I believe your engine twists in that direction, putting more strain in the right-hand motor mount than the left-hand one. My TE was a perfect example. Just had the right-hand motor mount replaced and smoothed out the whole experience a great deal.

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David

His:
2003 Dodge Durango SLT
2002 BMW E39 530i Sport
1988 Mercedes 300TE
Hers:
2003 Chevrolet Suburban
1999 E430