The Campos Racing driver has suffered from facet joint syndrome this season, causing him to suffer from neck pain, which first forced him to withdraw from Barcelona in May after practice.
He tried to drive Monaco and took part in practice and qualifying before withdrawing from the race.
Despite returning to Baku to finish ninth in the featured race, he exited Silverstone after qualifying and then dropped out of the Red Bull Ring, Paul Ricard and Hungaroring meet.
The team announced ahead of this weekend’s race at Spa that he will be returning to the race in place of former Formula 1 driver Roberto Mech, who took over when Boschung took over
Boschung said: “It’s nice to be back. It’s been the toughest period of my career lately, but I’m glad I can try again at Spa.
“Of course , once I drive, I’ll know how my neck will react, so I’ll be cautiously optimistic.
“Campos deserves a good result because we already had a good start to the season, so I will try my best to make it happen.”
Before the injury, Beauchamp was on the podium at Imola, finishing third in the featured race.
Ralph Boschung, Campos Racing
Photo by Mark Sutton/Motorsport Images
Merhi takes the podium at the Red Bull Ring, crossing the finish line for the second time before track limit penalties drop him to fifth Wire. Post-race penalties on Richard Verschoor and Jehan Daruvala lifted him to third.
His teammate Olli Caldwell will be absent this weekend due to a suspension after 12 penalty points this season and will be replaced by Lirim Zendeli.
Team Principal Adrian Campos said: “We have important news. We are delighted that Ralph is back in his MoonMobile Dallara. We wish him fit and good results.
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“After the latest FIA penalty, unfortunately we won’t be able to travel with Oli this weekend.
“Lilim will take his place, I wish him a great weekend, we know he has not been racing this year but we hope he will settle into a single seat soon, with the help of the whole team , we can achieve a positive weekend in terms of results.”
