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johne View Drop Down
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Points: 30 		Direct Link To This Post Topic: Washer pump and more!!
    Posted: 17-May-2004 at 10:00

Managed to kill an hour in the sun at the weekend looking at washers. 2 pumps under the main washer tank (1 for headlamp wash / 1 for screen).

Checked for a 12v feed, which was OK, then removed pump, gave it a whack or 2! and cleaned all connections - now OK! (Also cleaned out lumpy / slimy water - which might help!)

Same process was a no go for the separate (intensive wash) system - so new pump needed some time.

On the 'running hot' issue - I tried the newspaper in the fan trick - and could actually have stopped the fan with a bread stick! - I guess the coupling is suspect. How easy a fix is this? How much for the coupling?

Cheers
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Brucey View Drop Down
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Points: 744 		Direct Link To This Post Posted: 14-May-2004 at 21:50

- washer pump; I agree, a good clout may sort it out; I managed to do mine in situ (drier feet this way, oddly enough...)

-First, I just hooked up a battery charger to the terminals of the motor. If it turns right away, then you likely have a problem somewhere else... if not, a few taps with a screwdriver handle (say) and it may spring back into life, and you know right away when you're done smiting it...

cheers

 

~~~~~~~ Brucey   ~~~~~~
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Nick View Drop Down
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Points: 1319 		Direct Link To This Post Posted: 14-May-2004 at 19:38
WASHER PUMP FIX

The washer pump failing probably means it has stuck.

Pull it out of the washer reservoir.. the water will all come out over your shoes!

Unplug the connection..

Tap it on the floor or a wall..

I am 99.9% sure that will get it working again.
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Horsetan View Drop Down
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Points: 6381 		Direct Link To This Post Posted: 14-May-2004 at 11:19
Original spec TRX alloys for the post-May 1982 635CSi are listed in BMWs ETK as "Fuchs"-style (Fuchs being the person or styling house responsible mainly for Porsche alloys!).

Size is 165 TR 390 (which equates to 6.5inches x 15.3 inches).

Offset (ET) is 22mm.

Speaking from experience, Avon TRX CR28 Turbospeeds (220/55 R 390 V) suffer from variable manufacturing quality, and tend to be very unhappy if you leave the car standing for long periods (i.e. weeks). They are crap in snow, rain, mud... and dry tarmac... but I can't afford Michelins so Avons are what I have

I've heard of Colway making metric tyres as well, but have not come across anyone who actually stocks them.

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Dan Stevens View Drop Down
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Points: 36 		Direct Link To This Post Posted: 14-May-2004 at 10:32
You've got the 635's original size. You could go smaller, I suppose, but you might as well buy imperials if you're going to change everything, and 635s need as much grip as you can afford to buy. Keep the metric wheels, because one day they'll be really rare, but driving round on metric tyres in 2004 is like living in Victorian house and having an outside toilet!
Temp gauge - one third up the dial is normal position at operating temp, and it shouldn't move much - halfway is acceptable. As long as it's not actually overheating it's OK, but it's worth getting the cooling system flushed because these cars have all alloy engines which are rather prone to damage from faulty cooling systems. And use a good quality anti-freeze that's suitable for aluminium radiators! Also, check the operation of the viscous fan - stick a rolled up newspaper or folded piece of card into it with the engine on at operating temp. If it stops the fan, the coupling's no good and will affect the cooling. Try here for more info
Dan
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johne View Drop Down
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Points: 30 		Direct Link To This Post Posted: 14-May-2004 at 10:14

Thanks again for the feedback - all useful (and expensive as usual!) stuff - don't like the sound of the dunlops!!

I know its a well worn argument over the imperial vs metric debate - but I do want to keep mine as original(ish) as I can. Was there a metric size wheel style / model fitted as original to the 635 - even a metric verion of the 'bottle top' design?

Torch - dealer told me these can't now be ordered via BMW - have to find an old (working) one.

As an aside - how much movement to other 635 owners get on the temperature gauge? - I'm trying to judge if I have (another!) problem. Mine sits at about a third up the dial when on the move but moves up to two thirds or more if stuck in traffic. Any comments welcome.

Cheers
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Sohlman View Drop Down
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Points: 1259 		Direct Link To This Post Posted: 13-May-2004 at 19:38

I had some dunlops on mine when i bought it and later found out that although they appear to fit they don't fit inside the inner rim which could result in a tyre blow out so i had them taken off. In order to get over this they had in fact glued the tyres on and it took my tyre fitter one hour per tyre to get them off. My recomendation would be to buy Imperial wheels. They last longer, grip better, are less noisey and cost less. Enough said. As for the Avons they are a tyre, but IMO they are rubish and the Michelins are exspensive and 30 years out of date in tyre design. I would go with a 16 or 17 and no wider than a 9" wheel at the rear and an 8" wheel at the front.

As for all the other bits i cannot fault Horsey's advice
Sunday 10th July Brooklands Sharkfest and Big Coupe Day. Coupe Events
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Brucey View Drop Down
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Points: 744 		Direct Link To This Post Posted: 13-May-2004 at 19:36

- I bought a new glovebox torch last year, from my local BMW dealer. I can supply details of the correct part no. if you require.

-I also noted (after I'd bought a new one...) that it is possible to open the torch (it is plastic welded, not very well) and replace  the cells if required; they are similar to the ones used in PC motherboards as memory backup power. 

cheers

 

