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'21 M550i Racechip?
Anyone with an LCI M550i running Racechip? If so, what are your thoughts? Worth it?
Seems like the safest option besides JB4/Dinan although I haven't seen many JB4/Dinan users on the LCI either. I really enjoyed using JB4 on my 440i but doesnt look like theres much support for the TU3 engine.
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