Seller notes

The VTT S55 crank bolt capture. slips over the head of the crank bolt fully encapsulating it, and locks it to the crank hub, meaning it cannot back out no matter what. Failed crank hubs have been reported over several different BMW engines, including N54, N55, and S55, leading to valid worries about the integrity of the stock hub/bolt/sprocket assembly. If the crankshaft bolt becomes loose and the hub is allowed to spin it will cause the engine valve timing to skip or jump, potentially causing w...

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