F30POST
F30POST
2012-2015 BMW 3-Series and 4-Series Forum
BMW Garage BMW Meets Register Search Today's Posts Mark Forums Read
BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > B58 Turbo Engine / Drivetrain / Exhaust Modifications > B58 cylinder scoring/injector failure <any and all experiences>
proTUNING Freaks
Post Reply
 
Thread Tools Search this Thread
      02-02-2020, 12:24 AM   #23
jackstrath
Major
Scotland
486
Rep
1,132
Posts

Drives: 16' F31 340i & 03' Focus RS
Join Date: Aug 2014
Location: Aberdeen

iTrader: (0)

Quote:
Originally Posted by PURE340i View Post
Sorry I'm not BMWNA to pull up this "documentation" you're after. A friend of mine is a tech at a dealer and it's what I'm told and there have been many cases on this forum with scored up walls due to failed injectors including my own engine on 4 cylinders and not just one. The first one noted occurred in 2016 and it was not flashed..... JB4 only + meth and luckily the dealer covered it. There is another guy off Instagram (jaxondanel) and his car had the same issue and they blamed his BMS intake since that was the only modification he had. I'm not going to dig deep into which users and people have suffered with this issue.... I'm living proof with 4 scored up walls with 4 failed injectors.
Ignore the pests, care to add the dealers findings/results, your car spec age tune if any bolt ons ect ect ? Also if you got it fixed ect

Would be helpful
Appreciate 0
      02-02-2020, 12:29 AM   #24
///Madgreek1
Private First Class
///Madgreek1's Avatar
United_States
84
Rep
176
Posts

Drives: BMW 340i
Join Date: Nov 2019
Location: Tacoma, Wa

iTrader: (0)

Quote:
Originally Posted by PURE340i View Post
Sorry I'm not BMWNA to pull up this "documentation" you're after. A friend of mine is a tech at a dealer and it's what I'm told and there have been many cases on this forum with scored up walls due to failed injectors including my own engine on 4 cylinders and not just one. The first one noted occurred in 2016 and it was not flashed..... JB4 only + meth and luckily the dealer covered it. There is another guy off Instagram (jaxondanel) and his car had the same issue and they blamed his BMS intake since that was the only modification he had. I'm not going to dig deep into which users and people have suffered with this issue.... I'm living proof with 4 scored up walls with 4 failed injectors.
So did the dealer end up replacing your engine? Mileage when the failure occured?
I'm surprised to hear a dealer replaced an engine with meth injection, I would think that would similarly "void" the warranty and give them an excuse not to pay.
Appreciate 0
      02-02-2020, 11:11 AM   #25
Rockyca
First Lieutenant
24
Rep
348
Posts

Drives: 2016 340i M-Sport
Join Date: Jan 2012
Location: Toronto

iTrader: (1)

Might be helpful for some...

Check out this teardown of the b58tu.


Around 9:40 you can see the internal bores of a virtually new engine and there appears to be some very slight “scoring” lines. I think this issue may be overblown. I also think some of the bright lights on the borescopes may be highlighting some natural wear marks making them appear much worse than they actually are.

If compression, leak down, and oil consumption levels are all within check I don’t think there is much to worry about. Typically proper scored cylinders like those in a lot of 90s-2000s Porsche’s exhibit excessive oil consumption and I haven’t really heard of any oil consumption issues on this board. It is possible that all of our b58 engines look exactly the same but they haven’t been scoped because they run great and there is no need.

Think of how many bmw’s have this engine. If it was a widespread issue, you think we would have heard about it by now?
Appreciate 1
G.Newt303.00

      02-02-2020, 12:16 PM   #26
PURE340i
Banned
103
Rep
230
Posts

Drives: 2018 BMW 340i & 2011 335d
Join Date: May 2017
Location: California

iTrader: (0)

Quote:
Originally Posted by Rockyca View Post
Might be helpful for some...

Check out this teardown of the b58tu.


Around 9:40 you can see the internal bores of a virtually new engine and there appears to be some very slight “scoring” lines. I think this issue may be overblown. I also think some of the bright lights on the borescopes may be highlighting some natural wear marks making them appear much worse than they actually are.

