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Old 08-22-2017, 03:02 PM   #11
Josh (PA)
Hello.
 
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Join Date: Mar 2004
Carmudgeonly Ride: '09 X3, '11 328xiT, '11 135i C, '17 c2, '19 X5
Location: Downingtown, PA
Posts: 5,514
is this an n54 or n55?

Just curious from a rough idle diagnosis. N54s have leaky injectors, fuel pumps, carbon build up and plugs / coils as possible culprits. N55s less of those issues.

When I did coils, I did all 6 along with plugs. It is an easy, DIY, but it also seems like your indy is charging fairly, so it might just be worth it... especially if you're planning on holding on to it for a while.
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Josh (PA) -
'19 X5
'17 991.2 C2 Cab
'11 135i Convertible
'11 328xiT
'09 X3
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