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Troubleshooting
New
470
5.3K
Threads
470
Messages
5.3K
Bad O2-sensor?
Yesterday at 9:21 AM
odesh
Advanced Tuning
New
235
3.7K
Threads
235
Messages
3.7K
Reflex+ MHD CAN Integration - TPS and clutch supported?
Yesterday at 6:10 PM
ddoublee
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Mishimoto N54 Water Pump
I am Jacks N54
Nov 16, 2023
Replies
2
Views
478
Nov 17, 2023
JohnDaviz
B
Technical
Ignition Coil Secondary Spark Energy Comparison (N54/N55, B58 and PR)
bahn
Jan 22, 2021
6
7
8
Replies
150
Views
44K
Nov 17, 2023
Greenie
G
Help Throttle closure/overboost
Thiskid62
Nov 15, 2023
Replies
0
Views
339
Nov 15, 2023
Thiskid62
Technical
Unsolvable cyl #5 misfire - Tried EVERYTHING
Catalin335xi
Jul 18, 2023
2
3
Replies
40
Views
3K
Nov 14, 2023
135boost
MSD81 changing ZUSB
Xantor
Aug 4, 2023
Replies
4
Views
760
Nov 14, 2023
Xantor
Losing rail pressure
Slowvert135i
Nov 21, 2018
Replies
14
Views
8K
Nov 12, 2023
Brisco51
Expensive vs Cheap intakes
GavinMcKay
Nov 8, 2023
Replies
7
Views
693
Nov 11, 2023
rev210
Please review log. HPFP failure or something else? [SOLVED]
swellengear
Sep 3, 2023
Replies
5
Views
1K
Nov 8, 2023
swellengear
S
weird idle - MHD log
suspect
Nov 7, 2023
Replies
0
Views
425
Nov 7, 2023
suspect
S
S
DIY
500whp e61 build--looking for advice
swag_on
Sep 15, 2023
Replies
14
Views
2K
Nov 6, 2023
proboner
P
T
Questions about upgrading N54 to walbro 535 LPFP
TOR COILS
Jul 8, 2023
Replies
2
Views
582
Nov 2, 2023
Boorda
Current state of MHD and Reflex Plus
Tuppidsay
Nov 2, 2023
Replies
1
Views
897
Nov 2, 2023
rev210
Cylinder head gasket thickness after machined
Jspc_dhx
Oct 31, 2023
Replies
3
Views
628
Nov 2, 2023
JohnDaviz
MHD teases N54 Antilag with the stock DME
doublespaces
Apr 1, 2022
14
15
16
Replies
317
Views
44K
Oct 31, 2023
TOR COILS
T
Time attack 135 n54
sancho78rus
Aug 15, 2021
2
Replies
21
Views
3K
Oct 24, 2023
sancho78rus
V
Poll
Technical
Spark plug indexing
veer90
Feb 22, 2019
Replies
15
Views
4K
Oct 24, 2023
san40
S
Oil leak from my HPFP?
Jeffman
Aug 1, 2021
2
3
Replies
45
Views
7K
Oct 22, 2023
Neg89
N
D
Bosch coils don't misfire like Eldor
Darke Peak
May 24, 2023
Replies
5
Views
2K
Oct 22, 2023
RTA
Anyone want to look over my build before I get started?
GavinMcKay
Oct 8, 2023
Replies
3
Views
694
Oct 12, 2023
KClemente
C
Vanos timing on Exhaust camshaft
Coupes66
Oct 11, 2023
Replies
4
Views
591
Oct 12, 2023
Coupes66
C
B
Not hitting Target Boost, single Turbo setup.
BMWPower88
Jul 28, 2023
Replies
1
Views
849
Oct 12, 2023
brandnewish
H
N54 turbos
hdzpablo03
Oct 8, 2023
Replies
4
Views
1K
Oct 11, 2023
ShocknAwe
700HP N54 Single Turbo JB4 Helix Overdrive Issues
phineu
Aug 19, 2021
Replies
18
Views
3K
Oct 11, 2023
Wondering_Wobble
W
Technical
Was It Ever Considered???....
Dumaurier7
Oct 9, 2023
Replies
13
Views
928
Oct 11, 2023
wheela
Datalog
Fueling Issue
Frozzius
Oct 6, 2023
Replies
3
Views
680
Oct 9, 2023
ShocknAwe
DIY
: PTFE line- tank to HPFP + inline fuel filter upgrade
Blaster3500
Mar 13, 2018
14
15
16
Replies
303
Views
79K
Oct 8, 2023
E90TT
E
D
Pcv delete fitting options
Dmak
May 5, 2019
2
Replies
38
Views
13K
Oct 6, 2023
MoreBoost
M
Nexsys Port Injection kit?
pbondar
Sep 29, 2023
Replies
13
Views
1K
Oct 4, 2023
Traf
Technical
Need Help Figuring out parts to replace in engine rebuild
Banshee.E82
Sep 20, 2023
Replies
4
Views
1K
Oct 1, 2023
RTA
Boost Leak??
Omega412
Sep 30, 2023
Replies
4
Views
485
Oct 1, 2023
pbondar
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