My Son is interested in purchasing a 325. I just read through most of the posts in this section and I have a few questions. 325i & 325e what are the differences between the two models other than the engine? the 325i has the M-20 and the 325e has the eta correct? Anything else that separates the two models? Any other models that we should be aware of? So far the cars that he has been looking at and that are available have been 87s In fact this Wednesday we will be test driving an 87 325i if it is still available. What I've picked up by reading through the posts are the following. --Timing belt MUST be replaced every 60K --Change the trans fluid every 30K and it will last a life time. --Shy away from an automatic trans nobody wants them and they end up as "boat anchors" --If a prospective car has electrical problems WALK AWAY FROM IT! --Check for rust in the trunk Anything else that we should be aware of? We do realize that we are looking at 20+ year old cars. The timing belt, is that something that a mechanically inclined person could change in his garage, or is that something that should be left up to a pro? And if left up to a pro what would be a reasonable price to have the timing belt changed?