Germany's metalworking union, IG Metall, is planning to down tools in all German BMW plants.

"I am convinced that it will come to warning strikes," said a senior works council representative of BMW's Regensburg plant.

IG Metall is calling for a pay increase of 6.5% nationally. Workers are offering 2.5% more salary and a performance-related bonus of 0.5% over 12 months.

Wage talks are continuing in several German states until 27 April, but many unions have already planned warning strikes, according to Automobilwoche. Strikes are planned for May 2nd at BMW Regensburg if an agreement is not reached by 28th April.

A worker representative at Federal-Mogul's plant in Wiesbaden told the industry newspaper that his workers are ready to fight. More than 80% of the 1600 workers at the plant are represented by the union.