Quote:
Originally Posted by makethiscardriveable
Reviving some old stuff here but I have almost the same rough idle issues. Vacuum lines done, Index 12 injectors, hpfp replaced, spark plugs and coils done. Not sure what else to do
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My car does this also. I've done all the same things you did in addition to cleaning the intake valves. It only seems to do it when the car is first started. Mostly the first 30 seconds while the car is running rich. Although, I'm not too worried about it. The car runs great once it's warm.
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2008 335xi - JB5 ISO e50, VFSR catless DP, DCI, VFSR FMIC. Fuel it stage 1, VMR V710s. 407/446 rwhp/rwtq.
2004 Cobra - Basic bolt ons with a tune. 450rwhp/rwtq450. Port coming soon.
2013 X5 50i - muffler delete, xHP tune, ESS tune on the way.
2016 Mustang GT Roush Phase 2 with VMP 767 HP kit.