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 - Noobie: How to safely disconnect battery?

h1pst3r88 · 05-03-2026, 09:19 AM

Hoping for a quick answer as I 'm planning to swap my 135i seats today with E92 M3 seats.

To the disconnect the battery is removing the negative lead enough or do I need to disconnect the positive terminal too?

Thanks!

05-03-2026, 09:19 AM	#24
h1pst3r88 New Member 15 Rep 28 Posts Drives: 2011 328Xi Coupe Join Date: Mar 2019 Location: Boston iTrader: (0)	Hoping for a quick answer as I 'm planning to swap my 135i seats today with E92 M3 seats. To the disconnect the battery is removing the negative lead enough or do I need to disconnect the positive terminal too? Thanks!
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