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      07-17-2018, 06:42 PM   #67
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Quote:
Originally Posted by DuSh View Post
You can go with F85 or alternately with NGK (more expensive) plugs. Both are a step up from stock 50i plugs. You need to gap them down too. I can't say if Dinan Stage 1 really needs them or you can get away with stock plugs, but since you are not stock and you need to change them anyway - why not go for something designed for higher output in the first place.
Is the appropriate gap 6.2mm - I have seen posts about 5.4mm, 5.5 etc and even without tune to go down to 6.2?
I did .62 because that's as small as my gap tool went. But I wouldn't go below .6 without a tune. And I'm sure any tune. Even bm3. Will run just fine at .6. After all it's what X5M approximately runs at and it's pulling similar boost.
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      09-14-2018, 07:45 PM   #68
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Thanks for the diy! I have plugs coming in the mail this Mon and plan to tackle the job. I have a '16 X5M but the engines are so similar that your diy makes for some good pre-reading!
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      09-15-2018, 12:32 PM   #69
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Just did this yesterday took about 2 hours. 70K on the dial and the plugs were rusty and full of carbon. Mav's write up was super helpful but one trick I found to get the coils off was a piece of rope to loop through the pull tab. Was able to get better leverage since they were sealed tight. I used some compressed air to get the dust/pollen and that wrap material all over the passenger side out of the way so they didn't fall into the combustion chambers. Much smoother start-up now, got to put some more miles on to see if MPG goes up since its been hovering consistently at at 15.
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      09-17-2018, 09:51 AM   #70
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Excellent - Was looking for DIY for these guys!!
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      09-25-2018, 09:43 AM   #71
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Can anyone in the NJ area recc a good garage to do this, or even if a member wants to tackle this (I would compensate for your time of course )
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      09-26-2018, 10:46 AM   #72
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Thanks for the DIY! Where did you buy the plugs from?
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      09-26-2018, 05:28 PM   #73
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Thanks for the DIY! Where did you buy the plugs from?
Get Bmw parts.com
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      11-21-2018, 01:24 PM   #74
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Quote:
Originally Posted by Maverik259 View Post
I gapped them down to just below .64mm. Before I gapped them I can easily move my tool in between the electrode and now it just barely can't make it through so I'm assuming roughly .62 is where I ended up.
May I ask you why you wanted to gap it down to ~0.62MM? What happen of you don't? Just to learn some basics and try to get over rookie stage for owning a bimmer.
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      11-21-2018, 10:57 PM   #75
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Quote:
Originally Posted by Maverik259 View Post
I gapped them down to just below .64mm. Before I gapped them I can easily move my tool in between the electrode and now it just barely can't make it through so I'm assuming roughly .62 is where I ended up.
May I ask you why you wanted to gap it down to ~0.62MM? What happen of you don't? Just to learn some basics and try to get over rookie stage for owning a bimmer.
It's based on where some of the tuner companies say to gap them for increased boost.
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      11-26-2018, 09:11 AM   #76
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So is the general consensus that X5M plugs (BMW 12-12-0-039-634) gapped to .062mm are good to run with BM3 Stage 1 or are NGK plugs better? I read on the BM3 FAQ that stock S55 plugs are prone to cracking. Doesn't the S63TU and S55 run the same plugs? If so, wouldn't the X5M plugs be prone to cracking too?
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      11-26-2018, 09:58 AM   #77
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Quote:
Originally Posted by Rotzy View Post
So is the general consensus that X5M plugs (BMW 12-12-0-039-634) gapped to .062mm are good to run with BM3 Stage 1 or are NGK plugs better? I read on the BM3 FAQ that stock S55 plugs are prone to cracking. Doesn't the S63TU and S55 run the same plugs? If so, wouldn't the X5M plugs be prone to cracking too?
The recommend change interval of X5M plugs are 30k miles, while the NGK plugs(used on N20) can last 60k miles. So it will not crack as long as you change it sooner.
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      11-26-2018, 10:27 AM   #78
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Originally Posted by perry8912 View Post
The recommend change interval of X5M plugs are 30k miles, while the NGK plugs(used on N20) can last 60k miles. So it will not crack as long as you change it sooner.
What exact model of NGK plugs are recommended for the N63TU?
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      11-26-2018, 11:11 AM   #79
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Quote:
Originally Posted by Maverik259 View Post
New piece. And the Third iteration of this part is what you now see before you. The nice thick rubber piece. Part number in the picture. If you still have the old one I recommend replacing immediately. It's about $100-130 shipped depending on your desired vendor and shipping speed.
It appears my car has the "second" iteration. It hasn't cracked yet, but it's definitely the ribbed version. I'm thinking of replacing this before it cracks on me.

