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. For use with JB4 only
Features CAN-Bus connectivity for more advanced tuning � increases turbocharger output by 3-6psi producing significant power and torque gains
Not for sale or use in the state of California.
Easy to install, easy to use boost controller - up to 30HP, 40lb/ft gain!
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Brand:
ES#:
3184156
Mfg#:
D440-0034
Ships in 6 Business Days
ON SALE!
SAVE 10%
$285.99
This product was last offered at the strikethrough price on 07-31-2026
Unleash +9 horsepower and +22 lb-ft of torque on your M274 powered Mercedes with the Eurocharged ECU Tune and the included flash device - flash your car from home in minutes!
Unleash +37 horsepower and +40 lb-ft of torque on your M274 powered Mercedes with the Eurocharged ECU Tune and the included flash device - flash your car from home in minutes!
Get up to +40 hp and +37 lb-ft through a safe and easy to use tuning module from RaceChip
Brand:
ES#:
4847479
Mfg#:
928656
Ships in 4 Business Days
19% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$798.00
This product was last offered at the strikethrough price on 08-04-2026
$648.00 USD
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on orders $49 and up
Lifetime Replacement
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