Nickp
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| posted on 1/8/14 at 04:50 PM |
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BMW 328i, can't wait to get this engine in my kit.
Just picked this up off ebay for £465, with a weeks MOT. As the sun's been out I thought I might as well MOT it and run it for a while to make
sure the engine's good . Cost me £26 in rear brake parts to get it through 
[IMG]http://i723.photobucket.com/albums/ww236/enicpic/E36_zps27924f29.jpg
[IMG]
Gave it an oil change today before giving it the beans, and WOOOHOOO!! It's a flying machine!!  Got an M50 inlet manifold to fit which should
add about 30bhp. OMG it'll be mental in a Haynes!!
The engines been to the moon and back (several times) at 220k+ but has loads of service history , you can't hear it running, and it passed MOT
emissions with totally shagged plugs a blocked air filter and oil like tar. So with a bit of TLC I think it'll make a decent donor. It's
the first time I've driven one of these and it's a cracking smooth engine that pulls from nothing and just gets stronger and stronger as
the revs rise
[Edited on 1/8/14 by Nickp]
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theconrodkid
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| posted on 1/8/14 at 06:14 PM |
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HOW MUCH
looks far too good to break,why not sell it and buy a V8 with the procedes
who cares who wins
pass the pork pies
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SteveWallace
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| posted on 1/8/14 at 08:29 PM |
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I can vouch for the fact that its a great engine to put in a 7.
I've been out in mine a couple of times in recent days and even though I've not been brave enough to push it hard yet, its very very
quick, even from a standing start in second gear, rather than first. I need to do the M50 manifold modification and I also have an ECU with a faster
map to swap to, but I thought that I would get used to only (!) 193BHP before adding to it.
I'm not a million miles from you (I'm just of J26), so if you need to have a look at one in a car and your passing by, just give me a
shout.
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NigeEss
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| posted on 1/8/14 at 08:39 PM |
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Ooh, this thread could be interesting as I've just bought a 2000 E46 328i coupe with 100k on it for £800.
Not to break, but as a road legal track toy.
I'm curious as to this M50 manifold conversion, what's it off and what else is needed ? And where does
the faster map ECU come from.
ps: sorry to hijack the thread
Time is an illusion. Lunchtime doubly so.................Douglas Adams.
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BigFaceDave
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| posted on 1/8/14 at 11:02 PM |
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quote:
Originally posted by NigeEss
Ooh, this thread could be interesting as I've just bought a 2000 E46 328i coupe with 100k on it for £800.
Not to break, but as a road legal track toy.
I'm curious as to this M50 manifold conversion, what's it off and what else is needed ? And where does
the faster map ECU come from.
ps: sorry to hijack the thread
The manifold is off of 325's but a bit of a fiddle to fit but well worth it, I picked up a 328i last year for very very little money -
absoloutley cracking car super smooth and fantastic to drive and went like stink! Shame it was so bad on fuel but I only live a mile from work and I
was averaging 13mpg
Ps if anyone wants a engine I will be breaking it in the near future!
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Nickp
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| posted on 2/8/14 at 06:09 AM |
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quote:
Originally posted by theconrodkid
HOW MUCH
looks far too good to break,why not sell it and buy a V8 with the procedes
I've thought long and hard about the V8, but I've already modified my chassis to take the 6 pot. The V8 looks a pig to fit and tbh am I
ever gonna need more than a 2.8 6 pot? Well maybe, but if so then a 3.2 M3 lump will drop straight on the mounts and take me to a whole new level of
SCARY!!
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Nickp
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| posted on 2/8/14 at 06:15 AM |
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quote:
Originally posted by SteveWallace
I'm not a million miles from you (I'm just of J26), so if you need to have a look at one in a car and your passing by, just give me a
shout.
Ta Steve, I'll take you up on this one day mate 
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Badger_McLetcher
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| posted on 2/8/14 at 07:17 AM |
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Awesome news mate, I'm slightly envious
If disfunction is a function, then I must be some kind of genius.
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Badger_McLetcher
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| posted on 2/8/14 at 07:19 AM |
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quote:
Originally posted by NigeEss
Ooh, this thread could be interesting as I've just bought a 2000 E46 328i coupe with 100k on it for £800.
Not to break, but as a road legal track toy.
I'm curious as to this M50 manifold conversion, what's it off and what else is needed ? And where does
the faster map ECU come from.
ps: sorry to hijack the thread
There's a couple of places you can send the ECU off to in order to give it a quick tweak and remove some features - this is nearly a necessity
to put it in a kit car as it allows it to run without some of the other bits (like original BMW diff).
