E90Post
 


GetBMWParts
 
BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > UK Technical Forum > Engine Noise - Normal?



Reply
 
Thread Tools Search this Thread
      08-11-2012, 09:49 AM   #1
CarAbuser
Captain
 
CarAbuser's Avatar
 
Drives: E92 320d / E89 35i
Join Date: Jul 2010
Location: Worcestershire

Posts: 723
iTrader: (0)

Engine Noise - Normal?

Just been browsing through some threads about the timing chain rattle issue with the N47 engine and saw a video in one that sounded similar to my engine.

I don't know if it's just paranoia but my engine seems to have a similar sound in the background. It's not there on startup of the car but after the car has been revved the sound then appears.

This is the video of the timing chain rattle I saw posted in one of the threads (this is not my engine):


And this is a video of my engine just now while parked in my garage:
My Engine

The engine has always sounded like that, I just assumed it was a pump making the noise.

If it is the dreaded timing chain rattle then I will probably opt to chop it in for another E92 rather than pay the 2000 repair when it snaps!

Interested to hear from other 320d owners, if everyone elses engine sounds like that then it will put my mind at rest.
CarAbuser is offline   United Kingdom
0
Reply With Quote
      08-11-2012, 09:49 PM   #2
TripleBlack
First Lieutenant
 
TripleBlack's Avatar
 
Drives: 2007 BMW E93 335i
Join Date: Jun 2012
Location: London

Posts: 316
iTrader: (0)

Mine makes the same noise, if not worse.
TripleBlack is offline   United Kingdom
0
Reply With Quote
      08-12-2012, 09:43 AM   #3
CarAbuser
Captain
 
CarAbuser's Avatar
 
Drives: E92 320d / E89 35i
Join Date: Jul 2010
Location: Worcestershire

Posts: 723
iTrader: (0)

Quote:
Originally Posted by TripleBlack View Post
Mine makes the same noise, if not worse.
Do you know what it is that makes that noise?
CarAbuser is offline   United Kingdom
0
Reply With Quote
      08-12-2012, 09:53 AM   #4
TripleBlack
First Lieutenant
 
TripleBlack's Avatar
 
Drives: 2007 BMW E93 335i
Join Date: Jun 2012
Location: London

Posts: 316
iTrader: (0)

no, but I'm hoping some one comes along as tells you/us. The only way I'm going to find out next is when I take it in for a service.

There are occasions if you leave it to idle you will hear a distinctive knock which only goes if you play with the accelerator.
I hate pulling up at the lights and being next to a car that has an engine banging away like that now my one is doing it.
TripleBlack is offline   United Kingdom
0
Reply With Quote
      08-15-2012, 04:39 PM   #5
CarAbuser
Captain
 
CarAbuser's Avatar
 
Drives: E92 320d / E89 35i
Join Date: Jul 2010
Location: Worcestershire

Posts: 723
iTrader: (0)

Bit of a bump.

Anyone think the noise is anything to worry about?
CarAbuser is offline   United Kingdom
0
Reply With Quote
      08-17-2012, 03:57 PM   #6
:dziqsek:
Banned
 
Drives: Diesel
Join Date: Aug 2012
Location: Europe

Posts: 9
iTrader: (0)

I have same sound when i bought the car 3 years and 60.000 km ago, sound not increased a bit from that time and car still runs perfect so i dont think you need to worry about it.
:dziqsek: is offline  
0
Reply With Quote
      08-17-2012, 04:05 PM   #7
CarAbuser
Captain
 
CarAbuser's Avatar
 
Drives: E92 320d / E89 35i
Join Date: Jul 2010
Location: Worcestershire

Posts: 723
iTrader: (0)

Thanks, I appreciate the reply.

I wouldn't be too bothered about turbo or clutch failure since you can sort them out for less than a grand but if that timing chain goes it's a world of pain!
CarAbuser is offline   United Kingdom
0
Reply With Quote
      08-17-2012, 04:18 PM   #8
TripleBlack
First Lieutenant
 
TripleBlack's Avatar
 
Drives: 2007 BMW E93 335i
Join Date: Jun 2012
Location: London

Posts: 316
iTrader: (0)

Left my car running whilst I ran into the shops for a second on a quiet road. (Left my girlfriend in charge)
As I returned the noise coming from underneath the bonnet was significantly noticable, I havent heard any other motor that sounds like it on idle..... Well I have... a beat up banger!

The front was 'chugger chugging' away whilst the back had a nice exhaust rumble. Really looking forward to this upcoming service, hopefully something will be found that will be cheap and easy to fix
TripleBlack is offline   United Kingdom
0
Reply With Quote
      08-17-2012, 04:29 PM   #9
CarAbuser
Captain
 
CarAbuser's Avatar
 
Drives: E92 320d / E89 35i
Join Date: Jul 2010
Location: Worcestershire

Posts: 723
iTrader: (0)

Quote:
Originally Posted by TripleBlack View Post
Left my car running whilst I ran into the shops for a second on a quiet road. (Left my girlfriend in charge)
As I returned the noise coming from underneath the bonnet was significantly noticable, I havent heard any other motor that sounds like it on idle..... Well I have... a beat up banger!

The front was 'chugger chugging' away whilst the back had a nice exhaust rumble. Really looking forward to this upcoming service, hopefully something will be found that will be cheap and easy to fix
Rough idle on the 335i is often a symptom of HPF issues from what i've gathered on the main part of the forum. On the NA petrol engines it's the injectors and coil packs that make it idle rough, not sure if the 335i has those issues.
CarAbuser is offline   United Kingdom
0
Reply With Quote
      08-17-2012, 04:36 PM   #10
TripleBlack
First Lieutenant
 
TripleBlack's Avatar
 
Drives: 2007 BMW E93 335i
Join Date: Jun 2012
Location: London

Posts: 316
iTrader: (0)

Hmm! I know what that means !!

