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Troubleshooting
New
475
5.3K
Threads
475
Messages
5.3K
R
Hpfp... low cold start fuel pressure and low fuel rail prssure.
Friday at 1:23 PM
ROG58
Advanced Tuning
New
236
3.7K
Threads
236
Messages
3.7K
N54
Convert my PI fuel to PI meth?
Tuesday at 12:16 PM
JonEQuest
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J
Black Friday Sale 2022 N5x E Series JSRTuning
JSR1256
Nov 22, 2022
Replies
0
Views
547
Nov 22, 2022
JSR1256
J
N54 Idle Surge? Help needed
N54savage
Nov 8, 2020
2
Replies
24
Views
6K
Nov 19, 2022
hdee
BMW N54 335i AT Speedtech 1025PS/1011HP-1225Nm/903.5ftlb
Scorpstan
Aug 22, 2021
2
3
Replies
52
Views
20K
Nov 17, 2022
Jern54
E90 325i N53B30 (MSD80) crank but no start
Urgolax
Nov 14, 2022
Replies
0
Views
918
Nov 14, 2022
Urgolax
Code 29F1 DME: Fuel Pressure, Plausibility
doublespaces
May 22, 2019
2
Replies
33
Views
18K
Nov 8, 2022
PupkinRacing
N
2009 e90 335i water pump start working after engine off need help!!!
nnpp404
Jul 20, 2021
Replies
5
Views
2K
Nov 7, 2022
Booda199
Cold Start Leak with Thermostat Delete Plate
Uber Wagon
Jan 21, 2021
Replies
17
Views
2K
Nov 7, 2022
Ajr10
N
Technical
Much more boost, less power at high rpm
nyt
Jun 24, 2022
Replies
12
Views
2K
Nov 2, 2022
Tempergarage
Any recommendations for a ‘gloop’ when assembling forced air aftermarket plumbing?
pbondar
Oct 30, 2022
Replies
7
Views
860
Oct 31, 2022
fmorelli
Technical
Intermittent Misfire/Jerk cruising in highway & Stalling at stoplights
Pulstura
Aug 2, 2022
Replies
15
Views
2K
Oct 27, 2022
Pulstura
no cowl/engine cover + rainwater = ruined 6th cylinder spark plug
Seaneezy
Jan 7, 2019
2
Replies
25
Views
6K
Oct 27, 2022
martymil
B
N54 single turbo oil drain line specs
bostons335i
Oct 17, 2022
Replies
4
Views
2K
Oct 24, 2022
bostons335i
B
N54 HPFP oscillation over 22psi
jakeg
Oct 22, 2022
Replies
4
Views
857
Oct 23, 2022
jakeg
F
N54 Knocking noise.
four7
Oct 22, 2022
Replies
0
Views
625
Oct 22, 2022
four7
F
Switching from Bosch ADV to NTK
myfirstbimmer
Oct 20, 2022
Replies
0
Views
509
Oct 20, 2022
myfirstbimmer
N
Reflex Plus Full E85 Requirements
new guy
Oct 11, 2022
Replies
11
Views
2K
Oct 19, 2022
jzx_andy
B
Jb4 back end flash tune used as a straight flash?
boost135
Oct 7, 2022
Replies
1
Views
743
Oct 7, 2022
carabuser
C
N54 Torque Plate
Coupes66
Oct 6, 2022
Replies
1
Views
925
Oct 7, 2022
Reformatt
Slow boost build but still makes 18PSI
RabbitOLychee
Oct 4, 2022
Replies
1
Views
733
Oct 6, 2022
RabbitOLychee
K
Misfire on Cyl 4
Klos
Sep 4, 2022
Replies
1
Views
869
Oct 5, 2022
Reformatt
P
VTT VC and Catch Can setup oil consumption
pysical
Jun 5, 2022
Replies
4
Views
1K
Oct 5, 2022
Reformatt
Before choose tuner, read me or get cheated. DocVu etuning process and result sharing
lowsonchen
May 29, 2021
7
8
9
Replies
162
Views
24K
Sep 26, 2022
Sausage
S
N54 injectors 3.3k?!?!
Torgus
Aug 18, 2022
2
3
Replies
42
Views
11K
Sep 25, 2022
martymil
E60s with the N54 dont have a fuel pump fuse?
TheObjectivist
Sep 22, 2022
Replies
7
Views
1K
Sep 25, 2022
TheObjectivist
Long starts then dies after new engine
SLOWESTN54
Sep 5, 2022
Replies
7
Views
999
Sep 24, 2022
tchron
S
Technical
Engine builders Which Rod Bearings?
syn909
Jan 13, 2021
Replies
16
Views
4K
Sep 24, 2022
Keltalon135i
Maxxecu PNP harness is available N54!!
Keltalon135i
Sep 24, 2022
Replies
0
Views
1K
Sep 24, 2022
Keltalon135i
MAXX ecu wiring harness for N54
E92-Ghandi
Jul 15, 2021
Replies
4
Views
2K
Sep 24, 2022
Keltalon135i
N
30bb
nathaniel127
Sep 23, 2022
Replies
0
Views
607
Sep 23, 2022
nathaniel127
N
DIY
Need Help with Underboosting - Oscillating crazy
N54_XXX
Sep 23, 2022
Replies
1
Views
1K
Sep 23, 2022
N54_XXX
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