Quote:
Originally Posted by nikitino25
On the beta maps, there is a CBE category. Does that stand for cat back exhaust? On the stage one agressive + fmic it says CBE suggested for 135i but Any for other cars? What's different about the 135i that you would need a cat back exhaust but not on the 335i? Also, I just need an fmic and 93 octane to run this map right?
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CBE = Cat-Back Exhaust
The 135 exhaust system is more restrictive that the 335 exhaust, which is why it's a
Suggested Upgrade for the 1-er but not for the 3
For Stage 1 Aggressive + FMIC, the Requirements are the tune & an FMIC. An upgrade intake (even if it's just a drop in filter) would also be a smart investment. Data log with the Sport tune 1st, if the logs are good then bump to Aggressive & log again to make sure you're good to go