Bam Margera's nearest and dearest just got their first whiff of the latest bone-crushing "Jackass" installment ... thanks to an invite-only screening set up by Bam himself.
Bam held the private screening of "Jackass 3D" on Tuesday night in his hometown of West Chester, PA -- where a theater full of people ... including his mother/co-star April ... showed up to check it out.
Hopefully, someone gave Bam a giant high five for setting it up.
Private Screening of
10/7/2010 5:00 AM PDT BY TMZ STAFF
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