BMW N55 Crank Hub Fix Kit - Vargas CBC Crank Bolt Capture/Lock + Front Main Seal Guard/Crank Seal Plate, Belt Ingestion Prevention Reliability Bundle for E82 E88 E90 E92 E93 135i 335i

Ultimate Reliability Bundle for BMW E8X and E9X N55

Protect your turbocharged straight six with a proven reliability package that addresses the two biggest headaches on the N55 platform. This all-in-one bundle locks the crank fastener in place and shields the front seal from belt debris, while refreshing the full front-end drive and essential service items. Ideal for daily drivers, tuned builds and track toys that demand peace of mind and consistent oil pressure.

We run this setup on our own cars and customers love the confidence it delivers. Fewer worries, more driving. Simple.

Why you need this upgrade

• Stops crank hub slip by securing the crank fastener with a robust locking plate system
• Prevents auxiliary belt ingestion by sealing the gap at the front crank seal behind the damper
• Keeps the oil pick up strainer clear and safeguards oil pressure
• Refreshes belt, tensioner and idler pulleys for quiet, reliable drive operation
• Addresses the common OFHG leak with fresh OEM gaskets
• Includes premium oil, OEM filter and genuine coolant for a complete service in one hit

What is included

• Vargas Turbo Crank Bolt Capture
• Vargas Turbo Crank Seal Plate
• OEM accessory belt
• OEM belt tensioner and idler pulleys
• Liqui-Moly Longtime High Tech engine oil 5W-30 - 7 litres
• OEM Hengst oil filter
• OEM oil filter and cooler housing gaskets
• ECS oil change sticker
• Genuine BMW full-strength coolant - 1 litre

Benefits at a glance

• Crank fastener security for high RPM and tuned power levels
• Front seal guard stops belt fibres reaching the sump
• Cleaner lubrication system and dependable oil pressure
• Smoother, quieter belt drive with new tensioner and pulleys
• Leak-free oil filter housing to prevent oil and coolant cross-contamination
• Everything you need in one box to do the job properly

Fitment

Designed for BMW models with the 3.0 N55 in the E-chassis range:

• E82 135i N55 3.0
• E88 135i N55 3.0
• E90 335i N55 3.0
• E90 335xi N55 3.0
• E92 335i N55 3.0
• E92 335xi N55 3.0
• E93 335i N55 3.0

Installation

Professional fitting recommended. MJ Modifications in Warwickshire can install this package and carry out the full service at the same time. Request a fitting quote at info@mjmodifications.co.uk.

Who is this for

If you have experienced timing drift, belt noise, oil leaks around the filter housing or you simply want to prevent common N55 issues before they happen, this is the reliability upgrade you are looking for. Perfect alongside performance software, upgraded turbos and regular spirited use.

Search-friendly terms people use for this solution

BMW N55 crank hub fix, crank bolt lock, CBC kit, front main seal guard, belt ingestion prevention, crank damper seal plate, auxiliary belt kit, oil filter housing gasket leak, OFHG, N55 reliability package, E82 135i crank hub issue, E9X 335i belt in sump, N55 preventative maintenance.