I have been looking at M7 Tuning, Alta Performance, Ultrik and John Confortti tuning packages and products. I can get about 30% off of the JCW kit as well as 30% off the labour, only problem is that his stuff is no better than all of the other tuners, but it is so overpriced, even with the discount I can get. Any other tuners I missed?
Look at DINAN, and AC Shnitzer too... they are top notch tuners. You can get those kits from them at a DINAN authorized BMW dealer.. and have it warrentied like a factory warrenty. Im 100% sure about the DINAN and almost 100% about the AC being warrentied by the BMW dealer.
We have several DINAN location in SilVall(and DINAN HQ in Morgan Hill, 20 min from San Jose) Stage 1 will cost you about 2k with installation. And they gonna covered you with warranty. www.dinancars.com
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