CSL Register

Go Back   CSL Register > General > Technical Area

Reply
 
Thread Tools Display Modes
Old 25-01-2012, 09:50 PM   #11
magnust
S4 - Getting the hang of it
 
magnust's Avatar
 

Join Date: Jan 2011
Location: Stockholm, Sweden
Posts: 138
Casino cash: $1477
magnust is on a distinguished road
Default

- I have stable oil temps IMHO (can't push it over 125 ever)
- Headgasket is new

Any ideas what to check?
__________________
My Swedish track day / hobby racing site: www.rejsa.nu
magnust is offline   Reply With Quote
Old 25-01-2012, 10:14 PM   #12
Bounce
CSL Register Uber-poster!
 
Bounce's Avatar
 

Join Date: Nov 2009
Location: Cornwall
Posts: 7,057
Casino cash: $35793
Bounce is on a distinguished road
Default

Quote:
Originally Posted by magnust View Post
- I have stable oil temps IMHO (can't push it over 125 ever)
- Headgasket is new

Any ideas what to check?
Thermostat
Bounce is offline   Reply With Quote
Old 25-01-2012, 10:16 PM   #13
shane@mbtech
CSL Register Uber-poster!
 
shane@mbtech's Avatar
 

Join Date: Feb 2009
Location: warrington
Posts: 5,419
Casino cash: $19783
shane@mbtech is an unknown quantity at this point
Default

As Brett says the thermostat could be sticking.

IMO throw the motorsport one in if you are not daily driving it, in v cold weather and never getting up to temp.
shane@mbtech is offline   Reply With Quote
Old 26-01-2012, 10:27 AM   #14
The Gorilla
S5, Sport Off, DSC M-track
 

Join Date: Apr 2008
Posts: 740
Casino cash: $14401
The Gorilla is an unknown quantity at this point
Default

Hi,

If your running the 55 deg stat, then in daily driving
once its opened, if in good order it will stay open
unless you have ambeint air temp of 7 deg and less.

The idea of the Sport Stat, is to open and stay open.

When you had the head Gasket replaced did you
re- surface / skim the head ?

S54 is alloy head and should be re-surfaced everytime
the HG is replaced.

Many do not and get away with it, some are not so lucky.

Get and old thermostat, remove the centre but keep
the outer, prevents water caviataion, and fit.

If you have water temp issues with what is
effectively 'no thermostat' then its Water pump,
Rad or more likely head related.

Regards,

The Gorilla.
The Gorilla is offline   Reply With Quote
Old 06-02-2012, 01:03 PM   #15
magnust
S4 - Getting the hang of it
 
magnust's Avatar
 

Join Date: Jan 2011
Location: Stockholm, Sweden
Posts: 138
Casino cash: $1477
magnust is on a distinguished road
Default

Thanks for the replies!!

Quote:
Originally Posted by The Gorilla View Post
...
When you had the head Gasket replaced did you
re- surface / skim the head ?

S54 is alloy head and should be re-surfaced everytime
the HG is replaced.
It was done by an authorized BMW shop under insurance. They had problems finding what was wrong, the motor had a strong ticking noise. After failing to find the source of the noise they removed the head. They then sent it off for finishing since they found a very tiny hairline crack between cyl. 5 and 6. And finally they found a worn down exhaust rocker on cyl 6 - the cause of the ticking of course - so they changed the cam and all rockers. Would I be right in presuming they'd re-surface, being authorized shop probably knowing this is a must do ?



Quote:
Originally Posted by The Gorilla View Post
...
Get and old thermostat, remove the centre but keep
the outer, prevents water caviataion, and fit.
Sounds like something I could take with me and swap to when at the track? Anyone know of any helpful pics on the net so I understand the "remove the centre but keep the outer, prevents water caviataion" better so nothing goes horribly wrong


/Magnus
__________________
My Swedish track day / hobby racing site: www.rejsa.nu
magnust is offline   Reply With Quote
Reply


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 +1. The time now is 08:18 PM.


Powered by vBulletin® Version 3.8.1
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
(c)www.wickedwifi.co.uk