~~~~~~~ Brucey   ~~~~~~
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Horsetan View Drop Down
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Points: 6381 		Direct Link To This Post Posted: 13-May-2004 at 16:13
Originally posted by johne johne wrote:

....Washer pump – I’m still interested to know how I might tell if it’s the relay or the pump knackered (or something else??) before I start dismantling.



If you're handy with a multimeter, then you can check whether electrical current is actually reaching the terminals of the washer pump.

Originally posted by johne johne wrote:

Wheels – I checked out the Dunlop site. They appear to do two 390 rims....I want to keep as original as I can (until I can stretch to some Alpinas maybe!) so am about to get the original ‘bottle top’ wheels refurbed – so need metric tyres. Anyone tried the dunlops?



Nope, not tried Dunlops. But the Big Coupe Groupe has a useful table showing the differing tyre sizes and aspect ratios for the E24. You should be able to view it by clicking HERE, and this should indicate what to expect if you use Dunlops...

Edited by Horsetan

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johne View Drop Down
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Points: 30 		Direct Link To This Post Posted: 13-May-2004 at 16:06

Cheers Ivan,

 

I’ve left a message for Nelson re: bumper corner (hope he’ll do a bargain deal!!) - but I think he's only got 1 - and of course I need 2.

 

Washer pump – I’m still interested to know how I might tell if it’s the relay or the pump knackered (or something else??) before I start dismantling.

 

Wheels – I checked out the Dunlop site. They appear to do two 390 rims

 

Fitment

Performance

LSI

Pattern

Type

Tech 1

Tech 2

 220/65R390

 HP

 97 V

 TD SP Sport 300

 -

 TD

 Stop safe with bead lock

 230/55ZR390

 UHP

 -

 TD SP Sport 2000 E

 -

 TD

 Stop safe with bead lock

 

I want to keep as original as I can (until I can stretch to some Alpinas maybe!) so am about to get the original ‘bottle top’ wheels refurbed – so need metric tyres. Anyone tried the dunlops?

 

Thanks for the other info – and Killian – I too have landed a non-fitting torch!
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kbannon View Drop Down
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Points: 15508 		Direct Link To This Post Posted: 13-May-2004 at 15:09

you could try ebay for the torch. However, as I found out, they don't all match - I bought one recently and found it was of a newer type and so didn't fit my E30 (which I would imagine takes the same torch as the E24).

I had to go and get an E39 just to keep the torch safe!
Current: 2009 E60 520d "Sport" tractor
Previous: 1989 E30 320i SE
1997 E39 523i
2003 E39 525i Sport Individual
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Horsetan View Drop Down
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Points: 6381 		Direct Link To This Post Posted: 13-May-2004 at 15:02
Originally posted by johne johne wrote:

...headlamp washers work (well one does!) but windscreen has stopped - which is a bit more annoying!) - Any ideas? - fuse (no.5 30A) is OK. Where is the washer pump? easy replacement? could it be relay K10? how would I know??



