M42 COP (Coil on Plug) Plates

[odbod]

I'm having one of these water jet cut for my IS, if I can get 5 people together then they will be £20 each posted.

This allows you to use later coils on your M42/M44 engine and run coils directly on the plugs eliminating the original coils and plug leads, alot of people do this in the US and claim good results. The coils are the later BMW type. More information can be found here:

http://www.m42club.com/forums/showthread.php?t=5328

http://bmw.e30tuner.com/my318is_pic_copcon.php

These are just the plate, waterjet cut, not CNC machined. The M6 threads will be finished for you. There are no fasteners or coils with them.

Add your name to the list, we can get more than 5 if there are more interested.

1. odbod (me)
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[Elecblondie]

I'm interested but hopefully I'll have one cnc machined this weekend anyway, we will see.

[mick_318is]

Odbod

What are you making the bracket out of??

[odbod]

What are you making the bracket out of??

They are 5mm aluminium plate probably 6082T6.

[appletree]

Are you making them with the square holes in like on page two of the second link or with the round ones like on page three and like rob did?

If your doing the ones like rob is with the rond holes and the tab near the bulkhead then put me down for on please.

Ive got 8 coils already

When you say water cut are they just going to need tidying up or will they be abit "rough" round the edges?

Cheers Matt

PS i'll have one even if we dont get enough for a group buy

[appletree]

Add your name to the list, we can get more than 5 if there are more interested.

1. odbod (me)
2. Appletree
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5.

[odbod]

They are waterjet cut and will have round holes and the tab as per the .pdf drawing you can find on the threads @ m42club.com.

The waterjet finish is a bit rough to the touch but quite accurate in terms of dimensions, it would be easy to clean it up though, given that you can't see the edges of 90% of the plate anyway as it's hidden in the valve cover I don't think it'll be a problem.

2 off will be £23ea, so not much difference really!

1. odbod
2. appletree
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[appletree]

Ace, thanks for that, keep me posted

[rix313]

These conversions easy enough todo? What are the advantages of doing it I maybe interested.

[GrindCulture]

These conversions easy enough todo? What are the advantages of doing it I maybe interested.

Very easy, just a case of unplugging your old coils and fitting the others. Advantages are that they eliminate the need of HT leads, therefore loosing less charge between the coil and the plug and giving a stronger spark (feel free to correct me if any of that is bollocks )

[GrindCulture]

Oh and

1. odbod
2. appletree
3. GrindCulture
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[rix313]

Just need these and M52 coils and job done?

Rich

[appletree]

Ya, bremi 11860 bmw 1 748 017 i
Got 8 from a rangerover as they use the bm v8 with these coils to. I think they look mint to for whats worth

[rix313]

1. odbod
2. appletree
3. GrindCulture
4. Rix313
5.

[tim_s]

not to piss on anyone's bonfire, and is just my opinion, but I figure as about the only person around here to have run these for a few years I thought I better give the other side of the coin - I think they're a bit of a waste of time and unless you need new leads etc I wouldn't bother. They make the lid more of a pain to get off, the nuts that hold the plate onwork themselves loose over time - well at least on mine they do (even though they're nyloc nuts), the same happens to the nuts to hold the rocker cover down too, it's more of a pain to change sparkies, they don't fit properly and the connectors are hard to remove (they hit the next coil and are really fiddly to get off) etc etc. It's also ballache to get the wiring neat. All these things are not the end of the world, but there's f all benefit to doing this anyway. I wouldn't bother if I had the choice again. Just my $0.02

[TheDutch]

Tim, do you not think they may be some benefit to those who are still using their original leads? I was under the impression that this can be a cheaper/better option for replacements. As for the downsides, I understand that you may take the 'lid' off your engine every 5 minutes, but it's something I've only done once in 5 years - the same could almost be said for the spark plugs. And could your loose nuts not be resolved with some thread locking compound?

I'm not trying to deny your experiences but with your naysaying you could be undermining people's hobbyish tendencies, which rely on at least a modicum of justification to proceed with any conviction - even if this is based on internet facts. How would you feel if you were, say, NASA, and someone popped their head round the door on a Thursday afternoon and said 'oh by the way lads I did a quick survey of every astral body in the universe in my quantum worm-pod and there isn't any other life out there, so you can probably not bother with your group buy on 19 metre mirrors and supercooled detectors.'

As for the coils, if anybody needs some I may have a couple going spare which are suitable for this.

Lastly, odbod, when do you anticipate getting these plates made up? I may be interested.

[odbod]

Lastly, odbod, when do you anticipate getting these plates made up? I may be interested.

Well there are 4 on the list, assuming no one is out after tim's feedback then if you're in they'll get made pretty quickly, probably maximum 2 weeks, if eveyone is happy to pay on paypal.



In terms of whether it's worth it or not, I like fiddling and I'm fitting LPG which is a bugger for searching out ignition faults, the leads are looking a bit perished on the outside anyway, so I have the choice spend £25 plus a few nuts and bolts from work and have a play whilst doing it, or probably buy new leads, maybe coils, car has now done 155K.

I still want to do it... becasue I can!

[tim_s]

Tim, do you not think they may be some benefit to those who are still using their original leads? I was under the impression that this can be a cheaper/better option for replacements. As for the downsides, I understand that you may take the 'lid' off your engine every 5 minutes, but it's something I've only done once in 5 years - the same could almost be said for the spark plugs. And could your loose nuts not be resolved with some thread locking compound?

