E55 M113K Misfire Cylinder #8 P0308

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That’s it, with the aftermarket wheels??
Nah not me. It looked so run down I went and bought another E55 that was run down but at least cleaned for sale đŸ˜‚
 
Nah not me. It looked so run down I went and bought another E55 that was run down but at least cleaned for sale đŸ˜‚
Lol!
 
The rockers appear to always leak (I’ve done one of mine) but are straightforward to fix. The vibration at idle might be engine mounts?
 
Rocker covers often leak , as do the breathers. Engine mounts are food and drink to these engines and make a huge difference when changed if they have significant wear/drop. The other thing that gave me a very poor idle was a disconnected vacuum pipe. Your intake pipe may also have the same effect. Mine was eneven enough to cause the EML to come on.
 

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