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Engine Management (Tunes)

Engine Management (Tunes)

S55 Tunes

2015+ M3/M4 Stage1 Tuner

Our entry level S55 tune safely boosts power and torque from 40-50whp with two easy to install & remove plug and play co…

$399.00 $379.00

JB4 Bluetooth Connect Kit (Rev. 3)

  Bluetooth your JB4 to your Phone! The JB4 Connect Kit (Rev 3) allows your Bluetooth 4…

$179.00 $139.00

N54Tuning T-shirt

High quality Cotton T-shirt with our Logo.  We are making these available for 17.99 (Regular 24.99) If you place …

$24.99 $14.99

S55 M3/M4 JB4 with OBD and Optional BlueTooth Connect + FREE T-SHIRT

NOW INCLUDES an ALUMINUM weather proof enclosure and OBD harness!! The ultimate tune for your S55 powered…

$899.00 $799.00

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