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2019+ BMW 3 AND 4-SERIES FORUMS (G2x Generation) General G20 Sedan / G22 Coupe / G26 Gran Coupe Discussions What's the difference between the 330es eBoost and Xtraboost?

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      04-05-2020, 04:52 PM   #1
hottroc
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What's the difference between the 330es eBoost and Xtraboost?

The manual says that eBoost is the electric motor supporting the combustion engine during kickdown, and Xtraboost is a setting in Sport mode to use the electric motor to give max sporting performance by supplementing the combustion engine.

But aren't they one and the same thing? If not then what's the difference?
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      04-06-2020, 09:50 AM   #2
SteveinArizona
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Quote:
Originally Posted by hottroc View Post
The manual says that eBoost is the electric motor supporting the combustion engine during kickdown, and Xtraboost is a setting in Sport mode to use the electric motor to give max sporting performance by supplementing the combustion engine.

But aren't they one and the same thing? If not then what's the difference?
Extra HP. eBoost uses the electric motor to supplement the ICE; Xtraboost adds extra HP to that (by, of course, soaking up more of your electrons). Same principle but more of it.
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      04-06-2020, 10:01 AM   #3
hottroc
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Ah ok, that makes sense, thanks.

So do you know the difference in terms of hp? Eg does eBoost during kickdown give 50hp and the Xtraboost in Sport mode give all 112hp?

And what about during normal hybrid mode?
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      04-06-2020, 02:33 PM   #4
SteveinArizona
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You never get all the HP form the electric motor because some of it is being used to drive the transmission and other components.

Beyond that, you need to hear from other 330e owners, my 530e doesn't have that feature so I can't help on it.
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