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Troubleshooting
New
515
5.6K
Threads
515
Messages
5.6K
Manual swap
Apr 21, 2025
baronmellick
Advanced Tuning
New
262
3.9K
Threads
262
Messages
3.9K
I8A0S Hydra HPFP overdrive VCV Tuning
Monday at 1:44 PM
azaiats
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Oil dipstick retrofit
fmorelli
Jun 3, 2018
2
Replies
34
Views
14K
Feb 7, 2022
fmorelli
Bucket vs bucketless
pbondar
Feb 7, 2022
Replies
1
Views
4K
Feb 7, 2022
bakerdou
B
K
Update… N54 2002 “roundie” is finally shredding tires!
Kasmot
Feb 6, 2022
Replies
0
Views
777
Feb 6, 2022
Kasmot
K
Bucketless sucks - I keep running out of gas at 3/4 of a tank.
twinturbos
Aug 21, 2019
3
4
5
Replies
92
Views
20K
Feb 5, 2022
martymil
P
External FPR long stars
pysical
Jan 13, 2022
Replies
10
Views
1K
Jan 15, 2022
pysical
P
C
Poll
High Flow Oil Drain Reccomendations
Cswihart
Feb 5, 2018
2
Replies
38
Views
12K
Jan 14, 2022
zaw111
Z
VRSF Catless Downpipes and codes 2CA6 2CAA
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Jan 12, 2022
Replies
8
Views
4K
Jan 13, 2022
SLOWESTN54
Rough idle with high AFRs after start
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Jun 4, 2020
Replies
18
Views
6K
Jan 12, 2022
martymil
Good replacement for stock turbos
SLOWESTN54
Aug 13, 2021
2
Replies
35
Views
4K
Jan 10, 2022
SLOWESTN54
ARP headstuds
RNM
Sep 29, 2021
2
Replies
22
Views
4K
Jan 9, 2022
RuskiRacer
R
DocRace 6466 or 1.01 A/R GTX3575rs
G3RSTY7
Jan 6, 2022
Replies
1
Views
1K
Jan 6, 2022
RuskiRacer
R
N54 Custom Tuning Solutions
RBSileighty
Jan 16, 2019
Replies
18
Views
18K
Jan 6, 2022
Maroon_e90
P
Datalog
BMW 135i Cold Start Rough Idle (fine when JB4/MHD removed)
Phillstine
Dec 7, 2021
2
Replies
20
Views
4K
Jan 4, 2022
Phillstine
P
BMW 335i AT 1/2 Mile World Record again
Scorpstan
Oct 9, 2021
Replies
4
Views
3K
Jan 1, 2022
TheFixer
D
550whp — do I really need a full exhaust? Or are dps and 335is muffler good enough?
drunkentrader
Nov 28, 2021
2
3
4
Replies
70
Views
8K
Dec 25, 2021
pbondar
Datalog
Throttle does this weird oscillating closing thing
beetos
Dec 19, 2021
Replies
6
Views
2K
Dec 21, 2021
corbanistan
C
what's wrong with my car
caneker
Dec 12, 2021
Replies
12
Views
1K
Dec 15, 2021
Torgus
MHD OTS N54 maps..why does a stage 2 map offer less gains than stage 1+
pbondar
Dec 13, 2021
Replies
10
Views
6K
Dec 13, 2021
SlowE93
Iron n54?
Steve135i
Dec 10, 2021
2
Replies
28
Views
5K
Dec 11, 2021
Torgus
Boost surging at 2500-4000 rpm
Donny
Nov 16, 2021
Replies
7
Views
1K
Dec 9, 2021
carabuser
RB GF 19T Cast Turbo Review and Results
Blaster3500
Sep 27, 2019
2
3
4
Replies
78
Views
23K
Dec 2, 2021
Blaster3500
Calum's Stock Turbos N54 Drag Build
Cal1415
Aug 22, 2020
2
Replies
30
Views
5K
Dec 2, 2021
Cal1415
SPA Turbo T3 Cast Turbo Manifold
doublespaces
Jun 26, 2017
6
7
8
Replies
156
Views
39K
Dec 1, 2021
KClemente
.BMW N54 smoking. Input and feedback needed.
Sixbanger
Nov 25, 2021
Replies
17
Views
3K
Dec 1, 2021
corbanistan
Single Turbo build questions, help!
HunterSTE90
Jul 6, 2021
Replies
6
Views
3K
Nov 30, 2021
Cole17171
R
Stock piston to valve clearance?
rac
Nov 29, 2021
Replies
2
Views
968
Nov 29, 2021
rac
R
P
Benefit of aftermarket valve cover?
pysical
Nov 11, 2021
2
Replies
30
Views
7K
Nov 28, 2021
corbanistan
Drama Appreciation
virtualize
Nov 27, 2021
Replies
0
Views
730
Nov 27, 2021
virtualize
Black Friday Sale - Official XPH Sale Thread **BLACK FRIDAY SALE**
Mike @ XPH
Nov 25, 2021
Replies
0
Views
795
Nov 25, 2021
Mike @ XPH
N54 w/ZF8 transmission...potential new option for auto guys
dyezak
Mar 19, 2018
4
5
6
Replies
106
Views
42K
Nov 22, 2021
SLOWESTN54
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