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Author Topic: Info on deisel 2.5 engine  (Read 2619 times)

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gareth.

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Info on deisel 2.5 engine
« on: 18 April 2009, 22:26:10 »
Just bought a 2.5 tdi on a splate 1998, with the head gasket gone (loosing water but oil is normal). Thermostat checked.
Haynes manuals don't cover diesel models, but its a bmw engine I believe, so can I get the info from bmw to work on the engine.
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TheBoy

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Re: Info on deisel 2.5 engine
« Reply #1 on: 18 April 2009, 22:28:07 »
It is a beemer engine, what do you want to know.

First thing, if HG failed, BMW state you cannot skim these heads...
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gareth.

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Re: Info on deisel 2.5 engine
« Reply #2 on: 18 April 2009, 22:33:29 »
why are they steel.
i bought the car cheap and its the same colour as my petrol omega, so i was going to change the hg and see how it goes, but even though i'm pretty handy I was hoping for a bit of info prior to me starting the job.
Do bmw use the same engine in any of their cars?
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TheBoy

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Re: Info on deisel 2.5 engine
« Reply #3 on: 18 April 2009, 22:40:17 »
Quote
why are they steel.
i bought the car cheap and its the same colour as my petrol omega, so i was going to change the hg and see how it goes, but even though i'm pretty handy I was hoping for a bit of info prior to me starting the job.
Do bmw use the same engine in any of their cars?
beemer m51tds engine used in 325tds and 525tds. 2 varients fitted to uk omegas, earlier non maf one and later maf.


for manual...
http://images.omegaowners.com/documents/25TD/M51D25_Engine.pdf
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gareth.

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Re: Info on deisel 2.5 engine
« Reply #4 on: 18 April 2009, 22:45:33 »
you are good !
Excuse my ignorance but what is "maf"
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TheBoy

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Re: Info on deisel 2.5 engine
« Reply #5 on: 18 April 2009, 22:49:15 »
Quote
you are good !
Excuse my ignorance but what is "maf"
Mass AirFlow sensor - a device that measures amount of air entering engine.

If your oil filter housing has a metal cap, its a non-maf U25DT (Vx's designation) engine, if it has a plastic cap, its a MAF X25DT (Vx's designation) engine.

Both mechanicaly identical, X25DT has a later management system, and later oil pump and filter, and a later fuel injection pump.
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Andy B

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Re: Info on deisel 2.5 engine
« Reply #6 on: 18 April 2009, 22:52:12 »
Quote
you are good ! ......

It's Jamie's favourite engine!!!  ::) ::) ::) :y :y :y
« Last Edit: 18 April 2009, 22:52:36 by Andy_B »
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TheBoy

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Re: Info on deisel 2.5 engine
« Reply #7 on: 18 April 2009, 22:54:01 »
Quote
Quote
you are good ! ......

It's Jamie's favourite engine!!!  ::) ::) ::) :y :y :y
LOL, I bloody well think not! ;D


Saying that, I do miss my tractor  :'(
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Andy B

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Re: Info on deisel 2.5 engine
« Reply #8 on: 18 April 2009, 22:58:29 »
Quote
Quote
Quote
you are good ! ......

It's Jamie's favourite engine!!!  ::) ::) ::) :y :y :y
LOL, I bloody well think not! ;D


Saying that, I do miss my tractor  :'(

I don't beleieve you for a minute!  ;D ;D ;D
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TheBoy

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Re: Info on deisel 2.5 engine
« Reply #9 on: 18 April 2009, 23:01:38 »
Quote
Quote
Quote
Quote
you are good ! ......

It's Jamie's favourite engine!!!  ::) ::) ::) :y :y :y
LOL, I bloody well think not! ;D


Saying that, I do miss my tractor  :'(

I don't beleieve you for a minute!  ;D ;D ;D
Believe me, I really do. It was a really good workhorse.  Its odd walking out on driveway, and it not being there  :'(
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unlucky alf

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Re: Info on deisel 2.5 engine
« Reply #10 on: 18 April 2009, 23:03:21 »
there was a guy on fleabay breaking one a while ago, said he was going to keep the head before scrapping the rest, i could try & find out if he has the head or not if you need it if ive still got his info :y
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gareth.

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Re: Info on deisel 2.5 engine
« Reply #11 on: 18 April 2009, 23:45:44 »
Why not, Thanks !

the link you gave me was for the beemer engine in the range rover ,i'm not well up on this engine and i'm not having the car till tomorrow to compare it. is it the same engine?
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JamesV6CDX

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Re: Info on deisel 2.5 engine
« Reply #12 on: 19 April 2009, 00:34:05 »
Quote
Why not, Thanks !

the link you gave me was for the beemer engine in the range rover ,i'm not well up on this engine and i'm not having the car till tomorrow to compare it. is it the same engine?

Pretty sure that's a positive...
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Omegatoy

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Re: Info on deisel 2.5 engine
« Reply #13 on: 19 April 2009, 07:21:41 »
yep same engine mate, what makes you think the headgasket is gone???
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TheBoy

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Re: Info on deisel 2.5 engine
« Reply #14 on: 19 April 2009, 10:16:33 »
Quote
Why not, Thanks !

the link you gave me was for the beemer engine in the range rover ,i'm not well up on this engine and i'm not having the car till tomorrow to compare it. is it the same engine?
yup, range rover 2.5dse used same bmw motor
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