Can leave this dongle plugged in without draining battery. Enables you to wirelessly load MHD flashes and several other functions to your BMW when paired with an Android or iOS device! Compatible with E, F, & G Chassis BMWs!
Newest MHD Flash Adapter - works with E F & G Chassis BMWs!
Wirelessly connect your JB4 to your phone!
For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering.
The ultimate OBD adapter designed to deliver exceptional speed, maximum connection stability, and great performance for flashing, coding, and live monitoring
Alter parameters and fine-tune � wirelessly!
For use with N54 JB4 systems and any JB4 manufactured prior to 2017. Please check board diagrams to properly identify your JB4 before ordering.
Brand:
ES#:
3508698
Mfg#:
JB4-BT
In Stock
$149.00
This product was last offered at the strikethrough price on 05-12-2026
Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. Includes JB4 side repair harness molex pigtail.
Max gains of up to +47 HP and +59 lb-ft TRQ (Crank); +42 HP and +54 lb-ft TRQ (Wheel).
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4430029
Mfg#:
D440-0132
Ships in 10 Business Days
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$760.99
This product was last offered at the strikethrough price on 07-22-2026
$675.99 USD
Free Shipping
Lifetime Replacement
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