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Hey guys, so I bought this E60 M5 as a project and been running through the issues. It had a misfire on several cylinders and after running the codes and assessing everything I noticed they had the wrong ignition coils and cylinder 5 and 10 had the wrong heat range plugs. There was always a knock in the head on passenger side right under the ionic sensor. The only code I have right now is P102D and it’s not in limp mode anymore after I changed all the ignition coils and plugs, however the power isn’t there after 4500 rpm.
 

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That sounds like my car! In 08 they upgraded the exhaust cam gear spring to reduce that noise, $900ea the last time I checked. I have been driving mine like that since I bought it with no recent problems. I did the vanos solenoids and the bleed test with no change.
 

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Oh really? I am waiting on my diagnostic computer to come so I can do an in depth troubleshooting. Did you get any codes? And the “engine malfunction reduce power” notification? I am thinking about just having the bearings done as well. Saw some shavings in the oil filter cap when I did the oil change.
 

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The only codes that may have been related were exhaust cam over retarded, that only happened at the track slowing down on the front straight. The last thing I messed with was the cam sensors and have not gotten the code since then, I just swapped intake and exhaust.
 

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Commenting so I can receive the notification from this as my car is making that exact same noise. It’s an 07 lci. I first noticed it about 3 years ago and brought it to a bmw specialist and he said it was normal and just added some padding in an attempt to reduce the noise, but didn’t really work. Hasn’t had any affect on the car but. As for your bearings, definitely worth doing, I was shocked how bad mine were at only 80k. ACL race bearings appear to be the best ones to go with and offer the most clearance, can get them on eBay for circa €230
 
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