Thread: Just put jb4
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      09-16-2012, 07:12 PM   #13
ksalih
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Drives: '08 335i
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Quote:
Originally Posted by D27 View Post
It true that once I put jb4 I should change the coil and the spark plug? I have 40mile and I had jb4 for a week already and it was misfire 5,6 so I change just the coil and it run fine both coil 5,6 should I change the rest 1,2,3, and 4 and all spark plug or just wait until they go bad?
I THINK you are asking if you should replace all plugs at 40k miles. I know you said 40mile, but again i THINK you meant 40k Yes OP, replace plugs. I did right after Jb4 isntall because of missfires. Haven't had a missfire since.
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'08 E92 335i Pre-LCI | Sparkling Graphite Metallic | VRSF Downpipes | JB4 G5 ISO | Mr. 5 Intake | Alpina B3 TCU Flash | NGK 5992 Plugs | More to Come...?