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03-09-2021, 06:38 PM | #1 |
jcblum3
2
Rep 15
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JB4 Tuning System for S55
Like New JB4 tuning system for S55 BMW's. Includes wireless upgrade for use with JB4 app. All wires and connectors like new. Used for two track events and upgrading to dedicated track car. Easy to install, noticeably quicker especially with intakes. Free shipping in US. |
03-19-2021, 07:30 AM | #2 |
Brigadier General
915
Rep 3,456
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Drives: Harrop E90 M3
Join Date: May 2011
Location: Colorado Springs
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