Misfire, CPO Warranty, and Diagnostic Fee - BMW 3-Series (E90 E92) Forum

Verbatim · 10-01-2012, 12:11 PM

Last week, my 335i had the service engine soon light come on and the engine was shaking, and so i restarted the car and all was well. I've also had a bit of a rough idle lately, and so today i dropped the car off at the dealer.
My service adviser mentioned that there would be a $140 charge if the problem was not covered under CPO, but that it probably is since it is engine-related.

My car has 47,000 miles and I have yet to change the spark plugs.
Am I going to get charged the 140 diagnostic fee to be told that i need new spark plugs?

In retrospect, i should have just changed the plugs myself with that $140 (plugs and the proper tools which i don't currently own).

NoTempoLimitN54 · 10-05-2012, 09:51 AM

Plugs should be changed before 45k. It won't show up in the display (CBS), but it will show up when they read your key. They shouldn't charge you to read your key.

10-01-2012, 12:11 PM	#1
Verbatim Colonel Drives: 2008 335i Join Date: Sep 2010 Location: Santa Clarita Posts: 2,554 iTrader: (0) Garage List 2008 BMW 335i [5.00]	Misfire, CPO Warranty, and Diagnostic Fee Last week, my 335i had the service engine soon light come on and the engine was shaking, and so i restarted the car and all was well. I've also had a bit of a rough idle lately, and so today i dropped the car off at the dealer. My service adviser mentioned that there would be a $140 charge if the problem was not covered under CPO, but that it probably is since it is engine-related. My car has 47,000 miles and I have yet to change the spark plugs. Am I going to get charged the 140 diagnostic fee to be told that i need new spark plugs? In retrospect, i should have just changed the plugs myself with that $140 (plugs and the proper tools which i don't currently own). __________________ 2008 BMW 335i Sedan \| Sparkling Graphite \| Sport \| Premium \| Navigation \| Comfort Access \| Logic7 Golf Tee \| M3 Trunk Spoiler \| LED Angel Eyes \| 5000k Fogs \| Resonator Delete \| Black Kidney Grills \| Black Finisher Rods \| 35%/18% Tint \| Sealer Lip \| 12mm/20mm (F/R) Spacers \| White Wheels \| Black Lines Last edited by Verbatim; 10-01-2012 at 03:04 PM.
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10-05-2012, 09:51 AM	#2
NoTempoLimitN54 Private First Class Drives: E92 335i Join Date: Sep 2012 Location: Los Angeles, CA Posts: 151 iTrader: (1)	Plugs should be changed before 45k. It won't show up in the display (CBS), but it will show up when they read your key. They shouldn't charge you to read your key. __________________ 2009 335i 6MT (E92/N54), Black Sapphire / Shadowline (Individual 760) / Black Dakota Leather, ZSP, ZCW, 6FL, PDC, no Nav/iDrive, 19 x 8.5 / 19 x 9.5 VMR VB3 in Hyper Black, Pilot Super Sport 235/35 fr 265/30 rr

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