If compression, leak down, and oil consumption levels are all within check I don’t think there is much to worry about. Typically proper scored cylinders like those in a lot of 90s-2000s Porsche’s exhibit excessive oil consumption and I haven’t really heard of any oil consumption issues on this board. It is possible that all of our b58 engines look exactly the same but they haven’t been scoped because they run great and there is no need.

Think of how many bmw’s have this engine. If it was a widespread issue, you think we would have heard about it by now?
When you have scored up walls and remove your oil filter you will see pieces of metal in there and the oil is glazed with metal. That is one good indication. You're right it does not happen to everyone, but there has been several cases on this forum.

Last edited by PURE340i; 02-02-2020 at 12:21 PM..
Appreciate 0
      02-02-2020, 01:14 PM   #27
Wires
Colonel
Canada
656
Rep
2,688
Posts

Drives: 2016 340i xDrive
Join Date: Apr 2008
Location: Calgary

iTrader: (0)

There are tons of "scoring threads" on this forum, mentioned on tuned and stock engines. Am I going to dig it up, nope, but feel free to use the search button.

The reality is it is highly likely that all of our engines have scoring issues, but nobody scopes the cylinder unless there is a failure.
Appreciate 0
      02-02-2020, 01:16 PM   #28
Wires
Colonel
Canada
656
Rep
2,688
Posts

Drives: 2016 340i xDrive
Join Date: Apr 2008
Location: Calgary

iTrader: (0)

Quote:
Originally Posted by ///Madgreek1 View Post
So did the dealer end up replacing your engine? Mileage when the failure occured?
I'm surprised to hear a dealer replaced an engine with meth injection, I would think that would similarly "void" the warranty and give them an excuse not to pay.
It is highly dependent on the dealer. Some are mod friendly, some are not. Yours was not, and your VIN got flagged.
Appreciate 0
      02-02-2020, 01:44 PM   #29
BMWILUVU
Major
421
Rep
1,009
Posts

Drives: 340ix
Join Date: Mar 2017
Location: The Boibs

iTrader: (0)

Quote:
Originally Posted by ///Madgreek1 View Post
Good evening,

I am writing to try to get info, and outcomes from anyone who.may have experienced the same issue I am having. Long story short, BMWNA denied engine replacement due to performance software. I am looking for any documented cases I can provide as evidence, especially if it resulted in engine replacement by BMW.

2016 340i rwd at 42k
Dinan intake, VRSF downpipe, remus exhaust, bm3 stage 2

Cylinder misfire, scoring on cylinder walls (#6)

Thanks for any help!
Is this a certified pre-owned? Why can't you say the previous owner caused this? In my opinion, cylinder scoring is bad air intake or an oil problem. No scoring problems on my tracked car.
Appreciate 0
      02-02-2020, 01:48 PM   #30
///Madgreek1
Private First Class
///Madgreek1's Avatar
United_States
84
Rep
176
Posts

Drives: BMW 340i
Join Date: Nov 2019
Location: Tacoma, Wa

iTrader: (0)

Quote:
Originally Posted by BMWILUVU View Post
Is this a certified pre-owned? Why can't you say the previous owner caused this? In my opinion, cylinder scoring is bad air intake or an oil problem. No scoring problems on my tracked car.
Certified pre-owned but not by BMW dealership (Honda dealer, so not REALLY certified lol)

I believe they can see when the DME was flashed (not sure though), negating any arguement that it was the previous owner.
Appreciate 0
      02-02-2020, 04:05 PM   #31
440MIA
New Member
United_States
23
Rep
12
Posts

Drives: 2018 440i Grand Coupe LCI
Join Date: Aug 2018
Location: Miami

iTrader: (0)

Take a look at the screenshots I attached. I'm not sure if these changes in the B58TU have anything to do with this.
Attached Images
  
Appreciate 1
G.Newt303.00

      02-02-2020, 06:17 PM   #32
JD11937
Second Lieutenant
100
Rep
250
Posts

Drives: 2017 M240xi
Join Date: Aug 2018
Location: East Hampton, NY

iTrader: (0)

