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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Thu, Nov-01-2018, 08:21:12 PM   #21
Bezugo
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Default Re: HELP 04 M3 ticking under partial load/blip the throttle

I haven't driven the car much at all during the summer and when i did i made sure not to cause the pinging noise. Always very low throttle to avoid any strain to the engine.

I'm fortunate to live in a city with very good weather so i've been using my bikes a lot.
Summer has just finished there.

I would have had the car repaired during the summer, but i didn't want to leave the car at a shop for them to experiment with repairs without having a good idea of what could be.
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Old Thu, Nov-01-2018, 08:48:09 PM   #22
mrgizmo04
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Default Re: HELP 04 M3 ticking under partial load/blip the throttle

Quote:
Originally Posted by Bezugo View Post
I haven't driven the car much at all during the summer and when i did i made sure not to cause the pinging noise. Always very low throttle to avoid any strain to the engine.

I'm fortunate to live in a city with very good weather so i've been using my bikes a lot.
Summer has just finished there.

I would have had the car repaired during the summer, but i didn't want to leave the car at a shop for them to experiment with repairs without having a good idea of what could be.
Your first post says "never in neutral".

Confirm with an actual compression test. Inspect your oil/coolant caps.

Reading posts and watching videos is like going on WebMD to diagnose something mild, there will be options that say the world is ending and you might have cancer, where as the symptoms could be fixed with just hydrating more.

Could just be misfires. I fixed mine with a valve adjustment (2 on the problematic cylinders were out of spec), ran HEET through a tank of gas to dry out moisture in the lines and got new coils. Was also debating if it was a head gasket...

Sent from my SM-G950U using Tapatalk
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'85 528e 164k miles (sold)
'05 M3 6MT coupe

All DIY: 330 ZHP steering rack, diffsonline 4.1 diff with rem polish, E60 short shifter lever, AKG black diff bushings/subframe bushings, Rogue rtab, WPC rod bearings, Beyer driveshaft, full SS (SS stepped V1, catted S1, resonated S2, SS sport), Sachs clutch/flywheel, rear main, VANOS bullet proofing with anti-rattle, valve adjustment, cooling refresh, Ohlins R&T/Swift 448f 672r/GC street tops and camber plates, AFD E85 Proflex kit.

Happy to help with VANOS or any other DIY job around NorCal
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Old Thu, Nov-01-2018, 09:15:24 PM   #23
mrgizmo04
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Default Re: HELP 04 M3 ticking under partial load/blip the throttle

Quote:
Originally Posted by Bezugo View Post
I haven't driven the car much at all during the summer and when i did i made sure not to cause the pinging noise. Always very low throttle to avoid any strain to the engine.

I'm fortunate to live in a city with very good weather so i've been using my bikes a lot.
Summer has just finished there.

I would have had the car repaired during the summer, but i didn't want to leave the car at a shop for them to experiment with repairs without having a good idea of what could be.
You inspired me/reminded me to post a resolution to my first post on the forum, where I thought it was maybe a head gasket too...

http://www.m3forum.net/m3forum/showthread.php?t=591253
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'85 528e 164k miles (sold)
'05 M3 6MT coupe

All DIY: 330 ZHP steering rack, diffsonline 4.1 diff with rem polish, E60 short shifter lever, AKG black diff bushings/subframe bushings, Rogue rtab, WPC rod bearings, Beyer driveshaft, full SS (SS stepped V1, catted S1, resonated S2, SS sport), Sachs clutch/flywheel, rear main, VANOS bullet proofing with anti-rattle, valve adjustment, cooling refresh, Ohlins R&T/Swift 448f 672r/GC street tops and camber plates, AFD E85 Proflex kit.

Happy to help with VANOS or any other DIY job around NorCal
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Old Thu, Nov-01-2018, 10:38:42 PM   #24
Bezugo
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Default Re: HELP 04 M3 ticking under partial load/blip the throttle

Quote:
Originally Posted by mrgizmo04 View Post
Your first post says "never in neutral".

Confirm with an actual compression test. Inspect your oil/coolant caps.

Reading posts and watching videos is like going on WebMD to diagnose something mild, there will be options that say the world is ending and you might have cancer, where as the symptoms could be fixed with just hydrating more.

Could just be misfires. I fixed mine with a valve adjustment (2 on the problematic cylinders were out of spec), ran HEET through a tank of gas to dry out moisture in the lines and got new coils. Was also debating if it was a head gasket...

