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.
Dinan's newest in-line tuner that not only gives more power but also many additional features accessible via their free BT phone app - Adds up to 60-75 WHP/WTQ on BMW S58 powered applications!
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
4872006
Mfg#:
D440-0200
Ships on Oct 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.
$843.99
This product was last offered at the strikethrough price on 09-24-2026
Dinan's newest in-line tuner that not only gives more power but also many additional features accessible via their free BT phone app - Adds up to 60-75 WHP/WTQ on BMW S58 powered applications and includes a factory matching 4-YR/50k mile warranty!
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
4872005
Mfg#:
D440-0200-W
Ships on Oct 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.
$2643.99
This product was last offered at the strikethrough price on 09-24-2026
Max gains of up to +69 HP and +55 lb-ft TRQ (Crank); +60 HP and +49 lb-ft TRQ (Wheel)
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes For Non-Competition models only!
Brand:
ES#:
4505886
Mfg#:
D440-0164
Ships in 9 Business Days
29% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$618.99
This product was last offered at the strikethrough price on 09-24-2026
All the performance ECU/TCU upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.
