I don't see the high performance coils doing anything better than the OEM ones.
I once had high performance wires installed in my E30 (used cap and rotor at the time) and they made no difference.
Capo
I don't see the high performance coils doing anything better than the OEM ones.
I once had high performance wires installed in my E30 (used cap and rotor at the time) and they made no difference.
BP
2005 330i ZHP / 6MT
Imolarot / Naturbraun
2003 330iT / 6MT
Orientblau / Naturbraun
It's not the car you drive, it's how you drive it.
Associate
My car has been running rough at idle for the past few days and now my Service Engine Soon light came on. In researching this a little on the internet it looks like it could be a bad ignition coil or spark plug. You guys have any comments on this? Thanks!
gerMANIAC
Boss
Could be. Best way to narrow down is to get the codes read.
If you get a misfire code with a cylinder #, you can swap coil packs and verify that you have a bad pack.
How long have the plugs been in?
When was the last time the valve cover gasket was changed?
-Be yourself; everyone else is already taken.
ZHP Pre-Ride Briefing
2005 ZHP, Alcantara, Silver Cube, Nav, Sharked, BMW Perf Intake, BMW Perf CF Strut Brace, CF Valve/Fuel Rail Covers,
Shadowline Grills, CF Splitters, Fog Light Inserts, Euro-mirrors, CDV Delete, Beisan vanos, GAS DISA, BP Coded
Associate
I believe the plugs are original. I found some info from bmp design showing how to verify if you have a bad coil. I think I will try this first and proceed from there.
http://www.youtube.com/watch?v=z37jl4HXQjg
gerMANIAC
Boss
Well that's certainly one way to do it.
Let us know how you make out.
If you don't narrow it down with that, let us know if you get the codes read. Could be several other things besides plugs and coils.
-Be yourself; everyone else is already taken.
ZHP Pre-Ride Briefing
2005 ZHP, Alcantara, Silver Cube, Nav, Sharked, BMW Perf Intake, BMW Perf CF Strut Brace, CF Valve/Fuel Rail Covers,
Shadowline Grills, CF Splitters, Fog Light Inserts, Euro-mirrors, CDV Delete, Beisan vanos, GAS DISA, BP Coded
Big Earner
Fuel injectors are also another possibility. But if your car is around 100K miles, its probably the spark plugs or ignition coil pack.Originally Posted by kayger12
As for spark plugs, does anyone know how big the gap is supposed to be?
Associate
I got an error code P0171 - system too lean...
http://www.obd-codes.com/p0171
Possible solutions listed in the attached link - anybody else ever receive this code...
gerMANIAC
Capo di tutti capi
Yes. Both e46's I had. It was caused by torn intake boot. Tear was on smaller hose that goes to icv.
Inspect intake stream for a leak.
HTC Thunderbolt+TT
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Boss
Yep-- most likely the intake boot like DW said.
Common issue. Easy fix.
-Be yourself; everyone else is already taken.
ZHP Pre-Ride Briefing
2005 ZHP, Alcantara, Silver Cube, Nav, Sharked, BMW Perf Intake, BMW Perf CF Strut Brace, CF Valve/Fuel Rail Covers,
Shadowline Grills, CF Splitters, Fog Light Inserts, Euro-mirrors, CDV Delete, Beisan vanos, GAS DISA, BP Coded
Messaggero
The style of plugs used in our cars have a preset gap from the factory. No need to adjust the gap.
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