BMW G14 840i B58 3.0L Performance Software & Tuning

Attaches to the JB4 allowing it to directly control both traditional port injection kits and WMI port injection kits. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4714900

Mfg#:

F-G-PORTINJCONMO

$349.00 USD

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Lifetime Replacement

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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4714892

Mfg#:

JB4-OBDII-CA-MC

$30.00 USD

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Lifetime Replacement

Visconti has created a true plug and play harness kit for Gen 2 B58 and S58 cars! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4810321

Mfg#:

200.1103

$795.00

This product was last offered at the strikethrough price on
01-05-2026

$615.00 USD

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on orders $49 and up

Lifetime Replacement

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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:

ES#:

4430029

Mfg#:

D440-0132

11% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$749.99

This product was last offered at the strikethrough price on
06-05-2026

$665.99 USD

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Lifetime Replacement