Jb4 map 2 problems

Monteblueem5 · 12-08-2017, 08:12 PM

Have this car for 2 months now changed the plugs oem bmw
Ones on map 1 it runs fine but on map 2 it’s breaking up
On full throttle and then the misfires check engine light flashed
And when I check I see cly 3 misfire

m5james · 12-08-2017, 08:45 PM

You should be at least one step colder plugs with JB4, tighten the gaps down to .20-.22 and consider replacing coils if you're nearing 80k.

Monteblueem5 · 12-08-2017, 10:46 PM

I got 54k on the car
140010 140310 I got with the jb4 codes

TheHouseWon · 12-09-2017, 01:58 PM

Non-comp doesnt run well on Map 2 due fueling limitations. You need a backend flash or a tune.

Monteblueem5 · 12-10-2017, 10:56 AM

So if I run meth would that help

TheHouseWon · 12-10-2017, 07:26 PM

Quote:

Originally Posted by Monteblueem5

So if I run meth would that help

Yes... But youre better off with a tune

Monteblueem5 · 12-11-2017, 10:51 PM

Does anyone know the spark plug gap on the
Oem plugs

steeve13m · 12-12-2017, 12:54 PM

Quote:

Originally Posted by Monteblueem5

Does anyone know the spark plug gap on the
Oem plugs

http://www.n54tech.com/forums/showthread.php?t=50807

TopEnd · 12-20-2017, 10:14 AM

any updates?

Monteblueem5 · 12-21-2017, 11:32 PM

I haven’t tried anything yet but I was told to regap my plugs

12-08-2017, 08:12 PM	#1
Monteblueem5 Second Lieutenant 85 Rep 284 Posts Drives: 13 m5 Join Date: Oct 2017 Location: Brooklyn ny iTrader: (0)	Jb4 map 2 problems Have this car for 2 months now changed the plugs oem bmw Ones on map 1 it runs fine but on map 2 it’s breaking up On full throttle and then the misfires check engine light flashed And when I check I see cly 3 misfire
	Appreciate 0 Tweet Quote

12-08-2017, 08:45 PM	#2
m5james Colonel 431 Rep 2,062 Posts Drives: '10 X5M Alpine White on Sakhir Join Date: Aug 2015 Location: Marysville, WA iTrader: (0)	You should be at least one step colder plugs with JB4, tighten the gaps down to .20-.22 and consider replacing coils if you're nearing 80k. __________________ '10 BMW X5///M - Alpine White on Sakhir Orange - JB4 w/ HCP Stage 2 BEF, NGK 97506 @ .20, SS tubing & BMC filters, gutted cats, AC Forged 312 22's, H&R 2" '98 BMW 740iL - ///E39 M5 6spd swap, fully built engine (sleeved, P&P, cams), 3.46 LSD, H&R Stage 2/Bilstein HD, Magnaflow 14816's '97 BMW 328ci - ///E36 M3 clutch & L/W flywheel, Z4///M 18's
	Appreciate 0 Quote

12-08-2017, 10:46 PM	#3
Monteblueem5 Second Lieutenant 85 Rep 284 Posts Drives: 13 m5 Join Date: Oct 2017 Location: Brooklyn ny iTrader: (0)	I got 54k on the car 140010 140310 I got with the jb4 codes
	Appreciate 0 Quote

12-09-2017, 01:58 PM	#4
TheHouseWon Colonel 644 Rep 2,039 Posts Drives: 2013 M5 Join Date: Nov 2015 Location: SoCal iTrader: (10)	Non-comp doesnt run well on Map 2 due fueling limitations. You need a backend flash or a tune.
	Appreciate 0 Quote

12-10-2017, 10:56 AM	#5
Monteblueem5 Second Lieutenant 85 Rep 284 Posts Drives: 13 m5 Join Date: Oct 2017 Location: Brooklyn ny iTrader: (0)	So if I run meth would that help
	Appreciate 0 Quote

12-11-2017, 10:51 PM	#7
Monteblueem5 Second Lieutenant 85 Rep 284 Posts Drives: 13 m5 Join Date: Oct 2017 Location: Brooklyn ny iTrader: (0)	Does anyone know the spark plug gap on the Oem plugs
	Appreciate 0 Quote

12-20-2017, 10:14 AM	#9
TopEnd Private First Class 17 Rep 124 Posts Drives: 2014 BMW M6 Gran Coupe Join Date: Jul 2016 Location: NYC iTrader: (0)	any updates?
	Appreciate 0 Quote

12-21-2017, 11:32 PM	#10
Monteblueem5 Second Lieutenant 85 Rep 284 Posts Drives: 13 m5 Join Date: Oct 2017 Location: Brooklyn ny iTrader: (0)	I haven’t tried anything yet but I was told to regap my plugs
	Appreciate 0 Quote