EDIT: I just got back from the dealer, and they gave me a very nice price, so looks like whole assembly is getting replaced. The new hose are twice as thick as the old ones, only concern is that vent pipe assembly with all the valves will require removing a lot more covers.
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      11-26-2018, 03:05 PM   #80
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Quote:
Originally Posted by Maverik259 View Post
Get Bmw parts.com
Looks like price has gone up to $18 per plug!

https://www.getbmwparts.com/oem-part...ug-12120039634
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      11-26-2018, 04:19 PM   #81
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Quote:
Originally Posted by yany007 View Post
Looks like price has gone up to $18 per plug!

https://www.getbmwparts.com/oem-part...ug-12120039634
What about just purchasing Bosch ZMR5TPP330?

$68.75 shipped for 8 from RM Euro:
https://www.rmeuropean.com/Products/...634-MFG14.aspx

$56 shipped for 8 from Mod Bargains:
The URL is banned from the forum so I can't post it.
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      12-04-2018, 10:31 AM   #82
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Has anybody needed to replace the B pillar vertical glossy black trim piece on the X5? Mine is a 14 X5 50i.

I somehow got something hit it and there is a nasty reflection on it now.

Looks like the piece is in with 4 screws, but what all you need to take apart to get to those. any pointers appreciated.

Or if somebody has a recommendation where to get full service manuals, that'd be great too.
Please remove this post. This is for spark plug replacement. And yes check newtis. The instructions are in there. You just pull out the rubber trim to reveal screws and it's 2 sided taped.
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      12-04-2018, 10:32 AM   #83
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Quote:
Originally Posted by anon1000 View Post
Has anybody needed to replace the B pillar vertical glossy black trim piece on the X5? Mine is a 14 X5 50i.

I somehow got something hit it and there is a nasty reflection on it now.

Looks like the piece is in with 4 screws, but what all you need to take apart to get to those. any pointers appreciated.

Or if somebody has a recommendation where to get full service manuals, that'd be great too.
I don't know the answer to your question, but you'll get a better response if you post this in the general section. This is a thread about replacing spark plugs on the 50i.
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      12-04-2018, 01:05 PM   #84
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Quote:
Originally Posted by Maverik259 View Post
Please remove this post. This is for spark plug replacement. And yes check newtis. The instructions are in there. You just pull out the rubber trim to reveal screws and it's 2 sided taped.
Thanks, sorry about that, you can remove the posts, it must have defaulted to this thread somehow from old browser cache.
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      12-04-2018, 02:36 PM   #85
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Originally Posted by anon1000 View Post
Thanks, sorry about that, you can remove the posts, it must have defaulted to this thread somehow from old browser cache.
Press the EDIT button in the lower right corner of your posts, then select the DELETE button.
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      12-04-2018, 07:59 PM   #86
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Quote:
Originally Posted by anon1000 View Post
Quote:
Originally Posted by Maverik259 View Post
Please remove this post. This is for spark plug replacement. And yes check newtis. The instructions are in there. You just pull out the rubber trim to reveal screws and it's 2 sided taped.
Thanks, sorry about that, you can remove the posts, it must have defaulted to this thread somehow from old browser cache.
No worries! And ya what he said. Your post so we can't delete. Maybe a mod but easier for you.
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      12-08-2018, 06:08 AM   #87
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do you need to regap if you are installing the X5M plugs on a stock 50i?
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      12-08-2018, 06:37 AM   #88
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Quote:
Originally Posted by F15Fan View Post
do you need to regap if you are installing the X5M plugs on a stock 50i?
Yes. You should never trust the gap right out of the box.
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