Last edited by TripleBlack; 08-18-2012 at 04:29 AM.
TripleBlack is offline   United Kingdom
0
Reply With Quote
      08-24-2012, 06:35 PM   #11
aurelios69
Registered
 
Drives: E92 320D
Join Date: Aug 2012
Location: Portugal

Posts: 1
iTrader: (0)

Hi, both should take a look at this, http://translate.google.pt/translate...enal-578548%2F
Petrol engines don't seem to suffer from this serious problem.
aurelios69 is offline  
0
Reply With Quote
      08-26-2012, 07:21 AM   #12
CarAbuser
Captain
 
CarAbuser's Avatar
 
Drives: E92 320d / E89 35i
Join Date: Jul 2010
Location: Worcestershire

Posts: 723
iTrader: (0)

Quote:
Originally Posted by aurelios69 View Post
Hi, both should take a look at this, http://translate.google.pt/translate...enal-578548%2F
Petrol engines don't seem to suffer from this serious problem.
Thanks for the link, the videos there are very helpful.
CarAbuser is offline   United Kingdom
0
Reply With Quote
      08-31-2012, 07:38 PM   #13
FNQ
New Member
 
Drives: 320d sport & innovation
Join Date: Aug 2011
Location: Cairns

Posts: 17
iTrader: (0)

Not sounding good

Quote:
Originally Posted by CarAbuser View Post
Just been browsing through some threads about the timing chain rattle issue with the N47 engine and saw a video in one that sounded similar to my engine.

I don't know if it's just paranoia but my engine seems to have a similar sound in the background. It's not there on startup of the car but after the car has been revved the sound then appears.

This is the video of the timing chain rattle I saw posted in one of the threads (this is not my engine):


And this is a video of my engine just now while parked in my garage:
My Engine

The engine has always sounded like that, I just assumed it was a pump making the noise.

If it is the dreaded timing chain rattle then I will probably opt to chop it in for another E92 rather than pay the 2000 repair when it snaps!

Interested to hear from other 320d owners, if everyone elses engine sounds like that then it will put my mind at rest.
If that is the exact noise as yours, it is coming from the timing chain.

Mine, a September 2008 and at 130k has just been in to have the timing chains, sprockets & guides replaced. At first, at 100k I thought I had picked up a grain of sand in one of the groves of the drive belt as the noise was slower than engine revs. I removed the belt and ran up the engine for a minute but the noise was still there. I realised it was coming from the timing area as the timing of the noise was at audible at about 1/10th of engine rpm. Indicating a chain link or gear tooth problem. I could have timed the noise and then divided it into engine rpm and narrowed it down to a chain or gear.

Anyway when it was pulled down the only noticable item was that the cam chain had a slightly stiff link. It looked like new with no stretch. The gears were like new. The guides had about 0.25mm wear if that, just a scuff.

I had expected lots of wear and stretch as I also had an oil analysis done indicating something wearing prematurely.

The noise must be amplified by the aluminium case.

It almost feels like it was pulled down for nothing, but it had to, as it could have had a cracked chain link ready to snap etc...

Anyway it is all fixed now and cruising.

All the best with yours

as
FNQ is offline   Australia
0
Reply With Quote
      08-31-2012, 08:28 PM   #14
CarAbuser
Captain
 
CarAbuser's Avatar
 
Drives: E92 320d / E89 35i
Join Date: Jul 2010
Location: Worcestershire

Posts: 723
iTrader: (0)

Mine isn't as severe as those in the videos and only seems to be audible after the car has been driven, I asked a mechanic when it was in for its MOT and he agreed that it could be the timing chain but I shouldn't be too concerned unless it get any worse.
CarAbuser is offline   United Kingdom
0
Reply With Quote
      10-08-2012, 01:48 AM   #15
chrisbmwcy
Private First Class
 
chrisbmwcy's Avatar
 
Drives: E92 320d M Sport
Join Date: Aug 2011
Location: Cyprus

Posts: 180
iTrader: (1)

Garage List
2007/7 BMW E92  [2.75]
Quote:
Originally Posted by :*******: View Post
I have same sound when i bought the car 3 years and 60.000 km ago, sound not increased a bit from that time and car still runs perfect so i dont think you need to worry about it.
Same here,

I have it for over a year, since bought car. I will ask my mechanic when I take in for a service next month. He will tell me what needs to be changed.. hope not all the timing chain mechanism
__________________
E92 Crismson Red M-Sport. CRD-T dual channel tuning. Pipercross Panel Filter. Custom Rear carbon dual diffuser
chrisbmwcy is offline   Cyprus
0
Reply With Quote
      10-10-2012, 07:01 AM   #16
AdrianSi
Second Lieutenant
 
AdrianSi's Avatar
 
Drives: E90 330d LCi MSport
Join Date: Jul 2011
Location: Midlands, UK

Posts: 228
iTrader: (1)

Had to have mine done on my N57 engine... under warranty but yes sounds like both of those videos. Gets worse about 1500-2500rpm on the N57.
__________________

E90 330d - N57
Prof Nav - 6FL - Visability Pack - Alpine Hi-Fi Upgrade - L7 Subwoofers - L7 rear mids + tweeters - 6FL
AdrianSi is offline   United Kingdom
0
Reply With Quote
Reply

Bookmarks

Tags
n47, rattle, ticking, timing chain

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
Forum Jump


All times are GMT -5. The time now is 02:47 PM.




e90post
Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
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