The Portuguese star has been sidelined by a hamstring injury since the first leg of Real's quarter-final against Borussia Dortmund three weeks ago.

Gareth Bale has carried the burden of responsibility in Ronaldo's absence with three goals in the last four games, including a sensational winning goal as Real claimed the Copa del Rey with a 2-1 win over Barcelona last week.

However, it was the Welshman who missed training on Monday due to a cold, although his participation in the Bayern game in not believed to be in doubt.