I'm not trying to deny your experiences but with your naysaying you could be undermining people's hobbyish tendencies, which rely on at least a modicum of justification to proceed with any conviction - even if this is based on internet facts. How would you feel if you were, say, NASA, and someone popped their head round the door on a Thursday afternoon and said 'oh by the way lads I did a quick survey of every astral body in the universe in my quantum worm-pod and there isn't any other life out there, so you can probably not bother with your group buy on 19 metre mirrors and supercooled detectors.'

As for the coils, if anybody needs some I may have a couple going spare which are suitable for this.

Lastly, odbod, when do you anticipate getting these plates made up? I may be interested.

lol fair enough, I was just trying to be helpful really! I just think it's a bit of a waste of time, that's all, and by giving my opinion hopefully I can save someone some disappointment, or at least make people fully aware of the implications both negative and positive. there's loads of stuff on the web about how great this conversion is, but really I've just found it a faff! im the last person out there to deny anyone their hobbyish tendencies!

As for thread-locking the nuts on, yeah spose I could but that would make the threaded bar I've used into the head a bit manky so would rather not really, and yup the lid comes off mine fairly often and the plugs get changed regularly (I do a lot of miles). basically there's nothing really wrong with them, just it strikes me as unnecessary, messier and more ballache to remove than the original setup. I'm sure this is more useful than me saying they're the nuts just cos I'm running them

Other thing to bear in mind is that running different coils off the standard coil drivers may or may not cause issues. I have no idea really as I don't use motronic sparks very often (and have control over my sparks dwell etc using megasquirt), but there's something to be said for retaining the standard coils/lead setup as that's what the spark dwell etc on the ecu is optimised for.

[odbod]

1. odbod
2. appletree
3. GrindCulture
4. Rix313
5. stevenmurphy

Please check your PM's I've sent out my paypal details. I'll order them once everyone has confirmed they are still in.

Cheers

[rix313]

How much are they fella?

[odbod]

They are £20 as per the original price as there are 5 people on the list. I've ordered today, but I'm waiting for feedback on the deliver date, probably be with me on the 27th March, once I have onfirmed I'll ask for everyones money.

On a side note I am planning on ordering some rear top mounts from Turner motorsport, they are baisc steel versions of the rogue engineering ones but will achieve the same thing, i.e. last forever, they'll end up about 1/2 the price of the rogue ones if anyones interested drop me a PM. Turner brand them as "repair shop lifetime mounts" they are $40 a set but once duty, clearence fees, shipping and VAT have been added they'll probably add up to £45-50, less if we order more than a few sets.

[odbod]

I'm picking these up on Friday next week so it's payment time please...

[appletree]

Can anyone help me with the part number for the rubber bit that goes on the end of coil its self??

Like i said before my coils came from a range rover i'am not sure if the rubber bits are the same althought the coils are the right part number bremi 11860 and the rubber bit 1730 412

[odbod]

Those are the ones I've got too, I had a play with tehm the other day and wasn't sure they would fit, but until the plates arrive it's going to be difficult to tell. Mine were however from an M54 enine so should be right accoring to http://bmw.e30tuner.com/my318is_pic_copcon2.php

[mr_dink]

Is it too late to order one of these? If so could you let me know if anyone drops out and I'll take one.

Thanks mate!

[odbod]

It's not too late i've pm'd you. I'd need payment tonight or tomorrow morning to up the order to 6

[stevenmurphy]

whats the story with payment

[odbod]

I've been in Paris for 3 days, sorry, you have PM about payment.

Cheers

[odbod]

I've got these now, I tapped all the holes at lunchtime today and hopefully I'll get them posted out to all of you tomorrow.

[appletree]

Great stuff thanks, do we need any extra bits to fit them then? bolts/studding/washers/nuts.

[odbod]

Yep, You'll need all of that, as far as I can see you need 2x60mm long M6 sections of threaded bar (studding), 2 penny washers to compress the rubber seals that sit on the cam cover, and a selection of 6mm locknuts and washers. If you can lay your hands on some M6 Binx Nuts or K-Nuts you may have more success with them not coming loose as they are all metal lock nuts and nylon ones may soften with engine temps and come loose.

Piccies below, the top one is as cut, the bottom one is vapour blasted satin finish, which looks better as it gets rid of the scratches, depending on how you want it to look it is also a good prep for laquer or paint, but not rough like shot blasting.



The second picture is of the waterjet cut edge, which looks like a sheared edge so no worries here...

[odbod]

All posted now... sorry for the delay, finally changed over my injector loom to the sequential LPG one and ran like a pig, that distracted me a bit as it is my only transport. Turns out the inlet pipe to the ICV got dislodged from the breather system doh!

Anyhoooo they are all sent first class so you should have them for the weekend, either tomorrow or via snail mail probably saturday. Stevenmurphy, yours will be saturday, worst case monday due to the airmail bit!

Cheers

[odbod]

Can anyone help me with the part number for the rubber bit that goes on the end of coil its self??

Like i said before my coils came from a range rover i'am not sure if the rubber bits are the same althought the coils are the right part number bremi 11860 and the rubber bit 1730 412

One thing I noticed when playing with my coils is that the one for #1 doesn't fit, if you look closely at the e30tuner pages the coil for #1 is modified (the outside hole has been cut off) to make it fit, although this isn't mentioned anywhere that I have seen on there or on the M42club forums.

[appletree]

Thanks for that, i'll check at work tomorrow and see if its turned up.

have you had yours running with the new coils yet??

[GrindCulture]

More bits to add to the pile maybe I'll fit them all soon