Wonder if that crappy 0-20 oil has anything to do with it.
Appreciate 0
      02-02-2020, 10:50 PM   #33
Rockyca
First Lieutenant
24
Rep
348
Posts

Drives: 2016 340i M-Sport
Join Date: Jan 2012
Location: Toronto

iTrader: (1)

Or if using something thicker than 0w20 has something to do with it??
Appreciate 0
      02-03-2020, 05:38 PM   #34
vinzcast21
Lieutenant
vinzcast21's Avatar
135
Rep
432
Posts

Drives: F30 340i MY2017
Join Date: Jul 2018
Location: canada

iTrader: (0)

check my previous post
__________________
=================================
Mod bug will bite you if you buy a BMW
=================================
Appreciate 0
      02-03-2020, 05:49 PM   #35
G.Newt
Captain
303
Rep
663
Posts

Drives: 340i xDrive 6-Speed
Join Date: Feb 2017
Location: Denver, CO

iTrader: (0)

Quote:
Originally Posted by Rockyca View Post
Might be helpful for some...

Check out this teardown of the b58tu.


Around 9:40 you can see the internal bores of a virtually new engine and there appears to be some very slight “scoring” lines. I think this issue may be overblown. I also think some of the bright lights on the borescopes may be highlighting some natural wear marks making them appear much worse than they actually are.

If compression, leak down, and oil consumption levels are all within check I don’t think there is much to worry about. Typically proper scored cylinders like those in a lot of 90s-2000s Porsche’s exhibit excessive oil consumption and I haven’t really heard of any oil consumption issues on this board. It is possible that all of our b58 engines look exactly the same but they haven’t been scoped because they run great and there is no need.

Think of how many bmw’s have this engine. If it was a widespread issue, you think we would have heard about it by now?
This. No loss of compression, no oil loss, no leaks discovered from leakdown test, no replace motor.
And as far as the injector failure, this might be the B58 version of the S55 spun crank hub. Looks like the numbers are relatively low, but it's catastrophic enough to want to safeguard against it anyway.
Appreciate 0
      02-03-2020, 05:58 PM   #36
JD11937
Second Lieutenant
100
Rep
250
Posts

Drives: 2017 M240xi
Join Date: Aug 2018
Location: East Hampton, NY

iTrader: (0)

Quote:
Originally Posted by G.Newt View Post
Quote:
Originally Posted by Rockyca View Post
Might be helpful for some...

Check out this teardown of the b58tu.


Around 9:40 you can see the internal bores of a virtually new engine and there appears to be some very slight “scoring” lines. I think this issue may be overblown. I also think some of the bright lights on the borescopes may be highlighting some natural wear marks making them appear much worse than they actually are.

If compression, leak down, and oil consumption levels are all within check I don’t think there is much to worry about. Typically proper scored cylinders like those in a lot of 90s-2000s Porsche’s exhibit excessive oil consumption and I haven’t really heard of any oil consumption issues on this board. It is possible that all of our b58 engines look exactly the same but they haven’t been scoped because they run great and there is no need.

Think of how many bmw’s have this engine. If it was a widespread issue, you think we would have heard about it by now?
This. No loss of compression, no oil loss, no leaks discovered from leakdown test, no replace motor.
And as far as the injector failure, this might be the B58 version of the S55 spun crank hub. Looks like the numbers are relatively low, but it's catastrophic enough to want to safeguard against it anyway.
How do we safeguard against it though? I don't know of any upgrades available yet.
Appreciate 0
      02-03-2020, 06:40 PM   #37
///Madgreek1
Private First Class
///Madgreek1's Avatar
United_States
84
Rep
176
Posts

Drives: BMW 340i
Join Date: Nov 2019
Location: Tacoma, Wa

iTrader: (0)

Dont know if this points to anything or is significant, but when I was searching for replacement injectors on dealer websites the page shows:

P/n: 13-53-8-625-396

Replaces p/n: 13-53-7-639-990

Does this mean the early b58 injectors needed a revision and it was just never stated publically? Why else would there be a replacement p/n?
Appreciate 0
      02-03-2020, 06:43 PM   #38
///Madgreek1
Private First Class
///Madgreek1's Avatar
United_States
84
Rep
176
Posts

