Connect to 1998-2018 BMW OBD2 systems with a laptop.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4508968
Mfg#:
01KDCABLE
In Stock
$33.99
This product was last offered at the strikethrough price on 02-20-2026
Performance software designed to unlock your BMW's potential. Removes top speed limiter, raises rev limit to 7,000rpm, improves throttle response, and improves power output: +15HP +9LB/FT gains!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with a production date up to 09/1998
Brand:
ES#:
3138899
Mfg#:
N3MS41
In Stock
ON SALE!
SAVE 10%
$349.00
This product was last offered at the strikethrough price on 05-02-2026
Tune out the delayed throttle response from the factory with Injen’s X-Pedal Pro Black Edition and revamp your driving experience!
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Brand:
ES#:
4304635
Mfg#:
PT0008B
In Stock at Vendor
ON SALE!
SAVE 15%
$243.99
This product was last offered at the strikethrough price on 05-15-2026
Performance software designed to unlock your BMW's potential. Removes top speed limiter, raises rev limit to 7,000rpm, improves throttle response, and improves power output: +15HP +12LB/FT gains!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with a production date from 09/1998
Brand:
ES#:
3138953
Mfg#:
N4MS42
In Stock
ON SALE!
SAVE 10%
$349.00
This product was last offered at the strikethrough price on 05-02-2026
Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Performance software tuned for M50 manifold, S52 cams, & cold air intake
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with a production date up to 09/1998
Brand:
ES#:
3138888
Mfg#:
N328CAMS
In Stock
ON SALE!
SAVE 10%
$349.00
This product was last offered at the strikethrough price on 05-02-2026
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.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4714892
Mfg#:
JB4-OBDII-CA-MC
Ships on Jun 23, 2026
$30.00 USD
Lifetime Replacement
More About Engine Chips, Tunes & Software
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