Sent from my SM-G950U using Tapatalk
I've just read your thread. It seems that it could be the same thing, but my car doesn't make any noises in neutral.
It only happens under partial load. Going up on a highway in 6th at 60mph for example.
If i floor it, the sound is gone. If i back off, it's gone. If i drive smoothly using about 20% throttle there is no sound. Press it just a bit more and it starts. Floor it, it's gone.

There is a very slight fluctuation at idle but only sometimes. More noticeable when AC is on.

No smoke at all from the exhaust and no loss of power that i can tell.
No overheating of any kind. Even with very high ambient temperatures and stop and go traffic it has never passed the middle of the scale, nor has gone under.
No loss of coolant or oil.


But i hope you are right and it is just a valve adjustment.
Soon i will make a compression test to make sure.
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Old Thu, Nov-01-2018, 11:33:12 PM   #25
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Default Re: HELP 04 M3 ticking under partial load/blip the throttle

Just for some context and continuity i should say that i have been to a shop that specializes in BMWs. We put the car on a lift, then tried to replicate the sound in 6th gear through all throttle variations and nothing happened. No pinging sounds.
Probably because there is still not enough load on the engine.

Their first suspicion was rod bearings, but after some thought and another opinion from their boss, they highly doubt that is the case. As do i. The rod bearing sound is much different and happens even at idle speeds.

I will also do an oil analysis, change the oil and filter (last service was not long ago) and go from there.
Compression and leakdown test will probably help a lot with the decision.

If everything checks out ok, i will just do a valve adjustment. It's probably time anyway as she's reaching 79k miles
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Old Wed, Nov-14-2018, 01:50:20 PM   #26
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Default Re: HELP 04 M3 ticking under partial load/blip the throttle

Have you checked the cams for any little part of any of the lobes for what looks like itís not making contact as it goes around? It will look like a small 1 or 2 mm line that still has oil on it.


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Old Wed, Nov-14-2018, 01:56:24 PM   #27
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Default Re: HELP 04 M3 ticking under partial load/blip the throttle

Oh if you live in San Diego riverside area or in so cal you can bring her over and Iíll be able to garuntee a diagnosis or I can come to you and hook up the rheingold and run the ista D. Free of charge. 760-889-8550.


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Old Wed, Nov-14-2018, 02:15:37 PM   #28
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Default Re: HELP 04 M3 ticking under partial load/blip the throttle

Thanks but i'm in Europe.

I just came from the shop where they specialize in BMW's and they did a compression test.
First they said they couldn't because the good gauge was apparently bad or clogged. So i went there and they had two others which aren't as good. I told them to use one of those as the main thing to look for is a discrepancy between the cylinders. They did and the results were what i expected.

Cylinders 5 and 6 had far less compression than the others which were all similar in compression. But i would suppose that both 5 and 6 were similar and 5 was a bit lower than 6.
We could also hear air escaping under pressure on 5 and 6. Not on the others.

Is this conclusive? Head gasket?
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Old Wed, Nov-14-2018, 08:05:28 PM   #29
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Default Re: HELP 04 M3 ticking under partial load/blip the throttle

Quote:
Originally Posted by Bezugo View Post
Thanks but i'm in Europe.

I just came from the shop where they specialize in BMW's and they did a compression test.
First they said they couldn't because the good gauge was apparently bad or clogged. So i went there and they had two others which aren't as good. I told them to use one of those as the main thing to look for is a discrepancy between the cylinders. They did and the results were what i expected.

Cylinders 5 and 6 had far less compression than the others which were all similar in compression. But i would suppose that both 5 and 6 were similar and 5 was a bit lower than 6.
We could also hear air escaping under pressure on 5 and 6. Not on the others.

Is this conclusive? Head gasket?
Hey there - unfortunately I am going to guess it is head gasket as well.

I was fighting what I thought was an exhaust leak for months, but it turned out the engine had blown the head gasket between 5-6 cylinders.

I wasn't going through fluids, and there was no evidence of any coolant in the oil. Sure enough, 5th cylinder compression was in the mid 70s, and the gasket had lost both small areas between 4th and 5th, and 5th and 6th cylinders.

If I were to guess, you blew the head gasket between two cylinders. Let us know what you find! It might seem like a crazy amount of work, but just sit down and plan everything out and it will be fine
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Old Wed, Nov-14-2018, 10:04:15 PM   #30
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Default Re: HELP 04 M3 ticking under partial load/blip the throttle

If you have IG @michal.dano just did a head gasket job he told me he has a ton of pictures etc. He probably can help you out
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Discussing HELP 04 M3 ticking under partial load/blip the throttle in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)