The mechanical internal axle nut wrench is an indispensable industrial-strength solution, designed for flawless drivetrain maintenance and oil seal replacement in BMW vehicles. Removing the internal locking nut is necessary when separating the axle from the transfer case or rear differential during service.

This premium tool features an integrated 1/2" drive adapter, allowing it to be combined with heavy-duty breaker bars or precise torque wrenches for controlled professional operations in accordance with factory service manuals.

Machined by CNC from multiple hardened structural steel alloys, it includes anti-oxidation coating technology to eliminate surface rust and cracking under extreme high-torque applications.

• Tool Category: BMW Axle/Differential Special Nut Wrench
• Socket Size: 50 mm
• Drive Interface Size: 1/2" square drive (Dr.)
• Equivalent OEM Reference Codes: 83 30 0 495 551, 83300495551, 335 040 (335040), 330 080 (330080)
• Engine Application: N54 B30 (3.0L Twin-Turbocharger platform)
• Vehicle Fleet Compatibility: BMW 3 Series: E90, E91, E92, E93; BMW X5: E70; BMW X3: E83 (RWD and 4WD configurations)
• Main Advantage: Ability to complete final drive maintenance directly under the lift without removing the subframe.

Made in China.