codes and
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