The most common symptoms of dead battery in BMW 1 Series are slow engine crank, no start, dim lights, flickering dashboard lights and clicking noises when trying to start the engine. Replace the dead battery. If the battery in your 1 Series has become too weak and loses its charge quickly after recharging it by running the engine for some BMW E Series remote keys are unserviceable, meaning it's impossible to open them or replace the battery inside; BMW F and G Series use keyless technology, but the remote units contain replaceable batteries BMW 1 series 2011 - 2019; BMW 2 series 2013 - 2019; BMW 3 series 2011 - 2019; BMW 4 series 2013 - 2019; BMW 5 series 2009 On average, the cost for a BMW 1 Series M Car Battery Replacement is $353 with $258 for parts and $95 for labor. Prices may vary depending on your location. Car Service Estimate Shop/Dealer Price; 2011 BMW 1 Series M L6-3.0L Turbo: Service type Car Battery Replacement: Estimate $630.79: The average price of a 2012 BMW 1 Series battery replacement can vary depending on location. Get a free detailed estimate for a battery replacement in your area from KBB.com 2012 1 Series The steps outlined below enable you to reprogram and reset the BMW computer after a battery replacement. This guide is specifically designed for registering a BMW battery on models from 2002 or later, including the 1, 3, 5, 6, X1, X3, and X5 series, among others. A battery with the same specifications as the old one must be registered. If INPA shows battery voltage of 12.0 volts or better with engine OFF, and 14.7V with engine running, then the alternator IS charging. However, if Steuern/ Activations will NOT allow you to control alternator output, I would expect you have a problem in the BSD bus that is used to control alternator output. .

bmw 1 series battery replacement