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Recently sorted the timing marks and required tools for BMW’s four-cylinder N46 engine.

Recently sorted the timing marks and required tools for BMW’s four-cylinder N46 engine.


1.Remove the valve cover of the engine, and then use the tool to turn the engine crankshaft. When the round holes on the irregular iron plate on the intake and exhaust camshaft adjusters are over, use the special tool on the picture (yellow tool). The black protrusions on the upper red arrow are aligned. (Do not fix the screws first!)


2. Find a small round hole on the side of the body where the body and gearbox are connected below the starter.


3. Gently turn the crankshaft to insert the special tool (note that there is only one suitable position)

4. Slowly put the special tools for the intake camshaft slowly.

5. Place the special tools for the exhaust camshaft as well.Now fix all the screws of the fixed special tool, and then hand-tighten the cylindrical screws on the special tool for fixing the exhaust camshaft to press the special tool for fixing the intake camshaft.At this time, the timing of BMW’s four-cylinder N46 engine is completely correct, and it can be used for future work.

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