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Is this weber ok?

Posted: Mon Aug 05, 2013 12:43 pm
by Junglistjed
Its from a 316 2 door (same as mine) but its fitted to a 1.6 and not a 1.8.. will it still fit mine ok?

http://www.ebay.co.uk/itm/BMW-E30-316-2 ... 7675.l2557

cheers

Re: Is this weber ok?

Posted: Mon Aug 05, 2013 12:45 pm
by Speedtouch
It should physically fit fine, and will probably work fairly well but may need rejetting for the larger engine to work at its best.

Re: Is this weber ok?

Posted: Mon Aug 05, 2013 1:09 pm
by Junglistjed
Rejetting mate? im tempted to get it as its going for cheap, depends how much rejetting will cost!

Re: Is this weber ok?

Posted: Mon Aug 05, 2013 1:09 pm
by Junglistjed
And do you know the things it should come with? The weber, manifold and air filter?

Re: Is this weber ok?

Posted: Mon Aug 05, 2013 1:37 pm
by Curr946
All E30 M10 engined cars were a 1766cc ( 1.8 ) the 316 was the carburater model where as the 318i was the injected model. but both used the same 1766cc engine so it will bolt straight on and will not need rejetted

Re: Is this weber ok?

Posted: Mon Aug 05, 2013 1:38 pm
by Curr946
The vehicle details for C829 JMJ are:
Date of Liability 26 03 2013
Date of First Registration 11 04 1986
Year of Manufacture 1986
Cylinder Capacity (cc) 1766cc
CO2 Emissions Not Available
Fuel Type PETROL
Export Marker N
Vehicle Status Unlicensed
Vehicle Colour WHITE
Vehicle Type Approval Not Available

Re: Is this weber ok?

Posted: Mon Aug 05, 2013 1:59 pm
by Junglistjed
Perfect! thanks a lot mate, any idea on whats meant to come with the weber? its being removed from the car so dont want him to forgot anything!

cheers

Re: Is this weber ok?

Posted: Mon Aug 05, 2013 2:06 pm
by Curr946
the manifold may be different. either that or it should come with an adapter plate to bolt it onto a standard manifold.
as long as all the throttle linkage is complete it should be good to go.
might be worth asking him to take note of any pipework for you to where it runs to extra.
also the choke linkage and cable will be needed

Re: Is this weber ok?

Posted: Mon Aug 05, 2013 2:09 pm
by Junglistjed
Thanks mate, i have sent him a message! what do you mean about the pipework? cheers

Re: Is this weber ok?

Posted: Mon Aug 05, 2013 2:11 pm
by Curr946
if theirs any vacuum or breather pipes where they run to. also if there's a vacuum advance pipe for the dissy stuff like that.

Re: Is this weber ok?

Posted: Mon Aug 05, 2013 2:32 pm
by Speedtouch
Also try and get the matching air filter assembly, and ideally, the choke and throttle cables.

Re: Is this weber ok?

Posted: Mon Aug 05, 2013 3:01 pm
by Junglistjed
He said he has cut the cables so it wont come with them? and shall i ask for those pipes?

Re: Is this weber ok?

Posted: Mon Aug 05, 2013 9:28 pm
by Speedtouch
Yes, get as many of the original fittings as possible.

They are critical to the proper functioning of the carb, and probably expensive to buy from a Weber concessionaire.

Re: Is this weber ok?

Posted: Mon Aug 05, 2013 9:36 pm
by Junglistjed
How much will the cables cost me?

Re: Is this weber ok?

Posted: Mon Aug 05, 2013 9:54 pm
by Speedtouch
Depends where you go; try Weber Concessionaires www.webcon.co.uk, or you may get lucky down at your local motor factors or on E-bay, here, an autojumble, or the scrappy...

Re: Is this weber ok?

Posted: Mon Aug 05, 2013 9:56 pm
by Junglistjed
Not sure if its worth the hassle to be honest, he wants £60 for the weber and the missing bits could set me back a fair bit!

Re: Is this weber ok?

Posted: Mon Aug 05, 2013 10:26 pm
by Speedtouch
I'd say that's a fair deal - you should be able to pick up the cable(s) for a tenner or so, and it may only need the throttle cable, assuming it's got an automatic choke.

You may even be able to adapt your present one to fit.

Re: Is this weber ok?

Posted: Mon Aug 05, 2013 10:31 pm
by Junglistjed
http://www.ebay.co.uk/itm/BMW-E30-316-W ... 3f27f3fbed

he's posted it so i can have a look, looks a bit battered to me?

Re: Is this weber ok?

Posted: Mon Aug 05, 2013 10:34 pm
by Speedtouch
The aftermarket mesh air filter indeed looks battered, but the carb itself is probably OK.

Re: Is this weber ok?

Posted: Mon Aug 05, 2013 10:37 pm
by Junglistjed
would i need a whole new filter? and what looks missing mate? i reckon ill buy it and start the hunt for whats needed!

Re: Is this weber ok?

Posted: Mon Aug 05, 2013 10:55 pm
by Speedtouch
No, you could unbolt the filter cover and bend it back out - clean out the filter gauze/foam while you're at it.

If he's cut the cables (bozo :roll: !), then you'll need those, unless you can adapt your existing ones to fit. Otherwise, it's probably complete.

Re: Is this weber ok?

Posted: Mon Aug 05, 2013 10:56 pm
by Junglistjed
Yeah he's cut them and im not sure why! , so new cables and thats it? cheers mate

Re: Is this weber ok?

Posted: Mon Aug 05, 2013 10:59 pm
by Speedtouch
Probably because he couldn't be arsed with the arduous 10 minute task of unscrewing them properly!

Re: Is this weber ok?

Posted: Mon Aug 05, 2013 11:03 pm
by Junglistjed
Thanks for your help mate, wasn't sure if it was worth it! What will it actually improve engine wise? and is there anything else that will need upgrading while im at it?

Re: Is this weber ok?

Posted: Mon Aug 05, 2013 11:14 pm
by Speedtouch
No problem. The Webers usually give better driveability and easier starting compared to the standard Pierburg.

Don't expect much extra performance though if your existing carb is in good condition.

You may need to renew some of the gaskets, e.g., the inlet manifold to cylinder head one, to avoid air leaks.

Re: Is this weber ok?

Posted: Mon Aug 05, 2013 11:19 pm
by Junglistjed
Will air leaks in the pipes to my current carb cause the car to turn itself off? if so they definitely need replacing! The carb is bound to cause me problems eventually so i might as well replace it now!

Re: Is this weber ok?

Posted: Mon Aug 05, 2013 11:28 pm
by Speedtouch
Yes, any air leaks in the gaskets or hoses will cause problems, such as weakening of the mixture, lumpy idle, etc.

Re: Is this weber ok?

Posted: Mon Aug 05, 2013 11:35 pm
by Junglistjed
Should i replace the hoses anyway? never replaced a gasket so ill have to get the garage to do that :) thanks

Re: Is this weber ok?

Posted: Mon Aug 05, 2013 11:39 pm
by Speedtouch
Check them, and if perished showing signs of cracking, then replace them. Otherwise, leave well alone if you're not experienced with carbs.

If it ain't broke, don't fix it!

Re: Is this weber ok?

Posted: Mon Aug 05, 2013 11:45 pm
by Junglistjed
No experience at all mate! any idea of the best place to buy the hoses? might as well but some :)

Re: Is this weber ok?

Posted: Tue Aug 06, 2013 12:01 am
by Speedtouch
Any good motor factor should be able to supply hoses in a variety of diameters, or you could try your nearest Weber specialist.