Quote:
Originally Posted by blacksapphire440i
i recommend bootmod3 either running a stage 1 or stage 2 tune with the xHP stage 1 or stage 2 transmission flash. xHP recommends that stage 1 is the best for transmission longevity and will remove the torque limiter on the engine. Since you live in socal our 91 gas isnt too great so I'd suggest running ethanol (e30) to help clean timing and making sure you're getting consistent numbers on ur logs
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I need to be convinced by research that e30 is “ok” for my engine, as BMW doesn’t ever mention “ethanol”… Any leads?