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BMW S54 DUAL VANOS REBUILD
®
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Step 9:
Step 10: 5mm Allen (Hex Bit)
There is a hole in each camshaft between cylinders 2 and 3. When both
cams are fully retarded, the holes will be facing upward in approximately a
90 degree angle to the cylinder head.
Remove the two screws and lift off the cam chain guide.
SECTION 3A: PISTON HOUSING REMOVAL