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
Max gains of up to +60 HP and +91 lb-ft TRQ (Crank); +55 HP and +80 lb-ft TRQ (Wheel)
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes! Fits 2020+ model years
Brand:
ES#:
4499648
Mfg#:
D440-0153
Ships on Aug 20, 2026
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
Add Performance to your B58 While Maintaining Reliability with Dinan!
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes! For model years up to 2019 (B58M30M0 (B58A) Engine ONLY) For modelw with the B58M30M0 (B58A) Engine ONLY
Brand:
ES#:
4428752
Mfg#:
4431
Ships in 6 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.
$899.99
This product was last offered at the strikethrough price on 07-22-2026
Plug & play power — gain up to 60 horsepower on a stock car, 80+ horsepower on a modified car with a B58! Highest HP gains from Burger Motorsport!
Not for sale or use in the state of California. For models with the earlier Gen1 B58 engine only
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.
Next-Gen Power Delivery with OEM-Level Integration - up to +80 HP / +75 TQ
2X Entries For Our 25th Anniversary Sweepstakes! For early models with the Gen1 B58 engine (B58A)
If you've upgraded your car or just want a bit more power from your stock vehicle, performance engine software helps maximize your car's potential by letting it know just where the limits are. Improve your driving experience with upgraded performance engine software from our selection of elite software tuners.
Lifetime Replacement
