BMW 1-Series Forum (F20) 135i - 1Addicts.com > Second Generation 1 Series Forum > 2012 BMW 1-Series Sporthatch (F20) Discussion > Change engine. Two questions - gearbox - battery
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      11-26-2020, 09:30 AM   #1
mrducati
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Change engine. Two questions - gearbox - battery

I am about to change the engine of my 116i 2012. Is it easiest to pull out both engine and gearbox (manual) as a unit? It seems to be incredibly hard to reach the top bolts to the bellhousing with the engine in place. Also do I need to disconnect the battery to do this? One guy I met say everything must be reprogrammed if battery is disconnected for more than 13 minutes. True?
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      12-07-2020, 08:36 AM   #2
GaSelle
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The battery must be disconnected before you start doing a task lige that. I donīt believe itīs true, that everything needs to be reprogrammed after 13 minutes.
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      12-07-2020, 04:02 PM   #3
DomMuc
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thats bs...nothing needs to be reprogrammed when the battery is disconnected.... you have to set the time and date and maybe save your favourite radiostations again..
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