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'He was banged up in jail' is a well-known idiom, but you told me to skip that.
According to the Free Dictionary (click on the underlined words), only #1 and perhaps #2 are idiomatic — though rarely used in my experience — whilst the other expressions containing 'bang' are non-standard or slang terms.
#4 is sometimes expressed as 'We ran slap-bang into more trouble'.
I would recommend that you don't bother using any of these terms. They are not common, and many more elegant alternatives can always be found.
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