RENNZPORT JB4 & TUNING SUPPORT

These are threads and posts created by Rennzport sharing our experience and knowledge to help forum members and our customers. We have a long history and experience with the JB4 tuner for all platforms as well as MHD flasher tool and Xhp Transmission tool as well various diagnostic tools.
Twinz
JB4 (N54/N55) Support Thread, South Africa
34 35 36
Replies
703
Views
280K
///Avi
///Avi
Twinz
technical JB4 N54 True Flex Fuel - Quick Guide
Replies
3
Views
6K
Dax
Dax
YasserIsmail
Jb stage 1 question.
Replies
0
Views
2K
YasserIsmail
YasserIsmail
General.Massacre
JB4 + MHD BEF issues. Log attached
Replies
5
Views
2K
Twinz
Twinz
Twinz
MHD Flasher & JB4 tuning (N54/N55)
3 4 5
Replies
96
Views
49K
tc335tt
T
Twinz
Water/Methanol Support Thread, South Africa
2 3
Replies
50
Views
27K
gavsadler
gavsadler
bimmer330
Pump Flash?
Replies
5
Views
3K
///Shaun
///Shaun
S
Jb4 installed
2
Replies
24
Views
11K
sageman
S
Twinz
JB4 Backend Flash Tuning
2 3
Replies
49
Views
26K
bmsportzn135i
bmsportzn135i
Ziyaad
335i JB3
2
Replies
35
Views
14K
Twinz
Twinz
Twinz
Methanol/Water injection: New Super Atomizing Injectors (Pics & Vids) Updated
Replies
12
Views
12K
Twinz
Twinz
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