My most popular E39 video is a Top 5 modifications list. There were a lot of great recommendations in the comments; so, it only seemed natural to expand it to a Top 10. The E39 of course has tons of different modification you can make, but I think these are the best modifications you can make. These make the biggest different or make a big difference for not much money.

All ten modifications apply equally to all E39s from the Euro 520i up to the M5. Usually only the 540i and the M5 get all the love, but every E39 can benefit from these upgrades. If you have any recommendations on what modifications you think are the best for the E39, comment them below.

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