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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 04-11-2015, 05:44 PM   #1
thedirtyboys
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Clicking Noise

My 2002 330ci with 206,000 miles on it is now making a clicking sound. It goes away at times, but now its pretty much always there. Start up, driving, when its in park, all of the above, it pretty much makes the noise. I noticed it about a month ago it started doing it. I do have to admit I was driving it pretty fast at one point, and i was in the high RPM's almost hitting the redline, but i didn't pass it. That day after that is when I noticed the noise, or at least around that time.

No lights are on at my dash at all, but I have noticed the Service Engine Soon light come on, but it goes away after a couple start ups. I rarely see it stay lit.

Also, on start up sometimes (especially in the morning when its cold), my engine starts to feel like its going to die. I press on the gas to go and it has a hesitation, but it does go, and after that its fine. This problem only happens when I go from a complete stop. It did die one time, and that was in the morning when it was pretty cold.

The link below is the clicking noise I hear..
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Old 04-11-2015, 11:52 PM   #2
2006bmw330cizhp
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Mine just did that. It's a lifter that is stuck. I found out from s BMW mechanic to put the sea foam additive in the oil and it cleaned it up after about 20 miles. Mine purrs again. This happened to me two days ago. Works perfectly.
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Old 04-12-2015, 12:00 AM   #3
Tbone8ty
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get a diagnostics and look for BMW specific codes first, could be different problem then lifters.

could be this as well



try running seafoam or MMO for about a tank of gas, then change oil. do this for 2-3 more oil change cycles (~5000 miles) you could try using different weight oil. make sure you use bmw long life.

some people have had good luck with BG MOA you can get it on amazon.

but this is normal for high mileage engines. even worse in the e90's.

having good oil change cycles helps 5000 miles.

also some people have had good luck with shell rotella t6 oil i believe its called.

good luck
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Old 04-13-2015, 11:06 PM   #4
thedirtyboys
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So I just bought the seafoam to give it a try. Ive looked online and there are so many ways and options where to put this stuff. What is correct way to do this? Any tips?

PS. My car died today while coming home, I think i have another issue besides the noise. At about 500rpm right on start up it hesitates and sounds like its going to die, like I described earlier. But it has only died twice in the past month. Once the car has warmed up for about 15 minutes it doesnt do it anymore. If im driving city and i stop at lights right at start up i feel the car almost stall but then it goes and im on my way. Any thoughts on what that could be too?
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Old 04-13-2015, 11:10 PM   #5
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Bring it in to get a diagnostics test. Could be a number of different things.

List the maintenance that you have done to the car in the past year...

Your new here... sounds like your not up to date. Most likely needs some TLC

Prepare to unload wallet to get it running up to snuff
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Old 04-13-2015, 11:17 PM   #6
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you need to do a check list of what has been done to the car that you know of...

and if you don't know then that means its never been done. your car has 200k miles plus.
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Old 04-13-2015, 11:19 PM   #7
Tbone8ty
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don't put seafoam in brake line or vacuum hoses. i repeat DO NOT put it in the tuuubes! ask me how i know

put seafoam in your gas tank and engine oil that's it!

if your still confused don't use it!
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Old 04-14-2015, 05:23 AM   #8
inamoto
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Nice thread, I happened to also have the same question as OP
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Old 04-14-2015, 10:43 PM   #9
thedirtyboys
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So I checked my spark plugs and my first spark plug was very black and had some corrosion on it, so I changed it and now on start up its not doing that hesitation, but I don't know if its just because I had been driving all day or not. So the real test will be tomorrow morning when I start the car, and of course I will updated you. I had to buy NGK double plat spark plugs because they ran out of Bosch, but are these good for our E46's?

Another thing is I added half the can of seafoam to the gas tank, and the other half directly into the oil. I haven't noticed a difference. I'm thinking I need to buy another can and put half of it into the oil, and save then the other half in the gas tank again. Does that sound okay?
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Old 04-14-2015, 10:53 PM   #10
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whats the part number of the spark plug?

you should change all 6 out not just one. change all 6 while you there.

yeah put another half a can of seafoam in the engine oil. no need for anymore in the gas tank.

then change your oil after like 150-200 miles
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Old 04-14-2015, 11:00 PM   #11
thedirtyboys
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Okay. Im not sure of the part # man, I just bought it at autozone down the street. Honestly the only reason I replaced the 1 is because when I pulled it out, I cracked the plastic around the plug somehow... So I just needed to get home.. Im going to replace all the spark plugs next paycheck which is not this friday, but the next. And just to confirm, I'm pouring this seafoam right into where I would pour the oil correct?
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Old 04-14-2015, 11:35 PM   #12
Tbone8ty
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you should know exactly what you are putting into your car. make that a habit. make it a habit to use only OEM parts.


yah put no more than a full bottle in the engine oil.

run it hard for about half a tank of gas.

then promise me you will change your oil and filter using BMW LL-01 synthetic oil
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Old 04-14-2015, 11:37 PM   #13
thedirtyboys
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I was using Royal Purple 0-40 is that not good? Everyone was telling me its the best
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Old 04-14-2015, 11:39 PM   #14
Tbone8ty
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does it say BMW LL-01 on the bottle?
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Old 04-14-2015, 11:41 PM   #15
thedirtyboys
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I dont know if it said that no, I did that oil change a month ago.. but lits like 10 bucks a quart lol
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Old 04-14-2015, 11:44 PM   #16
Tbone8ty
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just googled quickly RP says that the 0W40 Meets and or exceeds European specs ACEA A3/B3-04 warranty requirements

you should be fine.

but you should be changing your oil every 5000 miles cycle anyways since you have a clicking problem and high mileage.
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Old 04-14-2015, 11:46 PM   #17
Tbone8ty
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go to walmart mobil 1 0w-40 should be about $25 for a 5qt jug

or go on amazon...i buy 2 of these at a time because it meets bmw LL-01 spec and its cheap.... and also i will have some left over for next oil change and top ups between changes if it gets low.

http://www.amazon.com/Castrol-03101-...=castrol+0w-40
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Old Yesterday, 11:45 PM   #18
thedirtyboys
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Okay.. Time for the fix post.

So I did the sea foam, I didn't get any results. I asked my friend who is going to school to become a mechanic, and he asked his professor what he recommends. He recommended I use 1 quart of Marvel Mystery, add it to where you fill the car with oil. And run the engine for 1k miles, and after 1k miles, get an oil change.

Did that today, and I ran my engine rough for about 30 minutes, the ticking is completely gone...

Thats what worked for me. Appreciate all the help, thanks again, and hope this helps someone in the future.
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Old Yesterday, 11:52 PM   #19
Tbone8ty
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You fixed it temporarily. Keep your maintenance up to date. And change oil regularly and hopefully keep your BMW running for awhile more!
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