I sincerely hope your not in my boat. As you can see it’s f##king sunk 
Started as a slight tick, then got loud
Started as a slight tick, then got loud
Loud tappet like noises from Engine....
- Thread starter T1berious
- Start date
RedUn said:
I think you can dismantle the oil pump completely with a few screws and a circlip that holds in the pressure valve?
But its not something thats in bmw workshop manuals (as usual); a bit like the vanos. BMW only knows replace.
All particles will get trapped in the oil filter once its gone through the pump (it pumps directly in the filter). All cars are set up like that. First the filter, then it goes to the critical points like bearings.
Maybe they replace it because they fear the oil pump suffered damage.
Guido definitely, a good strip down and some proper cleaning would sort it but a dealers would never do that these days!
And your right about the filter but all the crap has to go through the pump once and if it's a constant wear over x number miles, all of it has gone through, it just won't have circulated in theory anyway!
And your right about the filter but all the crap has to go through the pump once and if it's a constant wear over x number miles, all of it has gone through, it just won't have circulated in theory anyway!
So have they dropped all the big end shells out and checked the crank ???
Any pics of the spun shell ?
I have rebuilt numerous S54's over the years that have spun the bearing and the crank is ALWAYS marked.. Especially one that is knocked that hard...
Have they removed the cam cover too ?
Any pics of the spun shell ?
I have rebuilt numerous S54's over the years that have spun the bearing and the crank is ALWAYS marked.. Especially one that is knocked that hard...
Have they removed the cam cover too ?
for the sake of a grand its really worth doing these bearings at the 70k mark imo..... its cheap insurance....
OP don't drop all this money into it and sell it, you wont recoup anything, may as well run it till it for the foreseeable, even if you stick it in the garage for abit and forget about it if you decide to try something else.
OP don't drop all this money into it and sell it, you wont recoup anything, may as well run it till it for the foreseeable, even if you stick it in the garage for abit and forget about it if you decide to try something else.
Mine failed @ 58k
There is also play in what I think it the oil pump, wasn’t paying attention as per.
There is also play in what I think it the oil pump, wasn’t paying attention as per.
T1berious said:
Engine sounds exactly like mine did.
That’s definitely not followers or cams
That’s bottom end
john-e89 said:
Sometimes it can do the rod too..
In my experience though it always marks the crank, sometimes not fatally and can be dressed back if customer doesn't want to spend ..
That said , I'm no specialist in the S54, just repaired them within my line of work..
But at the very least I would be checking for journal ovality... it's rare that with a prolonged knock that bad that you get away with it..
I had very good money that it was a top end fault on this car going off the video.. the noise frequency seemed way to fast for bottom end...
I have been wrong before though and I'm sure I will be wrong again
Update:
They had the cam covers off and I asked them to check the valve clearances while they were at it.
As I understand it (as stated by others) the oil pump was replaced rather than risk it causing another issue, totally got my vote.
Yes indeed, it was bottom end. I believe the crank was not damaged enough to warrant replacement but as someone who know next to nothing about the inner workings of the S54 Engine I'll have to trust the guy who's working on it
(Plus wouldn't they want to replace the crank if it was damaged?)
Plus I'm no where near the Garage so again I can't really pop in and want to see damaged parts and setup a web cam of the work being done (wouldn't that be cool?)
But I will ask about the crank today.
Cheers for all the input guys, the good news is (as I understand it) after this work she'll be good for another 100k! SWMBO is still wanting put the nails in though.....
T1b
They had the cam covers off and I asked them to check the valve clearances while they were at it.
As I understand it (as stated by others) the oil pump was replaced rather than risk it causing another issue, totally got my vote.
Yes indeed, it was bottom end. I believe the crank was not damaged enough to warrant replacement but as someone who know next to nothing about the inner workings of the S54 Engine I'll have to trust the guy who's working on it
(Plus wouldn't they want to replace the crank if it was damaged?)
Plus I'm no where near the Garage so again I can't really pop in and want to see damaged parts and setup a web cam of the work being done (wouldn't that be cool?)
But I will ask about the crank today.
Cheers for all the input guys, the good news is (as I understand it) after this work she'll be good for another 100k! SWMBO is still wanting put the nails in though.....
T1b
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