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It is a well-known issue on the BMW N54/N55/S55 platforms that your serpentine belt can fail for various reasons, when this happens you have a high chance of the belt getting sucked behind the front damper, and then being pushed past the crank seal into your oil pan. From there it can get sucked into the oil pick up causing total engine failure, even if you do not lose the engine it is a COSTLY repair to remove the sub-frame and drop the oil pan to remove the belt.

The best way to combat this is to watch for oil leaks and keep up on your maintenance. BUT Even with those preventative measures, pre-mature belt failure can occur. This crank seal guard installs over your front crank seal and will keep the belt from being sucked in if a belt failure does occur. At only $74.00, this is a cheap way to ensure you do not end up having to replace your motor from oil starvation due to an ingested belt.

The VTT seal is different from those already on market, firstly it is not offensively priced. At $74.00 it’s easy on the budget. Secondly, it is 100% billet, with no welds on the tabs to break, no cheap bent thin steel pieces. 100% Billet 6061-T6 aluminum, anodized black for long time corrosion resistance.

Crank Seal Kit:

• One VTT Billet N54 Crank Seal Guard
• Two extended 12.9 Grade bolts, and two stainless washers

Crank Bolt Capture Kit:

• Hub capture
• 12.9 hardware for Installation 

Want a little extra security your N54 crank bolt won’t back out leaving you with 24 bent valves? Here is an easy, and cost-effective way to do that. The VTT N54 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.

The VTT-CBC is 100% Billet Aircraft Grade Aluminum, Anodized black to protect it from the elements, and give it a stealth look.

While this is not a full fix for all crank hub spinning issues, we have found most of our issues have stemmed from the bolt itself backing out, and this is a great way to keep that from happening. Extremely lightweight at only 1.3 Oz’s it adds virtually no weight to the crank which is important for balance and vibration.