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M2 Technical Topics > S55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning > Disconnect battery - Exhaust (Muffler) Install?

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      05-29-2019, 03:07 PM   #1
Dav3
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Disconnect battery - Exhaust (Muffler) Install?

Pretty much title

Only electrical component would be actuators

Exhaust is just backbox to OPF

Kinda bummed to have to reprogram 1-8 buttons

Anyone know?
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      05-29-2019, 04:52 PM   #2
TheHaze
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Quote:
Originally Posted by Dav3 View Post
Pretty much title

Only electrical component would be actuators

Exhaust is just backbox to OPF

Kinda bummed to have to reprogram 1-8 buttons

Anyone know?
Are you asking if you should disconnect the battery to swap your exhaust? I don't really see why that would be necessary.
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      05-29-2019, 09:27 PM   #3
pz619
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I didn’t. Did even think to honestly.
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Dav3946.50
      05-30-2019, 05:06 AM   #4
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No need. Even if you did, no need to reprogram anything afterwards.
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Dav3946.50
      06-03-2019, 08:07 AM   #5
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no need to disconnect. connection to the valves are not live when the car is not turned on.
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Dav3946.50
      06-03-2019, 10:44 AM   #6
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Cheers guys

Installed without touching battery
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