The VAC Motorsports Crank Seal Guard is the ultimate protection for BMW owners running N52, N54, N55, and S55 engines. Precision-machined in the USA from 6061 billet aluminum, this guard prevents one of the most common and catastrophic BMW engine failures--when the serpentine belt gets sucked past the crank seal into the crank hub area.
Without a crank seal guard, the belt can shred, clog the oil pickup, reduce oil pressure, and lead to complete engine failure. VAC's self-locating pilot design ensures a perfect seal and even clearance around the crank hub bore, delivering maximum rigidity and protection.
✅ Includes Installation Hardware
✅ Direct Fitment for BMW Applications
✅ Made in the USA - Motorsport Quality
🔹 Vehicle Applications
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BMW E60 / E61 5 Series - 525i, 528i, 530i, 535i, 535xi (N52/N54/N55)
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BMW E82 / E88 1 Series - 128i, 135i (N52/N54)
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BMW E90 / E91 / E92 / E93 3 Series - 323i, 325i, 328i, 330i, 335i, 335is (N52/N54/N55)
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BMW F22 / F23 2 Series - 228i, 235i, M235i, M2 (N55/S55)
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BMW F30 / F31 / F32 / F33 / F34 / F36 3 & 4 Series - 320i, 328i, 335i, 340i, 435i, 440i, M3, M4 (N20/N55/S55)
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BMW E84 X1 - 28i, 35i (N52/N55)
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BMW E70 X5 / E71 X6 - xDrive35i, xDrive40i (N55)
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BMW F15 X5 / F16 X6 - xDrive35i, xDrive40i, M40i (N55/S55)
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BMW Z4 E89 - sDrive30i, sDrive35i, sDrive35is (N52/N54/N55)
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