In the wake of Jackass star Ryan Dunn’s death, a non-profit drunk driving awareness organization has asked Dunn’s longtime friend Bam Margera to come forward and record a drinking and driving public service announcement. Hit the jump to read more…

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(RadarOnline)–DrinkingandDriving.org president Allen Porter exclusively provided RadarOnline.com with the letter he sent Margera, urging the popular TV personality to use his influence to take a stand against the dangerous practice that killed both Dunn and his passenger, Iraq war veteran Zachary Hartwell.

“Ryan’s death could have been prevented because he was in a room full of people before he got in his car,” Porter wrote. “He was literally surrounded by people who knew what condition he was in before they let him go to his car.

“Imagine if somebody had just said, ‘Don’t Go!’ Imagine how powerful a PSA from you saying something like that would be.”

Other celebrities who have recorded PSAs for the organization include reality star Tila Tequila, White House gate-crashers Tareq and Michaele Salahi and Lindsay Lohan’s father, Michael.

Margera, visiting the site of Dunn’s crash Tuesday, shared his raw, visceral grief with Philadelphia’s Fox affiliate, WTXF-TV.

“I’ve never lost anybody that I cared about. It’s my best friend,” a crying Margera, 31, told the station. “He was the happiest person ever, the smartest guy. He had so much talent, and he had so many things going for him.

“This is not right, not right.”