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DV135i DV135i is offline
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Exclamation Plugging Head Ports - 07-11-2020, 08:23 AM

So i got the new VTT cast valve cover along with the dual CC setup. My mechanic friend was plugging the head ports when the tap broke off in one of them. He convinced me that grinding down the tap with a dremel would be fine and the port would be plugged. I ended up taking over and finished tapping the rest of the ports and inserting the plugs.

My question is....Should I be worried about the tap thatís stuck in the port? Do I need to extract the tap or should it be sufficient enough to plug the port now that itís been ground down?


19T Turbos~3.5 Bar Tmap~S55 Eldor Coils~VRSF Relocated Inlets~VRSF Outlets~VTT Cast Valve Cover~VTT Dual CC~XClutch Twin Disk~BMS Short Shifter~VRSF Race Intercooler w/ HKS Racing SQV~3"AR DP's~3" Custom exhaust~Fuel-It Stage 2.5 Bucket~Turner Motorsport Billet Engine and Trans Mounts~JB4~DocVu Tuned
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iminhell1 iminhell1 is offline
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Default 07-11-2020, 09:37 AM

Look at a tap.
How is it going to block the hole?

Your mechanic is a moron.


2010 135i auto,
2020 mods: Speedtech S366, VTT DBBL, PR Coils, dual 450's, etc
Best stock turbo 1/8 mile: 7.469 @ 98.56, 1.769 60'
Best stock turbo 1/4 mile: 11.480 @ 121.79 1.802 60'
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DV135i DV135i is offline
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Default 07-11-2020, 09:48 AM

Calm down keyboard warrior....I have looked at the tap and I asked him the same question. I’m going to pull it apart myself and try to remedy the issue. I bought an extractor kit, so let’s hope I can still get it out after it’s been ground down. The grooves on the side of the tap couldn’t be seen or accessed which is what I believe led him to think it’s blocked off enough.


19T Turbos~3.5 Bar Tmap~S55 Eldor Coils~VRSF Relocated Inlets~VRSF Outlets~VTT Cast Valve Cover~VTT Dual CC~XClutch Twin Disk~BMS Short Shifter~VRSF Race Intercooler w/ HKS Racing SQV~3"AR DP's~3" Custom exhaust~Fuel-It Stage 2.5 Bucket~Turner Motorsport Billet Engine and Trans Mounts~JB4~DocVu Tuned

Last edited by DV135i; 07-11-2020 at 09:53 AM..
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08 335Ci 08 335Ci is offline
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Default 07-11-2020, 09:57 AM

Fill in the flutes with JB Weld


No matter how fast I go there's always someone slower in front of me.

You can lead a horse to water but you can't make him Jet Ski.

'10 E92 335 M Sport, JB-4 G5 ISO, 3" CPE Charge pipe, WMI w/dual CM 5 nozzles, 3.5 Tmap, ARM Relocated Inlets (don't do it), VSRF Outlet, BEF, Front Strut Brace, SS brake lines, Drilled and Slotted Rotors, Anti-lag, OCC. Escort Max 360

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DV135i DV135i is offline
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Default 07-11-2020, 11:26 AM

Quote:
Originally Posted by 08 335Ci
Fill in the flutes with JB Weld
Lol thinking about that stresses me out more than the tap being stuck in there. I ordered an extractor kit on amazon that will be here tomorrow. Gonna try and remedy the problem myself.


19T Turbos~3.5 Bar Tmap~S55 Eldor Coils~VRSF Relocated Inlets~VRSF Outlets~VTT Cast Valve Cover~VTT Dual CC~XClutch Twin Disk~BMS Short Shifter~VRSF Race Intercooler w/ HKS Racing SQV~3"AR DP's~3" Custom exhaust~Fuel-It Stage 2.5 Bucket~Turner Motorsport Billet Engine and Trans Mounts~JB4~DocVu Tuned
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ToolMaker335xi ToolMaker335xi is offline
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Default 07-17-2020, 03:17 PM

Quote:
Originally Posted by DV135i
Lol thinking about that stresses me out more than the tap being stuck in there. I ordered an extractor kit on amazon that will be here tomorrow. Gonna try and remedy the problem myself.
Not sure what type of extractor kit you purchased, or if you had any luck removing it. Two ways that I might have went about removing it is try a small center punch and find a spot on the broken tap to where you can get a good angle on the tap to try back it out by tapped with a hammer on the center punch. The second thing ( but probably too late since he ground it down) would be to use a small cut off wheel and grind a slot and try to back it out with a screw driver. If the screw driver and some vise grips to hold it canít get it to budge, it gives you a decent surface to tap at it on an angle... good luck man, I recently had to tap my head and the angles made me nervous at first.


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DV135i DV135i is offline
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Default 07-17-2020, 08:30 PM

Quote:
Originally Posted by ToolMaker335xi
Not sure what type of extractor kit you purchased, or if you had any luck removing it. Two ways that I might have went about removing it is try a small center punch and find a spot on the broken tap to where you can get a good angle on the tap to try back it out by tapped with a hammer on the center punch. The second thing ( but probably too late since he ground it down) would be to use a small cut off wheel and grind a slot and try to back it out with a screw driver. If the screw driver and some vise grips to hold it canít get it to budge, it gives you a decent surface to tap at it on an angle... good luck man, I recently had to tap my head and the angles made me nervous at first.
Thanks for the advice!!! I ended up getting it all sorted out by using a liquid metal filler and then buffing it out. Doesnít even look like there used to be a port there. Should hold me off till itís time to build the motor. Once I too over and finished the ports it was easy, itís all about being patient.


19T Turbos~3.5 Bar Tmap~S55 Eldor Coils~VRSF Relocated Inlets~VRSF Outlets~VTT Cast Valve Cover~VTT Dual CC~XClutch Twin Disk~BMS Short Shifter~VRSF Race Intercooler w/ HKS Racing SQV~3"AR DP's~3" Custom exhaust~Fuel-It Stage 2.5 Bucket~Turner Motorsport Billet Engine and Trans Mounts~JB4~DocVu Tuned
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BeatupVR4 BeatupVR4 is offline
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Default 07-20-2020, 04:18 AM

Quote:
Originally Posted by DV135i
Lol thinking about that stresses me out more than the tap being stuck in there. I ordered an extractor kit on amazon that will be here tomorrow. Gonna try and remedy the problem myself.
Quote:
Originally Posted by DV135i
Thanks for the advice!!! I ended up getting it all sorted out by using a liquid metal filler and then buffing it out.
Sooooo JB Weld?

I really think JB Weld gets a bad rap. The stuff is crazy strong and has so many uses.

It's been holding on a mounting ear of the trans on a buddies 800+whp drag car for years. But he also has a literal fence post from Home Depot for a driveshaft so maybe not the best role model.

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Rob@RBTurbo Rob@RBTurbo is offline
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Default 07-20-2020, 08:15 AM

I'd definitely give the extractor tool a whirl initially, I've had some decent luck with them in general use over the years.

Also when you are doing these head taps, always take some care and go slow, you also only need to go as deep as the height of the plug as well so if you use a shorter plug that keeps the efforts lower. This process usually goes very smooth and takes less than an hour once the head surface is already exposed.

Rob


See www.rbturbo.com for N54 Twin Turbo Bolt-On upgrades, or contact directly 314-630-8950 rob.rbturbo@gmail.com for a price quote.
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