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Troubleshooting
New
471
5.3K
Threads
471
Messages
5.3K
B
Oil cooler hard line size
Saturday at 5:55 AM
Boost.J
Advanced Tuning
New
235
3.7K
Threads
235
Messages
3.7K
R
Need Custom Head Gasket
Today at 3:44 PM
RPMaddict
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S
Datalog
Exhaust note change
stuarty135
Nov 20, 2023
Replies
0
Views
352
Nov 20, 2023
stuarty135
S
Pump gas (94) and port injection (built engine single turbo)
steve30
Jul 11, 2023
Replies
4
Views
839
Nov 18, 2023
steve30
New EKPM board for short money
fmorelli
Mar 12, 2023
2
Replies
21
Views
3K
Nov 17, 2023
Haideezy
H
Mishimoto N54 Water Pump
I am Jacks N54
Nov 16, 2023
Replies
2
Views
490
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
345
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
764
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
703
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
428
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
585
Nov 2, 2023
Boorda
Current state of MHD and Reflex Plus
Tuppidsay
Nov 2, 2023
Replies
1
Views
916
Nov 2, 2023
rev210
Cylinder head gasket thickness after machined
Jspc_dhx
Oct 31, 2023
Replies
3
Views
637
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
698
Oct 12, 2023
KClemente
C
Vanos timing on Exhaust camshaft
Coupes66
Oct 11, 2023
Replies
4
Views
595
Oct 12, 2023
Coupes66
C
B
Not hitting Target Boost, single Turbo setup.
BMWPower88
Jul 28, 2023
Replies
1
Views
850
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
930
Oct 11, 2023
wheela
Datalog
Fueling Issue
Frozzius
Oct 6, 2023
Replies
3
Views
683
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
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