Performance Chip

[MattSav]

I was looking through possible performance mods, and saw Dinan offering engine and transmission chips for 525i's.

Was Curious if any of you have ever had experience with Chips like this, if they're worth it, and how much they affect reliability.

[82eye]

I was looking through possible performance mods, and saw Dinan offering engine and transmission chips for 525i's.

Was Curious if any of you have ever had experience with Chips like this, if they're worth it, and how much they affect reliability.

most chips add little unless you have supporting mods.