Cobb makes a tune now… Looks like it has the best numbers and options. Id start with that and dci’s. There are a bunch of people with them on here. And they actually mod their cars.lol
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Vishnu tunes (new ones) have the canbus option that can erase codes before bringing it in for service too
otherwise you need the BT cable to erase codes when you bring it in for service, and there’s no guarantee they wont find it.
Procede for tune (piggyback) or Cobb for Flash tune.
Intakes (really dont do much)
Downpipes (2-3 hours to take in and out… may not do this if your going to be hitting the dealer alot)
FMIC
Catback ( I like the stock exhaust with the flapper valve unplugged, but I am old)
Best money spent is on a tune, +80hp and tq. and can be removed in minutes for dealer visits.
Stock car will probably put down about 260-270 on mikes dyno.
My car with the following:
Procede V4 Autotune
UR DP’s
ETS FMIC
AFE Intakes
Pump gas 93oct
Stock Catback
are there known cases of Dinan not covering it? most dinan tunes are done at BMW dealers so there is an expectation all will be covered unless additional non-dinan mods are added.
Downpipes FMIC and some sort of tune. Cobb is decent, but limited in the number of options when different mods come into play. I run same mods Jeller runs plus fully catless and Meth. Clutch couldn’t handle the torque, so there is more left on the table there (you can tell by the fact that mine made power really late, clutch was slipping under high boost at low rpms).