1998-2000     E39     523i

including forced induction and racing applications

Ball Bearing only

and reduced risk of valve float

DEKA High Performance ZF 8HP7X Transmission Upgrade N55B30 1998-2000 E39 523iWhen enhancing your engine's performance, it is crucial to upgrade your transmission, ensuring that it will reliably perform under the increased power output generated by the engine. DEKA Clutches & Transmissions excels in providing high quality drivetrain upgrades. Using expert craftsmanship and upgrading OEM components with CNC machined billet components, Deka's commitment to precision, quality, and consistency in their transmission upgrade services