Well...
Tested it again yesterday morning and on the way home and again this morning on the way in to work, as I thought the car being cold might have something to do with it (on the way home the car runs for longer before the faster bit of road) and would you believe it? no stuttering at all, either time..
This is just weird. Same fuel, same bit of road, car running for the same length of time, and nothing wrong.
Could it be a dodgy plug or lead?
Could still be a partially choked fuel filter...or maybe a coil pack on the way out...or some dodgy fuel (pinking?)
No idea now.. I'll start with the cheapest option... different fuel. It always gets super unleaded, I'll just have to try some other stuff - that was Tesco super the last time cos it was closest..Originally Posted by MrMischief
Anybody here tried Seafoam? (Lights touchpaper and legs it)
Have you tried an ECU reset?
Not tried that yet, could be a good shout if it happens again!
Did the Seafoam treatment over the weekend, with a new tankfull of fuel, and the car feels to be running more smoothly now.. might just have been the fuel, but there was plenty of crap came out with the treatment
Thats good Ewan, Sounds like the seafoam done its job
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http://www.pelicanparts.com/techarti...eplacement.htmHope it lasts mate...here's a guide to changing the fuel filter if the stutter comes back. Bit of a PITA that BMW reckon it's a lifetime itemNot tried that yet, could be a good shout if it happens again!
Did the Seafoam treatment over the weekend, with a new tankfull of fuel, and the car feels to be running more smoothly now.. might just have been the fuel, but there was plenty of crap came out with the treatment
Cheers! I have read about it beng a PITA to change as well, and a few folk on NAM saying that BMW reckon that it should only be changed 77-100K miles....http://www.pelicanparts.com/techarti...eplacement.htm
Hope it lasts mate...here's a guide to changing the fuel filter if the stutter comes back. Bit of a PITA that BMW reckon it's a lifetime item
..you know that guide is for the R50/3?I'm not 100%.. but I *think* the pump is in the same place on the r56?
So my R53 s JCW has developed the same sort of problem, a stutter around 2-3000 revs under partial throttle, like during an easy overtake. My mechanic has suggested fuel filter or pump. Both are inside the tank. Filter is £20ish plus labour, if its the pump closer to £500 all in. Not sure whether to just go with the filter and hope that cures or just get both done while he's in there. Any advice greatly appreciated.
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