What is the part number for your coils? I have 4 red top coils from my old A4. Pretty sure they're the R8 ones. Any chance of a discount for needing only 2 coils?
DIY BL Coil Fix
- Thread starter doublespaces
- Start date
Seems like it would be easier and faster to just 3d print a multi piece mold and then cast the connectors out of high temp PU. Would be stronger too.
Yeah ... the issue is the connector integrates a small epoxy-potted IC in the back. Packaging-wise, it was a great idea in how it was designed. Unfortunately 3D printed does not stand up to what's there. I've sourced some PU connectors out of the far east, but they have not been quite right. Precision is having them made now - I plan to buy a set and make a much better overall harness with Barry Battle. The IC will need to be separate from the connector, and we'll need to figure out how we want to handle that. As a side note, while there are many many versions of epoxy, common epoxies tend to release at the kinds of engine temperatures one might see. I wouldn't be too concerned in a well-designed enclosure but I'm not sure what function softened epoxy performs in this regard. For now we broke the 6 sleeves and used electrical tape to hold the connectors securely. Just need to get back to the car in the shop and take some measurements now on the coils and confirm what's going on there, given various reports and feedback seen on this forum.
Filippo
Just got a set of the BL coils and wanted to share my experience.
1. Installed BL coils for the first time with no modifications to the coils
2. Started the car and it misfired so bad over and over I didn't feel comfortable running the car for more than 10 seconds
3. Did some research and came across this thread
4. Modified my coils exactly as specified cutting the metal piece down and also shaving the rubber tabs at the top. I should also mention I pulled out the stock metal sheathing that sits in the spark plug tube / valve cover. Without removing that you could hear the metal on metal contact and providing some resistance to pushing the coil down.
5. Started the car and it runs perfectly, no misses at all.
The coil does in fact sit lower once it is modified and it does "click" into place as well as make the suction sound when pulling the coil back out. For your reference '10 e82.
1. Installed BL coils for the first time with no modifications to the coils
2. Started the car and it misfired so bad over and over I didn't feel comfortable running the car for more than 10 seconds
3. Did some research and came across this thread
4. Modified my coils exactly as specified cutting the metal piece down and also shaving the rubber tabs at the top. I should also mention I pulled out the stock metal sheathing that sits in the spark plug tube / valve cover. Without removing that you could hear the metal on metal contact and providing some resistance to pushing the coil down.
5. Started the car and it runs perfectly, no misses at all.
The coil does in fact sit lower once it is modified and it does "click" into place as well as make the suction sound when pulling the coil back out. For your reference '10 e82.
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So this morning I got wind that the 1M, which had done 4 track days without issues, had misfires on the 5th track event. Coils had "unclicked". Pushing them back down and clicking them in place, no misfires on a follow-up. So we have now seen this happen as well. I'm over at Barry's tonight and we'll measure things up to figure out what's going on. I'll post back. Thanks again to all that have provided info!
Filippo
Filippo
There are a lot of variables here. Aftermarket coils, valve covers and different plugs. It would be good to see if they seat improperly on a particular variable. As some have said their coils seat ok without modification...has to be something else going on here.
If you don't cut enough, it won't go down. Just cut a bunch of it off.
PR is making a plug and play kit soon so no more wire swapping and there kit was designed for out cars not transported from another car. I'm shocked that anyone would pay $475 for this kit when the PR kit is the same price and will soon be a full plug and play kit.
With all these modifications needed to run the BL kit the price really should be $300 or $200 without coils.
I mean it is kind of a pain to hack up new coils, but as long as they work then all good in my book.
Idono man, this is not like a VRSF intercooler that requires you to cut the cars plastic allowing the bigger intercooler to work. These coils don't require you to cut any stock parts, you"re cutting up the actual product you paid for. Imagine if you had to cut and get your vrsf intercooler welded just to make it work in your car, you'd have lots of major outcry. If you buy a product that isn't listed as custom made to order with warning that you may have to modify the parts then it's considered false advertising for labeling it at plug and play. Again the price is outrageous when they basically took a coil designed for another car and put it on ours without making sure the coils fit 100%. This is where PR shines and they created a quality product designed from the ground up.
