New Crank Seal Protection & "Bulletproof" Kits

Who doesn't like insurance against engine failure? N52/N54/N55/S55 BMW owners commonly experience a shredded serpentine belt, which can get sucked in through the crank seal on the front of the engine. Oil and coolant leaks are often the culprit, causing the serpentine belt to slip past the crank pulley, getting sucked in behind the harmonic balancer, moving its way past the crank seal, and ultimately ending up in the oil pan. Once belt fragments are in the pan, tiny pieces can block the oil pickup, get caught in the timing chain, or end up in your valve cover. Any and all of these scenarios cause expensive damage at best and engine failure at worst. Our engineers designed a cost-effective and reliable crank seal protection plate for N52/N54/N55/S55 BMW engines that protects the front crank seal from a shredded serpentine belt getting sucked into the engine. We recommend these as inexpensive insurance for all N52, N54, N55 and S55 owners.