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      04-15-2010, 08:28 PM   #1
esses
 
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Question 135i turbo failures -- update

So I got my car back today with two new turbos. Ran it through its paces and no problems so far. No more engine ticking. Hopefully all is back to normal.

As you can see, it looks like BMW is routinely looking for aftermarket parts to deny coverage. Luckily my car is clean because realoem lists the chargers alone at $1900 a pop.

Below is the writeup, typos and all. Any BMW people want to take a look at the codes, SIB, or case number to see if there is any more info to give us?

RAN SHORT TEST. RETRIEVED FAULT CODE 20FF STORED UNDER DME 5 TIMES. NOT PRESENT. FOUND SIB 12 28 07. CHECKED NO AIR LEAK OR RESTRICTIONS. NO AFTER MARKET MODULES INSTALLED. DID THE MEASSURED ACCORDING TO THE SIB. ALL THE MEASUREMENT NORMAL. BUT FOUND THE BOTH TURBOS ROD NOT MOVING WHEN APPLY VACUUM TO THEM. SENT TC CASE TO REQUEST REPLACEMENT. CASE NUMBER 30634913 APPROVED TO REPLACE BOTH TURBOS. REPLACED THE BOTH TURBOS. CLEARED FC.
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      04-15-2010, 08:35 PM   #2
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Thanks for the heads up. Glad you got it back.

Did they tell you why both of them failed?
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      04-15-2010, 08:37 PM   #3
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      04-15-2010, 08:49 PM   #4
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Good to hear you got your ride back, but i got ask. In order to remove and replace the turbos they had to "pull the motor". Say aint so One and only reason i never got an B5 S4 was in order to replace turbos, the motor had to be yanked.......I pray that the turbos can be removed from under the car with out pulling the motor..........I pray
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      04-16-2010, 03:59 AM   #5
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Why would a bad turbo(s) cause an engine ticking sound?

Wouldn't that be lifters?

???
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      04-16-2010, 12:06 PM   #6
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Quote:
Originally Posted by Dackelone View Post
Why would a bad turbo(s) cause an engine ticking sound?

Wouldn't that be lifters?

???
yea id like to know that too. I have that ticking noise like alot of cars do. but im sure its lifters not a turbo thing.
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      04-16-2010, 05:51 PM   #7
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I have heard that any D.I. (direct injection) motor will make 'some" ticking sound.

It is a like(simular) to common-rail diesel engines. Part of the nature of the beast of the sound they make at idle.
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      04-16-2010, 07:23 PM   #8
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Did you have any software on the car prior to the turbos failing?
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      04-17-2010, 05:53 PM   #9
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Quote:
Originally Posted by Cuz5150 View Post
Good to hear you got your ride back, but i got ask. In order to remove and replace the turbos they had to "pull the motor". Say aint so One and only reason i never got an B5 S4 was in order to replace turbos, the motor had to be yanked.......I pray that the turbos can be removed from under the car with out pulling the motor..........I pray
The turbos on the 135i are even more difficult to replace than the B5 S4. On the S4, you can just pull the motor out the front and unbolt them (done it a number of times). The location of the turbos on the 135i is an even tighter fit than the S4. That engine would have to come out.
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      04-17-2010, 06:24 PM   #10
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Quote:
Originally Posted by Nigel135i View Post
The turbos on the 135i are even more difficult to replace than the B5 S4. On the S4, you can just pull the motor out the front and unbolt them (done it a number of times). The location of the turbos on the 135i is an even tighter fit than the S4. That engine would have to come out.
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I hope the turbo lady's never sings under my hood
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      04-17-2010, 10:20 PM   #11
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Quote:
Originally Posted by NYC6 View Post
Did they tell you why both of them failed?
No, that is the $10,000 question (literally). They said the turbos had a defect. One turbo, sure, I can see that. But two turbos? On the same car? That is why I posted the case number. Would be great if one of the BMW people who frequent these boards could look it up and give us more info. (hint!)

Quote:
Originally Posted by Dackelone View Post
I have heard that any D.I. (direct injection) motor will make 'some" ticking sound.
It is a like(simular) to common-rail diesel engines. Part of the nature of the beast of the sound they make at idle.
True. And when I first heard it I hoped it was just the injectors. But when you get RPM loss and reduced power you know something else is wrong.

Quote:
Originally Posted by Dackelone View Post
Why would a bad turbo(s) cause an engine ticking sound?
Wouldn't that be lifters?
On a car with synth oil since it rolled off the line? I did not see any misfires and a ticking lifter would not explain RPM loss.

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Originally Posted by SlickShift View Post
Did you have any software on the car prior to the turbos failing?
Nope.
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      04-18-2010, 07:51 AM   #12
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A little WD-40 on those turbo rods, and they would have been fixed!
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      02-16-2013, 10:33 PM   #13
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What kind of performance issues did you experience before your turbos failed?
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      02-17-2013, 02:29 AM   #14
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I don't think the motor needs pulling to replace the turbos. I recently spoke to a tech at my dealership & he said he replaced the turbos on an N54 by removing the subframe.
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      02-17-2013, 06:05 PM   #15
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Quote:
Originally Posted by Dackelone View Post
I have heard that any D.I. (direct injection) motor will make 'some" ticking sound.

It is a like(simular) to common-rail diesel engines. Part of the nature of the beast of the sound they make at idle.
LOL you want to hear ticking injectors, listen to a BMW M42...
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      02-17-2013, 10:52 PM   #16
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When they say no aftermarket modules detected.... Would they be able to tell if the car had Cobb in the past?
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      02-18-2013, 06:23 PM   #17
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Quote:
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When they say no aftermarket modules detected.... Would they be able to tell if the car had Cobb in the past?
dont think so, it flashes your stock ecu back once removed.
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      02-18-2013, 07:23 PM   #18
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and that is why i have a 128i

Glad you got your car back.
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      02-18-2013, 08:07 PM   #19
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What were the symptoms of turbo failure lack of boost? Noise?
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      02-18-2013, 09:37 PM   #20
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What were the symptoms of turbo failure lack of boost? Noise?
Usually it is not the turbo itself that fails... but the actuator arms for the wast gates fail. They will hold open and just dump any boost trying to be built up. They will rattle like crazy is a usual sign of them starting to go.

Luckily each turbo is now only about 800 for the manifold and turbo assembled from BMW. When this thread was created about 1600 a piece...
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      02-18-2013, 09:48 PM   #21
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Wow sounds like a good deal but still...I wouldn't want to fork out the 1600+ dollars plus labor for the repair. So pretty much if you hear wastegate rattle its safe to assume the turbos need to be replaced? Isn't there an adjustment for the actuator arms?
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      02-18-2013, 09:50 PM   #22
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Seriously. Is the wastegate THAT integrated in? On my other turbos I can adjust the wastegate spring with a little work... But not $800 worth.
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