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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > Ticking noise from engine block



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      12-26-2012, 03:42 PM   #1
Madill21
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Ticking noise from engine block

Recently changed oil and plugs in my 08 335i... Did not us the BMW plugs but instead used the OE Bosch plugs that were $3/each cheaper. I tourqued all plugs to 17nM and made sure the coils were in good condition before re-installing and now I have a ticking notice that seems to follow the RPM. (Slower rpm, slower ticking)

Can't hear it while sitting inside the car, but when I get out and car is still running I easily hear it. No engine lights on or anything, fuel consumption seems normal, haven't noticed a significant change in power or anything although it is colder out so I don't drive it very hard too often.

Can anyone think of what noise could be? I've checked for loose rattling things (clips, etc) and cannot seem to stop rattle...so I'm thinking it is coming from the engine and if so is not really a good sign .... :/

Any opinions or similar sounds would be great
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      12-26-2012, 08:49 PM   #2
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Are you sure it's a new sound? The 335 is direct injected and I'm sure those injectors make some noise. A lot of times people are just more tuned into things after working on their cars and notice things that have always been there. I'm always paranoid about my brakes after bleeding them, the pedal always feels worse, but in reality it's the same or better.
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      12-27-2012, 02:35 AM   #3
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I noticed your torque value of 17 Nm. Shouldn't it be about 23 Nm or so?
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      12-27-2012, 07:40 AM   #4
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Had me worried about the torque for a second! My mistake...I torqued then to 23nM but 17 foot lbs!

I'm thinking the same thing, its a noise that was already there and I'm just more tuned into it now. Especially with engine idle smooth and steady at about 600rpm.
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      12-27-2012, 11:58 AM   #5
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Could be lifter tick. There's a sticky for it.
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      12-27-2012, 12:31 PM   #6
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Mine has a light thicking noise like the one you mentioning but I believe its due to the direct injected engines. Seems like it goes away when change oil which reminds me I need to do it soon along with spark plugs at 100k miles yikes but its all good!!!
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      12-27-2012, 04:15 PM   #7
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Quote:
Originally Posted by GoRomeo
Mine has a light thicking noise like the one you mentioning but I believe its due to the direct injected engines. Seems like it goes away when change oil which reminds me I need to do it soon along with spark plugs at 100k miles yikes but its all good!!!
I just did an oil change...didn't notice noise after that but not sure if I really paid attention to it. I will look into that lift sticky. Thanks guys!
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      12-27-2012, 04:40 PM   #8
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Quote:
Originally Posted by kfrazie1
Could be lifter tick. There's a sticky for it.
After doing some reading and watching a YouTube video featuring a lifter Tick it is definitely the same noise...

Many guys talk about using a heavier oil to keep the pressure up. I did an oil change and put 5w30 in there, not sure if I noticed the noise then or not but it seems to have nothing to do with my spark plug change.

Another guy was talking about the upper tensioner wearing down and this causing the internal oil leak with the ticking noise. The tensioner is a $50 part.

Anyone have an idea of how hard that is to change???
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      12-27-2012, 04:48 PM   #9
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Quote:
Originally Posted by Madill21 View Post
After doing some reading and watching a YouTube video featuring a lifter Tick it is definitely the same noise...

Many guys talk about using a heavier oil to keep the pressure up. I did an oil change and put 5w30 in there, not sure if I noticed the noise then or not but it seems to have nothing to do with my spark plug change.

Another guy was talking about the upper tensioner wearing down and this causing the internal oil leak with the ticking noise. The tensioner is a $50 part.

Anyone have an idea of how hard that is to change???
Interesting...no I have not heard anything about this tensioner wearing down but I am would be interested in knowing the outcome on this thicking noise in which I ve had experienced it in light moderation.
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      12-27-2012, 05:06 PM   #10
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Yeah Romeo I'm interested too and will learn more about it. The article I read said its common on the N52 engines but BMW redid something in the engine to prevent it but I guess it didn't work...I'm not sure. Mines the N54 engine but I definitely have this ticking problem...

I'm also wondering if this is harming my engine at all...idk if I need to fix it right away or what.
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      12-27-2012, 05:24 PM   #11
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I've got lifter tick. I just live with it. Goes away when the engine warms up.
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      12-27-2012, 08:10 PM   #12
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Quote:
Originally Posted by kfrazie1
I've got lifter tick. I just live with it. Goes away when the engine warms up.
I can live with it until I have some time to work on the car and change it.
I'm just wondering if its hard on the engine at all...? It may be fine with normal driving but if you push it and demand more oil pressure with it hurt it...?
Idk enough about these engines but those r the type of questions I'm wondering and trying to find answers to.
Also if changing my oil to a little heavier oil solve it...?
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      12-30-2012, 04:59 PM   #13
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when did you last change your oil?
mine had a small tick with the freezing cold so i did a oil change.
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      12-31-2012, 08:45 AM   #14
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Quote:
Originally Posted by TheTal0n
when did you last change your oil?
mine had a small tick with the freezing cold so i did a oil change.
Just changed my oil a cpl of weeks ago. Less than 1,000 miles on this oil. Just for know if I noticed the tick after the oil change or after changing spark plugs. I put another half liter of oil in the car the other day. Seemed to help a little.
I threw in that half liter even when car told me oil was full but I only put an estimated 6.5 liters in after the oil change. So I figured it may be slightly low and cause slightly less oil pressure.
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