If disfunction is a function, then I must be some kind of genius.
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SteveWallace
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| posted on 2/8/14 at 08:14 AM |
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That's right, the main things that you might need to change on the ECU to use it in a 7 are
I) A software ABS delete. Unless you are also using the BMW running gear and ABS sensors then the ECU will go into limp home mode after a few miles
when it doesn't see an ABS speed signal. This is hard to fake as its a digital signal rather than an analogue one that you could have picked up
via, say, an after market speed sensor.
ii) Software EWS delete. I ended up using the EWSII immobiliser system from the donor, as much for the challenge of seeing if I could get it to work
as for security, but if you don't us it then then the ECU will not work unless the requirement for it to look for the code has been deleted
iii) A performance map. I have a second ECU with a more performance based map. Not sure how much difference it really makes as I've not tried
it yet.
There is a guy in Birmingham that can reprogram BMW ECU's and another operating out of Scotland who sells on e-Bay.
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Brake buster
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| posted on 2/8/14 at 09:26 AM |
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quote:
Originally posted by SteveWallace
That's right, the main things that you might need to change on the ECU to use it in a 7 are
I) A software ABS delete. Unless you are also using the BMW running gear and ABS sensors then the ECU will go into limp home mode after a few miles
when it doesn't see an ABS speed signal. This is hard to fake as its a digital signal rather than an analogue one that you could have picked up
via, say, an after market speed sensor.
ii) Software EWS delete. I ended up using the EWSII immobiliser system from the donor, as much for the challenge of seeing if I could get it to work
as for security, but if you don't us it then then the ECU will not work unless the requirement for it to look for the code has been deleted
iii) A performance map. I have a second ECU with a more performance based map. Not sure how much difference it really makes as I've not tried
it yet.
There is a guy in Birmingham that can reprogram BMW ECU's and another operating out of Scotland who sells on e-Bay.
i am building a 318 based car, but am thinking of upgrading to a 6 cylinder
are the engine mounts compatible ?
i am using the BMW 5 speed gearbox , diff , and all running gear ,
i take it i will need the ECU mods mentioned ?
u got any pics ?
BB
[Edited on 2/8/14 by Brake buster]
its not how fast you go , its how late you brake !
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rodgling
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| posted on 2/8/14 at 10:36 AM |
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ABS: not a problem. The ECU needs to see some kind of pulse train - I fed mine the signal from the speed sensor on the diff instead and that was fine.
RPM signal would probably work too, or the output of a wheel speed sensor.
EWS: it's easy enough to make this work if you can find a wiring diagram. I've got the EWS II working on my car.
Performance: on the 328, you really do need to get the redline raised as the default is 6200. If you do the manifold swap then a remap is a good
idea.
quote:
Originally posted by SteveWallace
That's right, the main things that you might need to change on the ECU to use it in a 7 are
I) A software ABS delete. Unless you are also using the BMW running gear and ABS sensors then the ECU will go into limp home mode after a few miles
when it doesn't see an ABS speed signal. This is hard to fake as its a digital signal rather than an analogue one that you could have picked up
via, say, an after market speed sensor.
ii) Software EWS delete. I ended up using the EWSII immobiliser system from the donor, as much for the challenge of seeing if I could get it to work
as for security, but if you don't us it then then the ECU will not work unless the requirement for it to look for the code has been deleted
iii) A performance map. I have a second ECU with a more performance based map. Not sure how much difference it really makes as I've not tried
it yet.
There is a guy in Birmingham that can reprogram BMW ECU's and another operating out of Scotland who sells on e-Bay.
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SteveWallace
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| posted on 2/8/14 at 10:47 AM |
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quote:
Originally posted by Brake buster
i am building a 318 based car, but am thinking of upgrading to a 6 cylinder
are the engine mounts compatible ?
i am using the BMW 5 speed gearbox , diff , and all running gear ,
i take it i will need the ECU mods mentioned ?
u got any pics ?
BB
[Edited on 2/8/14 by Brake buster]
Welcome to the forum. Its the best place you could come to for advice on building kit cars. I know that I would never have got mine through IVA
without it. Also, there are more and more of us on here going down the BMW donor route. Its worth showing your location - there is always someone
near by if you ever need any hands on help. If you are going to become a regular user, then please give a few £ as a contribution to Chris to keep
the site going.
