This long and skinny E12 1/2" socket will allow you to tighten or unbolt cylinder head bolts without removing camshafts / camshaft trays.
Tested with BMW M42-M44 and M50-M52-M54 series engines
Brand new socket made in Germany
( Interchangeable BMW OEM tool part number 83300490856 )
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Shipping worldwide by priority air mail (tracked & signed)
Delivery in Europe ~ 4-10 business days
Delivery to other continents ~ 7-16 business days or longer