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      05-15-2013, 02:49 PM   #89
Dackelone
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Quote:
Originally Posted by MIAblu1 View Post
So after replacing the plugs on 1 & 2 the car is responding much better but still throwing the engine malfunction and not running to potential. Will be getting the car scanned and checked for the codes.
PLEASE let us know(here) what your problem ends up being. We are all curious to the fix.
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      05-16-2013, 01:19 PM   #90
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Quote:
Originally Posted by Dackelone View Post
PLEASE let us know(here) what your problem ends up being. We are all curious to the fix.
Will do.... it's so strange though, changed those two bad plugs and now theres much better response, the trick is that meanwhile i don't pass pushing a quarter throttle the car picks up rather well, the minute i pass that throttle point to give it any more the power just isn't there and throws the malfunction as it slowly tries to pick up
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      05-21-2013, 09:21 AM   #91
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Update...again

Ran diagnostics and turns out my fuel pump picked an opportune time to crap out just after replacing the plugs... Diagnostic showed fuel pump failure and misfiring. Set the appt for this week so she gets a new one.
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      06-29-2013, 01:02 PM   #92
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Just replaced my plugs with BMW ones....getting a cylinder 5 misfire. Don't have my PROcede anymore so I'm just using a regular OBDII. Swapped back to the older plug and the car runs smoother, but at WOT is misfires again on cyl 5. Car ran perfect before I swapped plugs. Any ideas? Keep in mind...car ran perfect before I swapped plugs.
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      06-29-2013, 01:33 PM   #93
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Quote:
Originally Posted by takrdown View Post
Just replaced my plugs with BMW ones....getting a cylinder 5 misfire. Don't have my PROcede anymore so I'm just using a regular OBDII. Swapped back to the older plug and the car runs smoother, but at WOT is misfires again on cyl 5. Car ran perfect before I swapped plugs. Any ideas? Keep in mind...car ran perfect before I swapped plugs.

I would try moving cylinder #5's coil pack to another cylinder. Also make sure the electrical tab on top of the coil pack is engaging the electrical harness fully and that is not getting "cocked" in there. (see the Cobb video)

And of course you could always try buying one new spark plug from BMW and seeing if that changes anything.
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      06-29-2013, 08:53 PM   #94
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Of course it was the damn spark plug. Why are they so damn fragile? Oh well.
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      06-29-2013, 10:04 PM   #95
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How much are people spending on dealership spark plug replacements? I do not have the tools/patience to tackle this one. My dealer in Toronto, Canada is asking $299.00
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      06-30-2013, 04:35 AM   #96
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Quote:
Originally Posted by takrdown View Post
Of course it was the damn spark plug. Why are they so damn fragile? Oh well.
Thanks for the update!

I guess someone must have dropped it before you got them.
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      06-30-2013, 06:27 AM   #97
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To be fair I got mine from ESC Tuning this time instead if BavAuto. All in they were about $110 I think after shipping. Then again I did have the bad one.

I'm starting to think it might be more a case if bad location than bad plugs. Doing my initial search I notice that the vast majority of bad plugs are on cylinder 5. That's the cylinder that is a little more of a pita to get to because of the strut tower brace. I wonder if people (myself included) haven't been seating them correctly because of this. On my last attempt I just disconnected the brace at the strut tower and swung it out of the way so I could seat the plug correctly. Just a hunch.
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      09-01-2013, 06:03 AM   #98
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Changed my plugs with OEM replacement from Bosch from BMS. My car kept dipping revs at idle sporadically. I put the old plugs back and no issues.

Any ideas?
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      09-01-2013, 06:06 AM   #99
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Quote:
Originally Posted by Ian///M View Post
Changed my plugs with OEM replacement from Bosch from BMS. My car kept dipping revs at idle sporadically. I put the old plugs back and no issues.

Any ideas?
Go get a set of spark plugs purchased from a BMW dealer. I don't know why... but there is something different from the BMW Bosch plugs(OE) vs the aftermarket Bosch plugs(OEM).
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      09-01-2013, 06:10 AM   #100
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Quote:
Originally Posted by Dackelone View Post
Go get a set of spark plugs purchased from a BMW dealer. I don't know why... but there is something different from the BMW Bosch plugs(OE) vs the aftermarket Bosch plugs(OEM).
I agree, they are not the same. They work, but not 100%
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      09-01-2013, 06:16 AM   #101
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Quote:
Originally Posted by Ian///M View Post
I agree, they are not the same. They work, but not 100%
^^+1. Yup.

Also make sure you got the right spark plugs in the first place. There are N54 and N55 specific park plugs(two types). Maybe you got the wrong plugs. ?
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      09-01-2013, 06:37 AM   #102
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Quote:
Originally Posted by Dackelone View Post
^^+1. Yup.

Also make sure you got the right spark plugs in the first place. There are N54 and N55 specific park plugs(two types). Maybe you got the wrong plugs. ?
Definitely N54 spec plugs from BMS. I was diligent in changing them precisely as per DIY
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      09-07-2013, 11:15 AM   #103
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hmm...I'm still a ways off from doing my plugs but finding the correct socket is impossible unless I order the hazet socket on ebay for over 50 bucks!! geez...really??
It's painfully obvious BMW does not want people working on their own cars.

Anybody else find a cheaper one with out having to grind the wall down on an abrasive wheel??
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      09-07-2013, 02:31 PM   #104
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Go here, $20: Burger Motorsports

What would make the BMW dealer plugs any different? The price difference between getting them at an autoparts store vs BMW was significant. Crazy mark-up!
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      09-07-2013, 04:43 PM   #105
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Quote:
Originally Posted by granracing View Post
Go here, $20: Burger Motorsports
Also the forum sponsors like Tischer and United also sell the special spark plug socket for ~$20. Btw... I pad like 24 euros for my Hazet socket.


Quote:
What would make the BMW dealer plugs any different? The price difference between getting them at an autoparts store vs BMW was significant. Crazy mark-up!
I do not know what is different... but there IS a difference. Someone once posted that the ceramic inner cone is different. All I know is so many guys have had problems with the OEM vs very few people (to no one) having problems with the OE(dealer bought) plugs. That is why I went with the dealer bought plugs. I did not want to do this job two or three times.

Dack
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      09-07-2013, 09:56 PM   #106
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Thanks a bunch guys. I'm fairly new to BMW so my toolbox is still lacking. I wish I had your toolbox Dack. You have probably saved thousands of euros by fixing stuff yourself. That's gotta be a good feeling
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      09-13-2013, 02:30 AM   #107
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So after issues with Bosch plugs, I got some BMW OE plugs today. Definitely not identical despite the same code ZGR6STE2 on stamped on the plugs.

Both plugs are new.
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      09-16-2013, 01:23 AM   #108
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I too have noticed issues while running the Bosch plugs
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      09-24-2013, 08:40 AM   #109
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Are there online stores to purchase the BMW version of the plugs? Curious if there might be a less expensive source than my local dealer. Just canceled my order from BMS...

Thanks for the pics Ian.
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      09-24-2013, 05:11 PM   #110
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Quote:
Originally Posted by granracing View Post
Are there online stores to purchase the BMW version of the plugs? Curious if there might be a less expensive source than my local dealer. Just canceled my order from BMS...

Thanks for the pics Ian.
You could try any of the forum online dealers for OE BMW-Bosch plugs. Personally I would not take a chance on the OEM Bosch plugs.


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