DIY Valve Spring Compression Tool by MM

for BMW M42, M50, M50tu, S50, S52, & M54 engines

Using the Metric Mechanic valve spring compression tool enables one to remove and install the valve train (valve retainers, keepers, springs, perches, & valves) from any 4 valve BMW hydraulic lifter bucket head in a simple, very fast manner. The first time the tool is used, it more than pays for itself. 

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