CTEK 56-158 Battery Charger


CTEK (56-158) 3300 12 Volt Fully Automatic 4 Step Battery Charger for use when flashing to DME. We always recommend using a battery tender to keep your battery functioning during flash.

SKU 4972 Categories , Tag


This is the battery charger we recommend for flashing purposes. Although not mandatory, it is highly recommended to have your car battery under charge during flashing procedures. Interruption in power or connection during flash may result in damaging/bricking your DME.

  • Unique 4 step charging system with a patented program that tests battery condition and, charges and maintains to ensure maximum battery life and performance
  • No sparks, short-circuit proof and reverse polarity protected makes it safe for all the vehicles electronics and easy to use
  • Water and dust resistant means it is safe to use in all climate situations
  • Connect and forget, no need to disconnect battery from the vehicle when charging
Additional information



E30, E36, E36/7 / E36/8 Z3, E39, E46, E60 / E61, E85 / E86 Z4, E90 E91 E92 E93


Z3 M, Z4 M, M3, M5

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