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View Poll Results: Which spark plugs are better
Bosch
37.04%
NGK
62.96%
Voters: 27. You may not vote on this poll

NGK v Bosch

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Old 02-18-2010, 10:11 AM
  #11  
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I ran the single tip NGK Iridiums that you cant get from local auto store, good plug have 10k miles on them. I paid 8.00 per plug
Old 02-18-2010, 11:09 AM
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Thanks Jay Bimma

NGK Laser Iridium Long Life 4294 IZFR6H-11 (8)

These are what I ordered. I copied\paste that other model at first. Thank for mentioning it. I checked my order and confirmed I ordered the right ones.
Old 02-18-2010, 11:19 AM
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My Ride: 2006 550i | Silver-Grey- A08 | Premium - Sport Package | Adaptive Headlights | Logic 7 w/ CD Changer | Bluetooth | Park Distance Control | Xenon Headlights | Comfort Access [s]Sprint Booster V1[/s] | K&N filter - Stock Box w/ Charcoal Filter Removed | Clear Side LED Markers | Matte Black Grilles | RPI Air Scoop | RPI 550i GT Exhaust | 12" Kicker w/ AMP | Headlight Euro Overlays | ACS Rep Roof\Trunk Spoilers |MTEC V2 Angel Eyes | 6000k HID Fog Lights | 19" VMR v710 Stag Wheels | Hankook Ventus V12 Evo K110 Tires | Debadged | LED Courtesy Door Lamps | Sprint Booster V2 | Painted Calipers | M pedals\shift knob | HID License Plate Bulbs | R1 Drilled\Slotted Rotors | Hawk HPS Brakes| ACS replica front lip |
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Thanks to Roger.

Just called the local tech he uses for his repairs, etc. He said he would only charge me $50 to install the plugs. I really don't want the hassle of dealing with those two back plugs. Been getting a little brake noise on my right side so the tech will look a that too.
Old 02-18-2010, 09:43 PM
  #14  
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I voted for NGK but actually have had good experience with Denso Iridium plugs. Check this out:

http://cgi.ebay.com/ebaymotors/ws/eB...K%3AMEWAX%3AIT

Probably be my replacement plugs when the time comes.
Old 02-18-2010, 09:48 PM
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Well, guys, I've got the car back, running the Bosch plugs. Since I did not want to go iridium - my research basically indicated that the only difference in iridium vs non-iridium is that iridium will last a little longer. Well, I decided to rather just put the new plugs in and run them.

I must say, the old plugs must've been pretty good though, since I don't really feel much difference. The idle is juuuuuuust a little bit smoother, but barely perceptible. Performance is exactly the same - although my brakes need replacing and there's still some ice on the roads here, so I haven't really tried it out yet. Overall, aside from having grossly overpaid for the job (130 for replacing the plugs and resetting all the associated computer crap) and suspicions that the shop messed with my brake sensors, I'm actually happy. They even visually checked the coils and said they "look" absolutely fine.
Old 02-19-2010, 03:26 AM
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No problem kreed!

Vlad, i didnt notice a difference either as my stock plugs were still in decant shape.
Old 02-23-2010, 11:15 PM
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Is this a good deal guys? Also it says it fits my 2005 545i so I may pull the trigger!

http://www.amazon.com/NGK-BKR6EIX-Iridium-Spark-Plug/dp/B000BYDA8E http://www.amazon.com/NGK-BKR6EIX-Iridium-Spark-Plug/dp/B000BYDA8E
Old 02-23-2010, 11:17 PM
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Originally Posted by TakmaN
Is this a good deal guys? Also it says it fits my 2005 545i so I may pull the trigger!

http://www.amazon.com/NGK-BKR6EIX-Ir.../dp/B000BYDA8E
Guessing its not bad, since my OEM Bosch plugs cost me about 16.25 a piece - and that's with Garry Romani's 25% off!
Old 02-24-2010, 01:46 AM
  #19  
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cmon its gotta be bosch, german car goes with german spark plugs
Old 02-24-2010, 05:48 AM
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I'm expecting my NKG's on my doorstep today. Too bad I'm stuck in Virginia until Friday.


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