Mark Webber says the row between Frank Williams and BMW is affecting the team ahead of the Canadian Grand Prix.
BMW has criticised Williams in recent years but this week the team hit back by accusing the German manufacturers of "constant finger-pointing".
"Of course it does. It's not going to make it better, is it?" said Australian driver Webber when asked if the argument had destabilised Williams.
But he said he had full faith in the team to come up with a solution.
"I've got massive, massive trust in Frank and (co-owner) Patrick (Head)," he said.
"I'll be lying if I didn't say BMW is important to me and Williams. BMW is a very impressive outfit, but I've always said I want to drive for Frank."
Meanwhile, Head has voiced his displeasure with BMW.
"Unfortunately our partner chose to tell people they are perfect while accusing us," Head told Italian magazine Sport Auto Moto.
"This is honestly something which, besides being very unprofessional, shows very little character."
Head said that since Williams had started talking to other potential engine suppliers since BMW "decided to talk publicly about their dissatisfaction in their relationship" with the team.
BMW has a contract with Williams until 2009 but is expected to expand its Formula One programme next season by supplying Swiss team Sauber.
Follow the Canadian Grand Prix live on the BBC Sport website. Qualifying is at 1800 BST on Saturday, with the race at the same time on Sunday.