Interesting, this could be investigated further. The main washer pump is underneath the large windscreen cleaner fluid tank, mounted on the offside inner wing. Simple to replace, though you will have to cut off all the crimped hose connectors and replace with new ones.

Originally posted by johne johne wrote:

- tyres - the usual metric problem! - Currently on Avon 22/55/390's but Avon don't make them any more so i'm stuck with either a total re-fit with Michelins (££££'s) - or, a local guy says I can use a Dunlop metric 230/45/390 at half the price. Any views?



This is a new one on me, as I didn't know Dunlop were still making metric tyres. They were responsible for starting the whole TRX caper anyway! You need to make sure that the new size doesn't rub on any struts or suspension mountings.

I've never had any problems getting Avon TRX tyres (the quality of which is variable, stretching from indifferent to eccentric!).

Michelin TRXs are the best, but cost about £190 per tyre.

Or, like almost everyone else I know, you could go for imperial-sized alloys, with an offset of between 20 and 24mm, in any of the following sizes

7 x 15
7 x 16
8 x 16
8 x 17

Originally posted by johne johne wrote:

- annoying squeaking blower motor - any fixes?



Quite easy to get access to the blower motor, and a friend of mine in the US, Bob Duckworth, wrote an online guide on how to get at it, although he was actually aiming to get at the transistor that controls it! You will find his article HERE

Originally posted by johne johne wrote:

- front chrome bumper corners. I've been told not to re-chrome as rust will undoubtedly be coming from behind, but only replacements I can find seem to be ££££'s. Any ideas?



I'm afraid that new replacements will unavoidably cost a lot. Ask me how I know... See my link to Motormec below. Or save a little bit of money, and contact Forum member Nelson HERE

Originally posted by johne johne wrote:

I also have a dented rear bumper centre section which could do with replacing.



Again, see below...

Originally posted by johne johne wrote:

- glove box torch. BMW don't supply any more. Any ideas where I can get a replacement?



Ditto.

Originally posted by johne johne wrote:

- previous owner replaced the wings - straight over dodgy inner wings! - local classic car restorer reckons he can make up front sections, weld in and paint up for about 25 hours labour - any experiences to relay?



I initially had both original wing panels cut to remove the rusty areas, and new metal patches welded in, plus a respray of the panels for £350. That was in 1996. The resulting repairs lasted 5 years (left wing) and 6 years (right wing) before rust re-appeared. I subsequently paid £800-ish for a pair of new wing panels. For new wings and chrome bumper components, you could do worse than visit THIS PAGE at Motormec, which will give you all the prices for each part...

...or you could phone Andy Howlett at Motormec (01502) 500590. Tell him Ivan sent you. My car is also displayed in Motormec's Customer Gallery...

Edited by Horsetan

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johne View Drop Down
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Points: 30 		Direct Link To This Post Posted: 13-May-2004 at 14:32

Hello all - Haven't been on the site for a few months but have just about got most of the niggles on my 635 sorted - except:

- headlamp washers work (well one does!) but windscreen has stopped - which is a bit more annoying!) - Any ideas? - fuse (no.5 30A) is OK. Where is the washer pump? easy replacement? could it be relay K10? how would I know??

- tyres - the usual metric problem! - Currently on Avon 22/55/390's but Avon don't make them any more so i'm stuck with either a total re-fit with Michelins (££££'s) - or, a local guy says I can use a Dunlop metric 230/45/390 at half the price. Any views?

- annoying squeaking blower motor - any fixes?

- front chrome bumper corners. I've been told not to re-chrome as rust will undoubtedly be coming from behind, but only replacements I can find seem to be ££££'s. Any ideas? I also have a dented rear bumper centre section which could do with replacing.

- glove box torch. BMW don't supply any more. Any ideas where I can get a replacement?

- previous owner replaced the wings - straight over dodgy inner wings! - local classic car restorer reckons he can make up front sections, weld in and paint up for about 25 hours labour - any experiences to relay?
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