Plug-&-Play piggyback tuner offering a wide range of adjustments - easily adjusted via Dinan's Bluetooth app
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes! For vehicles with the Gen3 B58 (B58N / B58TU2) engine only
Brand:
ES#:
5425666
Mfg#:
D440-0201
Ships on Aug 12, 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.
$742.99
This product was last offered at the strikethrough price on 07-18-2026
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.
Looking to push a BMW build to its absolute limits without the usual wiring headaches? The Fuel-It! CANfuel offers a smart, flexible way to deliver the precise fueling a high-performance engine demands.
For Automatic Transmissions Only
Next-Gen Power Delivery with OEM-Level Integration - up to + 70 HP / + 70 TQ
2X Entries For Our 25th Anniversary Sweepstakes! For LCI models with the Gen3 B58 (B58N / B58TU2)
Next-Gen Power Delivery with OEM-Level Integration - up to +80 HP / +75 TQ
2X Entries For Our 25th Anniversary Sweepstakes! For Pre-LCI models with the Gen2 B58 (B58D / B58TU)
Add power and performance with special software upgrades from recognized tuning leaders like APR, Cobb, and Malone. Let our trained support staff show you how to pick the performance software upgrade that suits your driving preferences and budget.
Lifetime Replacement
