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BMW 3-Series (E90 E92) Forum
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How often do you change spark plugs?
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| 08-30-2012, 05:22 PM | #1 |
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Major General
 
Drives: 335i SE Coupe Space Grey Join Date: Nov 2008
Location: LONDON
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How often do you change spark plugs?
On a 335i....
How would i know if they need changing? How often? They were changed at 47k miles by bmw... car is now on 58k miles...
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 Current Car: E92 335i SE Dream Cars: AMG SL65 Black,GallardoSuperleggera, GTR 2012, Agera R, F430 Scuderia, DBS, EVO X FQ400, Lexus LFA, F10 M5, e92 M3, GT3 RS4.0, Ferrari 458, Ferrari F12, R8 V10 plus, Jaguar F Type V8, Lamborghini LP700-4 Aventador, Chevrolet Camaro ZL1, C63 AMG Coupe Black, Vanquish 2012. |
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| 08-31-2012, 03:08 AM | #2 |
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Major General
Drives: E91 335i LCI Manual Join Date: Jan 2009
Location: UK
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Kev,
They reckon tie it in with every 3rd oil change (assuming you follow extended 15-20k changes) so that's 45-60k. If yours were done at 47, then thats about right, 90k for the next set!
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JB4 15ohm - QUAIFE LSD - BIRDS B3 SUSPENSION - HARTGE ARBS - ETS FMIC - ER CHARGE PIPE - FORGE DVs- M3 FRONT ARMS & REAR SUBFRAME BUSHES - M3 STRUT BRACE - AR OCC - AFE DCI - BMWP SSK - RPI SCOOPS
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| 08-31-2012, 08:15 AM | #4 |
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Major General
Drives: 335i SE Coupe Space Grey Join Date: Nov 2008
Location: LONDON
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hmm...ok...
Just got some misfires and Cobb mentioned spark plugs and coils... Need to find out whats wrong...Getting a bit annoyed that the Cobb maps are not working on my car...when the car runs perfect std...
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Current Car: E92 335i SE Dream Cars: AMG SL65 Black,GallardoSuperleggera, GTR 2012, Agera R, F430 Scuderia, DBS, EVO X FQ400, Lexus LFA, F10 M5, e92 M3, GT3 RS4.0, Ferrari 458, Ferrari F12, R8 V10 plus, Jaguar F Type V8, Lamborghini LP700-4 Aventador, Chevrolet Camaro ZL1, C63 AMG Coupe Black, Vanquish 2012. |
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| 08-31-2012, 11:24 AM | #6 |
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Major General
Drives: 335i SE Coupe Space Grey Join Date: Nov 2008
Location: LONDON
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cyclinder 6....
what else might cause misfire apart from spark plugs and coils? ... just worried its injector related?...
__________________
Current Car: E92 335i SE Dream Cars: AMG SL65 Black,GallardoSuperleggera, GTR 2012, Agera R, F430 Scuderia, DBS, EVO X FQ400, Lexus LFA, F10 M5, e92 M3, GT3 RS4.0, Ferrari 458, Ferrari F12, R8 V10 plus, Jaguar F Type V8, Lamborghini LP700-4 Aventador, Chevrolet Camaro ZL1, C63 AMG Coupe Black, Vanquish 2012. |
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| 08-31-2012, 12:18 PM | #7 | |
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Captain
 
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Looks like you only have 11K on the plugs. hmm... I'd pull the #6 one out and compare it to the rest.
Coil packs are easy to check, swap the coilpack between two cylinders and see if the misfire changes with it. Injectors are possible, but rare, especially if you have been through the injector/HPFP recall. Good luck! Quote:
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Josh-
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| 08-31-2012, 04:16 PM | #8 | |
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Captain
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Quote:
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| 08-31-2012, 05:39 PM | #9 | |
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Major General
Drives: 335i SE Coupe Space Grey Join Date: Nov 2008
Location: LONDON
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Quote:
got the same errors over and over again...misfire on cylinder 6...
__________________
Current Car: E92 335i SE Dream Cars: AMG SL65 Black,GallardoSuperleggera, GTR 2012, Agera R, F430 Scuderia, DBS, EVO X FQ400, Lexus LFA, F10 M5, e92 M3, GT3 RS4.0, Ferrari 458, Ferrari F12, R8 V10 plus, Jaguar F Type V8, Lamborghini LP700-4 Aventador, Chevrolet Camaro ZL1, C63 AMG Coupe Black, Vanquish 2012. |
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| 08-31-2012, 06:50 PM | #10 | |
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Captain
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Quote:
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| 09-02-2012, 03:02 AM | #11 |
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Private
 
Drives: 2008 E92 325i M-Sport Coupe Join Date: Apr 2008
Location: Dublin, Ireland
Posts: 87
iTrader: (0)
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Just curious I had my coils replaced under recall their recently, does that mean they would automatically do the plugs along with that or not?
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2008 E92 325i Black Sapphire M-Sport Coupe
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| 09-02-2012, 05:13 AM | #12 | |
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Lieutenant
Drives: E92 325i MSport Coupe Join Date: Apr 2012
Location: UK South East
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Quote:
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E92 pre-LCI 325i - Ohlins R&T; H&R spacers; BMS clutch stop; BMS CDV; RE g/box mounts; K&N; Cyba scoops; BMW Perf Exhaust; M3 rear spoiler; LED Angels; BMW Perf black grille; SSDD carbon diffuser; Monster Wrap black roof
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| 09-03-2012, 11:39 AM | #14 | |
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Lieutenant
Drives: E92 325i MSport Coupe Join Date: Apr 2012
Location: UK South East
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Quote:
__________________
E92 pre-LCI 325i - Ohlins R&T; H&R spacers; BMS clutch stop; BMS CDV; RE g/box mounts; K&N; Cyba scoops; BMW Perf Exhaust; M3 rear spoiler; LED Angels; BMW Perf black grille; SSDD carbon diffuser; Monster Wrap black roof
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