• An assistant to remove / install the spring on the cylinder head of camshaft.
• BMW (N42/N46/N46T) SPRING REMOVAL / INSTALLATION PLIERS
• Open A1156-12 carefully, unloaded the spring and take it off.
• Close A1156-12 to tighten the spring while installing it. Then match the bolt to hole, and locked.
• Application: BMW N42 / N46