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OK, so both axiom's and xtrai - you had hesitation but no codes ? how to trouble shoot I do understand, but what are the symptoms barring the appearance of codes ? at idle the engine should be 'chasing' or are the electronics that good nowadays that isn't the case anymore ?
I don't feel my idle is in any not smooth (to clear the double negation: idle is smooth), yet I feel upon acceleration there is a hesitation esp. if engine speed is a bit low when I step on it, like the car gets bogged down then all the sudden it wakes up - oh, you want me to speed up - kinda thing.
From all I've read replacing coils willy-nilly is not recommended, regardless of mileage.
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328i Sports Pkg, Michelin PSS on Staggered 18" OZ Ultraleggeras
. BMS Powerbox. Cyba scoops + Rev motoring intake hose + charcoal delete. Wavetrac LSD
. M3: subframe bushings + sways + control arms (fr & rr). Meyle rear toe arms. M3 diff fr bushings
. BMW Perf: v2 springs + v1 dampers. Valeo SMFW+clutch. 034 MotorSport engine mounts
. Short Shifter + Turner PU bearing + ZHP M weighted shift knob. CDV delete
Last edited by DaanBMW; 04-26-2014 at 12:28 AM..
Reason: added coil note
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