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timausten View Drop Down
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Joined: 17-August-2005
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Points: 33 		Direct Link To This Post Topic: M635 Engine parts
    Posted: 26-August-2005 at 05:50

Hi,

Sorry for all my questions recently, but I have more !

I need to change the Air flow meter, Idle control valve and SI board in my M635 (1987) My question is can I use a AFM and Idle crontrol valve from either a 635 or 735 as there areseveral showing on ebay or do I need a genuine M635 component and is the SI board standard for the year and can it be taken from any '87 BMW ?

Thanks
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Points: 6381 		Direct Link To This Post Posted: 26-August-2005 at 06:35
Originally posted by timausten timausten wrote:

Hi,

Sorry for all my questions recently, but I have more !

I need to change the Air flow meter, Idle control valve and SI board in my M635 (1987) My question is can I use a AFM and Idle crontrol valve from either a 635 or 735 as there areseveral showing on ebay or do I need a genuine M635 component and is the SI board standard for the year and can it be taken from any '87 BMW ?

Thanks

 

Being a 24-valver, I think the M635CSi has an AFM all on its own, so you're unlikely to be able to use the bog-standard 635/735 one.

The SI board: errm, you may be able to get away with using the one from the E28 M5 (not M535i). Not entirely sure whether the standard cars' SI board will be compatible. Thing is, you don't have the economy gauge, whereas the standard cars do.

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Points: 325 		Direct Link To This Post Posted: 26-August-2005 at 06:46

  

         The joys of buying a 'cheap'  M635 ! 

Profit is more reasonable than justice.
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Points: 6381 		Direct Link To This Post Posted: 26-August-2005 at 06:51

Originally posted by Hiabboy Hiabboy wrote:

The joys of buying a 'cheap'  M635 ! 

Go on, rub it in......

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timausten View Drop Down
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Points: 33 		Direct Link To This Post Posted: 26-August-2005 at 07:16

Thought so, have budgeted for the genuine parts but just trying to save a bit of money ! Could I take a AFM from a later 24V 5 series ?

Also the car likes to stall when cold (When at idle)unless I keep the revs a little higher , any ideas? (Cooling sensor broken, being replaced tomorrow)

Thanks
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Points: 6381 		Direct Link To This Post Posted: 26-August-2005 at 07:27

Aha, now we can get a better look at your car:

 

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timausten View Drop Down
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Points: 33 		Direct Link To This Post Posted: 26-August-2005 at 07:38
How did you do that ? Been wanting to put a few pics on here.
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Points: 6381 		Direct Link To This Post Posted: 26-August-2005 at 08:38

Originally posted by timausten timausten wrote:

How did you do that ? Been wanting to put a few pics on here.

Read this

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AndyS View Drop Down
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Points: 1365 		Direct Link To This Post Posted: 26-August-2005 at 13:38
Originally posted by timausten timausten wrote:

Could I take a AFM from a later 24V 5 series ?

If you mean the M5 3.6 it may be possible. You could try cleaning yours up first.

Originally posted by timausten timausten wrote:

Also the car likes to stall when cold (When at idle)unless I keep the revs a little higher , any ideas? (Cooling sensor broken, being replaced tomorrow)

Idle control valve gummed up?
AndyS
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timausten View Drop Down
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Points: 33 		Direct Link To This Post Posted: 26-August-2005 at 15:29

So, anyway what do you think of the car ! Needs a clean I know !
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Points: 6381 		Direct Link To This Post Posted: 26-August-2005 at 17:45
Not too bad, so! I've seen worse....

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Points: 325 		Direct Link To This Post Posted: 27-August-2005 at 05:34
   The airflow meter fitted to a M635 is only fitted to that model and e28 M5s  . Best to buy new as most used ones will be 20 years old and sh*gged ,like yours.  Assuming that is the problem, get all the basics checked before jumping in and buying lots of parts.
Profit is more reasonable than justice.
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Points: 331 		Direct Link To This Post Posted: 29-August-2005 at 16:43

Get the SI board from www.programainc.com absolutely fantastic in my 6, and no ******* batteries to leak everywhere on their boards + a 3yr guarantee.

Only problem is they are in Florida - but sent me mine OK, ended up costing about £150 after the UK customs import duty.(gits)

check out the web

-Ben
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Points: 6381 		Direct Link To This Post Posted: 29-August-2005 at 17:07
Originally posted by phb10186 phb10186 wrote:

...ended up costing about £150 after the UK customs import duty.(gits)

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