This is kinda like Chinese turbos Vs venders. You'd expect to pay less for parts that break more often or require modifications to fit.
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I have read many threads on people also having issues with PR. So I wouldn't go out on a limb and say they didn't have there issues also. Also it seems that PR is making changes to there coil kit from what I have been reading, so obliviously they see things that can be improved on. I understand that some people are having issues. But there is also people, like me, who haven't had any issues. Maybe Alex, like PR is doing, will revise his product for the better.
PR having defects is not false advertisement like BL when you have to modify what they send you when they don't have that listed on the sales page. PR tells you that you have to modify your hsrness which is a modification of your car, not a modification of there product. No where does BL tell you that you must modify the coil they send you after receiving it for proper fitment. These are two totally different issues and can not be compared. Pro's modification is just like an intercooler modifcation; if you want it to work modify your harness.
I fully understand people don't want to hear this and they want to justify there purchase and not feel ripped off but your comparing Apple's to oranges here. A defective plug wire or coil is 100% not comparable to being required to modifying a coil BL sends you just to make it fit after they sold you a complete plug and play kit that. That's the definition of false advertisement.
Had BL sold it as a plug and play harness that didn't include the R8 coils but sold them separately and not as a kit then you really can't complain about the modification requirement since it's sold separately.
Btw, just because your not having problems now doesn't mean you wont in the future. Things take time to cause other things to break. If you replaced your oem rims with new ones and tightened the lug nuts and drove a year without issue doesn't mean it won't ever happen, it just means that it hasn't happened yet.
Not a very good comparison unless you think you can go after the wheel company for not properly torquing your lug nuts. I'm not saying it will never happen, but I've also had misfires with a Bosch coils and they are suppose to be OEM quality. Plus I've probably read more stories on people having problems with PR coils misfiring than BL's. I think both kits have there problems that should be addressed. I'm really not here to argue with anyone, just stating things I've read and personal experience. I think we both can agree that there's things that need to be addressed on both kits and hopefully PR and BL make note of it and address the issues. I would say the best thing for you would be contact Alex and work something out or sell the kit. That usually the case with early adopters of a product, there's issue that need to be worked out.
It is complete BS that these things have crap connectors that cannot be unplugged and you have to modify the coils to prevent a misfire that could potentially take out a motor. You would think this stuff would be figured out before going to market and be ready for a plug and play install as advertised. Period.
I mean, depinning isn't really a modification, you can always go back. The first piggybacks were depin. Imo a 3d printed solution was, well, less than ideal, and despite not being convenient depin is a real solution. Most of the PR issues are from people who confuse the orange and brown when wiring (power to ground, lol), or fail to fully engage the wires to the plugs. As you can see from this thread, full engagement isn't the easiest thing on a n54. The plug tracking threads are almost always people who ran into this problem with engagement. Eventually that will be fully addressed, but really it's not a huge issue, just gotta make sure things are really on, with either kit. I've seen a lot of this on both and ultimately you'll see misfires and fry the r8 coils on BL, or mangle the plug on PR and need to replace the wire on that cylinder as well. It sucks when a coil pops up on the track or dyno with the R8, but it's nice having fewer misfires overall. Both kits are good.
You are arguing or debating how BL or PR should or shouldn't market or sell their product. As a kit or not. With the R8 coils or not. We can all agree there can be improvements made, as in any product. If you think a company can improve then be an advocate and email them or call them and give your recommendations. That is how our platform advances. It is up to them if they want to take customer feedback and improve for the future. End of story.
The most important thing to remember is our engines are plagued with misfire issues with OEM coils and BL and PR are offering a solution to that.
No my argument is about hacking up or modifying a brand new product.
I guess if your ok with hacking up your brand new set if coils that was sold to you as fully working then you'd let apple sell you a phone that requires you to cut off excess plastic surrounding your brand new iPhone and it would be 100% acceptable.
Do as you want, I'm not saying it's a bad product I'm just saying that hacking up something you just got brand new is some thing no customer would ever want to do. If they did they would have could have saved money on there own DIY it or bought a DIY kit that needs assembly and modications.
