What plugs with B58 Coils?

seb.apprenti

Sergeant
Nov 28, 2018
265
133
0
47
reunion island
Ride
335 i e92
I’m confused. Why would you need the lock for the new coils. As far as I know the coils are screwed down.
for the conversion beam
 

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pbondar

Sergeant
May 30, 2020
476
272
0
So back to the original question…how about Bosch /BMW claw plugs..stock gaps for a 21 psi boost 99 RON 550 BHP crank hybrid set up ?
 

Maroon_e90

Specialist
Sep 30, 2021
90
24
0
25
Northwest Indiana
Ride
2009 335i - xdrive 6MT
Did anyone ever get this running successfully? I saw a kit on facebook (unknowing it was this china kit) and he sold it to me claiming it doesnt work on msd80. I Have msd81 so I figured I wouldnt have any issues but the car is running terribly sometimes cylinders wont fire at all and sometimes its intermittent.

for reference I am running 94201 gapped to .0020" and never had any issues when running these plugs on stock eldors

To me it seems like the boots from this kit are way too long and potentially causing connection issues from the spring.
 

seb.apprenti

Sergeant
Nov 28, 2018
265
133
0
47
reunion island
Ride
335 i e92
no problem with the boots...it works very well. The only negative point of this kit is the one I mentioned in my previous message. I have Eldor b58 coils, ngk 94201 candles..I have not adjusted the gap everything works fine for me
 
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Maroon_e90

Specialist
Sep 30, 2021
90
24
0
25
Northwest Indiana
Ride
2009 335i - xdrive 6MT
no problem with the boots...it works very well. The only negative point of this kit is the one I mentioned in my previous message. I have Eldor b58 coils, ngk 94201 candles..I have not adjusted the gap everything works fine for me
Interesting thanks Ill have to keep playing around with it I guess. Do you have the skinny side of the spring installed towards the plug or the coil?
 

seb.apprenti

Sergeant
Nov 28, 2018
265
133
0
47
reunion island
Ride
335 i e92
honestly I don't know anymore. the boots come with spring. but if my memory serves me correctly, the end side is on the coil side...because if you reverse...the spring no longer fits into the coil (sorry for the bad english)
 
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odesh

Specialist
Mar 6, 2023
54
35
0
Did anyone ever get this running successfully? I saw a kit on facebook (unknowing it was this china kit) and he sold it to me claiming it doesnt work on msd80. I Have msd81 so I figured I wouldnt have any issues but the car is running terribly sometimes cylinders wont fire at all and sometimes its intermittent.

for reference I am running 94201 gapped to .0020" and never had any issues when running these plugs on stock eldors

To me it seems like the boots from this kit are way too long and potentially causing connection issues from the spring.
It works just fine on both msd80 and msd81. I think that the guy had the same issue as you and just sold it because of it. Prob some manufacturing defect. Couple of my friends run the kit with oem B58 coils and plugs and they have had zero issue. How ever, we tried (for fun) to run 600whp car with those cheap chinese coils that could be ordered with the kit and we had so many issues when the car hit full boost. Are you running the oem coils or chinese coils? I would just get the oems if you happen to run the cheap copy.