Any way to tell the age of coil packs?

itsstock02 · 03-28-2015, 07:08 PM

Im curious if there are any numbers on the Bosch coil packs that will help me identify its manufacture date or age of the it.

MajesticBlueNTO · 03-28-2015, 07:19 PM

Manufacture date is printed on the body of the coil pack, below the part numbers, in YY-MM-DD format

itsstock02 · 03-28-2015, 07:31 PM

Sweet, thanks for the reply. I saw that, but wasnt 100% sure.

Deebo · 03-29-2015, 09:34 AM

If you're unsure or just buying the car, it's not a bad idea to just do a fresh set of plugs and coils as preventative maintenance. I did it when I first got mine, that way you get the peace of mind and can establish the intervals that you'll change them out. Car will run smoother and honestly, the N54 eats them up so you'd have to do it soon regardless.

03-28-2015, 07:08 PM	#1
itsstock02 First Lieutenant 21 Rep 326 Posts Drives: 2008 335i Join Date: Aug 2013 Location: MI iTrader: (2)	Any way to tell the age of coil packs? Im curious if there are any numbers on the Bosch coil packs that will help me identify its manufacture date or age of the it.
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03-28-2015, 07:19 PM	#2
MajesticBlueNTO New Member 8 Rep 14 Posts Drives: E90 335i Join Date: Sep 2013 Location: Thornhill iTrader: (1)	Manufacture date is printed on the body of the coil pack, below the part numbers, in YY-MM-DD format
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03-28-2015, 07:31 PM	#3
itsstock02 First Lieutenant 21 Rep 326 Posts Drives: 2008 335i Join Date: Aug 2013 Location: MI iTrader: (2)	Sweet, thanks for the reply. I saw that, but wasnt 100% sure.
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03-29-2015, 09:34 AM	#4
Deebo Lieutenant 248 Rep 561 Posts Drives: 2011 AW E90 ZCP Join Date: Jun 2013 Location: Laguna Hills, CA iTrader: (2)	If you're unsure or just buying the car, it's not a bad idea to just do a fresh set of plugs and coils as preventative maintenance. I did it when I first got mine, that way you get the peace of mind and can establish the intervals that you'll change them out. Car will run smoother and honestly, the N54 eats them up so you'd have to do it soon regardless.
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