BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) - View Single Post - How do I know if I need to replace the battery?

BrokenVert · 08-09-2013, 05:50 PM

If you open the trunk compartment youll see a little window on the battery. In this window is a green diode. It will turn to yellow and subsequently red as an indication of battery health, and as a way of seeing when to change the battery.

08-09-2013, 05:50 PM	#8
BrokenVert Resident Kerbalnaut 477 Rep 10,703 Posts Drives: Topless Brute/Hybrid Boogaloo Join Date: Apr 2009 Location: Fahrvergnügen/NY iTrader: (0)	If you open the trunk compartment youll see a little window on the battery. In this window is a green diode. It will turn to yellow and subsequently red as an indication of battery health, and as a way of seeing when to change the battery. __________________
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