I've had no experience of BMW 4-pot engines, but I would have thought that you would be lucky to find that the engine mounts are the same (or at
least in the same place for where you want to mount the engine in the car). Either way, I made new engine mounts anyway to fit my chassis.
If the donor car had EWS and ABS then you will need to do the software modification or use the EWS and ABS components in your build. The performance
map is just personal choice.
If you follow the link to my photo archive in any of my posts you will see lots of build pics.
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SteveWallace
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| posted on 2/8/14 at 10:52 AM |
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ABS: not a problem. The ECU needs to see some kind of pulse train - I fed mine the signal from the speed sensor on the diff instead and that was fine.
RPM signal would probably work too, or the output of a wheel speed sensor.
________________________________________________________________________
Good point, I forgot that it depends on the age of the donor car. I cannot remember the year, but at some point, BMW changed their electrics to a
CANBUS system which uses digital signals. As I understand it, before that date, any pulse train would work but after that date its harder to fake.
It cost me £30 to get my ABS deleted and to get the rev limit raised, so it was easier for me to do that than mess around since I didn't use the
BMW diff.
[Edited on 2/8/14 by SteveWallace]
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Nickp
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| posted on 3/8/14 at 09:01 AM |
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I think I'm gonna go for this-
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=151357806856&fromMakeTrack=true&ssPageName=VIP:watchlink:top:en#ht_895wt_1275
And this-
http://www.ebay.co.uk/itm/BMW-M50-Inlet-Manifold-Fitting-Kit-M52-Upgrade-Manifold-Kit-/111424368367?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item
19f168eeef
And fit them while the engine's still in the BMW, purely for testing purposes
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Nickp
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| posted on 3/8/14 at 09:37 AM |
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In fact, anyone got a spare M52B28 ECU I can 'borrow' to send off for 'fettling'? I'll replace it with my existing one
once sorted.
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rodgling
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| posted on 3/8/14 at 11:20 AM |
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Yeah, I've got a couple actually. I'm not sure if I have the immobiliser and chip (will include these if I do) but if you are getting rid
of that it's not a problem. Yours for say £15 posted?
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Nickp
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| posted on 3/8/14 at 01:33 PM |
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quote:
Originally posted by rodgling
Yeah, I've got a couple actually. I'm not sure if I have the immobiliser and chip (will include these if I do) but if you are getting rid
of that it's not a problem. Yours for say £15 posted?
Cool I'll send a u2u
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scootz
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| posted on 3/8/14 at 01:36 PM |
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What sort of weight is in the Beemer 6-pots?
I can't imagine they're particularly light...
It's Evolution Baby!
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scootz
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| posted on 3/8/14 at 01:40 PM |
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Quick Google suggests 170-180kg.
Can't find figures for the gearbox... can someone stick one on a set of scales if they get a mo?
It's Evolution Baby!
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Nickp
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| posted on 3/8/14 at 01:49 PM |
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To quote-
BMW took a large step in 1994 with the introduction of an aluminum block with the wear-resistant Nikasil coating on the cylinder bores. This reduced
the engine's weight from around 190 kg (M50) to some 160 kg (M52). The camshafts were now fitted with counterbalancing masses, as was already
the case on those of the eight-cylinder engine.
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Nickp
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| posted on 3/8/14 at 01:50 PM |
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The gearbox is a stumpy little affair and doesn't seem very heavy to me. I can weigh it if you really want
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scootz
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| posted on 3/8/14 at 01:52 PM |
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Cheers Nick... found a reference - 35-39kg. Not too bad.
It's Evolution Baby!
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scootz
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| posted on 3/8/14 at 01:57 PM |
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quote:
Originally posted by Nickp
To quote-
BMW took a large step in 1994 with the introduction of an aluminum block with the wear-resistant Nikasil coating on the cylinder bores. This reduced
the engine's weight from around 190 kg (M50) to some 160 kg (M52). The camshafts were now fitted with counterbalancing masses, as was already
the case on those of the eight-cylinder engine.
I think that figure of 160kg relates to the 2.0... the indication in the tables on this page are that the 2.8 is 170/180kg...
Link
It's Evolution Baby!
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rodgling
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| posted on 3/8/14 at 02:05 PM |
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Sounds about right to me. The engine is pretty heavy, especially the M3 lump. Gearbox is quite light. The diff is very heavy, it might be better to
avoid using this if you can find a lighter diff that's strong enough.
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