Drives: BMW 340i
Join Date: Nov 2019
Location: Tacoma, Wa

iTrader: (0)

Appreciate 0
      02-03-2020, 08:24 PM   #39
Rockyca
First Lieutenant
24
Rep
348
Posts

Drives: 2016 340i M-Sport
Join Date: Jan 2012
Location: Toronto

iTrader: (1)

cost is pretty high for P/M. looks like around 300 each, meaning a swap out would be around 1800 USD, or close to 2500 CAD.
__________________
2016 340i | M-Sport | Mineral Grey | Coral Red | Bone Stock
Appreciate 0
      02-03-2020, 08:29 PM   #40
jackstrath
Major
Scotland
486
Rep
1,132
Posts

Drives: 16' F31 340i & 03' Focus RS
Join Date: Aug 2014
Location: Aberdeen

iTrader: (0)

Interestingly mine has 13538625396 fitted, did yours have 13-53-7-639-990?

That alone would be good to document, also id like to know what kinda fuel you had been running, and if always serviced ect and if any injector treatments used?
Appreciate 0
      02-03-2020, 08:29 PM   #41
G.Newt
Captain
303
Rep
663
Posts

Drives: 340i xDrive 6-Speed
Join Date: Feb 2017
Location: Denver, CO

iTrader: (0)

Quote:
Originally Posted by ///Madgreek1 View Post
Dont know if this points to anything or is significant, but when I was searching for replacement injectors on dealer websites the page shows:

P/n: 13-53-8-625-396

Replaces p/n: 13-53-7-639-990

Does this mean the early b58 injectors needed a revision and it was just never stated publically? Why else would there be a replacement p/n?
Always cross-reference against realoem: https://www.realoem.com/bmw/enUS/sho...diagId=13_1754

There's only 1 injector listed: the xxx396 ones. What did change was the high-pressure rail. Hmmmmm.
Appreciate 1
eluded2450.00

      02-03-2020, 08:30 PM   #42
Rockyca
First Lieutenant
24
Rep
348
Posts

Drives: 2016 340i M-Sport
Join Date: Jan 2012
Location: Toronto

iTrader: (1)

Quote:
Originally Posted by vinzcast21 View Post
check my previous post
What oil were you running when your car had its issues?
__________________
2016 340i | M-Sport | Mineral Grey | Coral Red | Bone Stock
Appreciate 0
      02-03-2020, 08:35 PM   #43
Nugget
Colonel
Nugget's Avatar
Australia
439
Rep
2,577
Posts

Drives: 2017 M140i, 1994 M3, 1997 M3
Join Date: Jan 2012
Location: Perth

iTrader: (2)

Garage List
2011 BMW 135i  [5.00]
Quote:
Originally Posted by ///Madgreek1 View Post
Dont know if this points to anything or is significant, but when I was searching for replacement injectors on dealer websites the page shows:

P/n: 13-53-8-625-396

Replaces p/n: 13-53-7-639-990

Does this mean the early b58 injectors needed a revision and it was just never stated publically? Why else would there be a replacement p/n?
That is interesting, I wonder when they swapped.
My car is Feb 2017 production and has 13-53-8-625-396
Appreciate 1
eluded2450.00

      02-03-2020, 08:44 PM   #44
Rockyca
First Lieutenant
24
Rep
348
Posts

Drives: 2016 340i M-Sport
Join Date: Jan 2012
Location: Toronto

iTrader: (1)

might be a totally different chassis also... my 04/16 production has the pn 13-53-8-625-396 listed in realoem with no previous revision.


edit:

https://www.realoem.com/bmw/enUS/par...90&series=F30N
__________________
2016 340i | M-Sport | Mineral Grey | Coral Red | Bone Stock

Last edited by Rockyca; 02-03-2020 at 08:50 PM..
Appreciate 1
eluded2450.00

Post Reply

Bookmarks

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -5. The time now is 01:19 PM.




f30post
Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2021, vBulletin Solutions Inc.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST