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BMW 3-Series (E90 E92) Forum
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29dc cylinder injection switch-off
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| 12-09-2014, 12:32 AM | #1 |
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Private
 
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29dc cylinder injection switch-off
just got 29dc cylinder injection switch-off code come up on my Jb4
to confirm what i have been reading its probably my HPFP? anyone else have this same problem, only code coming up thanks
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| 12-09-2014, 09:03 PM | #3 |
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dam does anyone make a upgrade that isnt $1300+
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JB4, Cowl Filters, Oil Catch Can, Sport Oil Cooler Valve Modified bmw Clutch Valve, Short Shift Kit, Short Throw Clutch Stop, VSRF 7" IC, VSRF 3" Downpipes, HKS Bov SSq3, ER Charge Pipe, H&R Sport Coilovers, Spec Stage 2+ Clutch & Flywheel, Stoptech Brakes, BMW P Exhaust, Dual Cone K&N Filters |
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| 12-10-2014, 05:04 PM | #5 |
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im at 80k miles and i dont think either of mine has been replaced
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JB4, Cowl Filters, Oil Catch Can, Sport Oil Cooler Valve Modified bmw Clutch Valve, Short Shift Kit, Short Throw Clutch Stop, VSRF 7" IC, VSRF 3" Downpipes, HKS Bov SSq3, ER Charge Pipe, H&R Sport Coilovers, Spec Stage 2+ Clutch & Flywheel, Stoptech Brakes, BMW P Exhaust, Dual Cone K&N Filters |
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| 12-10-2014, 05:54 PM | #6 |
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I have been getting this code when going WOT in the higher RPM range. For me I suspect lpfp as it looks a bit sketchy in logs. Hpfp though has been looking solid.
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| 12-10-2014, 08:32 PM | #7 |
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Drives: 2007 335i
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like a 50/50 chance on which one to order
anyone know a test to see which it actually is
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JB4, Cowl Filters, Oil Catch Can, Sport Oil Cooler Valve Modified bmw Clutch Valve, Short Shift Kit, Short Throw Clutch Stop, VSRF 7" IC, VSRF 3" Downpipes, HKS Bov SSq3, ER Charge Pipe, H&R Sport Coilovers, Spec Stage 2+ Clutch & Flywheel, Stoptech Brakes, BMW P Exhaust, Dual Cone K&N Filters |
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| 12-11-2014, 05:37 AM | #8 |
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Trust me I have had 2 back to back incidents of such codes. Happens only when you go wot every time. I did the lpfp first but it was not the case. Looking at hpfp pressure on the logs doesn't tell you anything. Was FBO with jb4 g5 iso with a cobb back end flash for E85 tube. Nothing was pointing to the hpfp until I decided to pull the trigger on it. Did so cause not even Terry could tell me what it wqs. Hpfp changed and the problem went away. 2nd time it happened I knew right away what to change. I Attributed this to the type of e85 I was running here.they can be very corrosive with the kind of humidity weather we're getting all year.
Last edited by dx1541; 12-11-2014 at 05:39 AM.. Reason: More details added |
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