Alter parameters and fine-tune � wirelessly!
For use with N54 JB4 systems and any JB4 manufactured prior to 2017. Please check board diagrams to properly identify your JB4 before ordering.
Brand:
ES#:
3508698
Mfg#:
JB4-BT
In Stock
$149.00
This product was last offered at the strikethrough price on 05-12-2026
Capable of 850+ whp with supporting modifications - Includes a refundable $1200 core charge
For vehicles with the N63TU engine only - Not compatible with the earlier N63A engine
Brand:
ES#:
3660758
Mfg#:
PURE-N63-0006KT
Ships in 5 Business Days
$5393.99
This product was last offered at the strikethrough price on 07-13-2026
Plug & play power — gain up to 100 horsepower on a stock car!
For F-Chassis Vehicles w/ N63TU Engine Only; Not for sale or use in California For vehicles with an N63TU engine only
Upgrade your daytime running light modules and add the highly desired yellow DTM-style DRLs to your BMW's headlights!
10X Entries For Our 25th Anniversary Sweepstakes! For Pre-LCI vehicles with Xenon Headlights only
Brand:
ES#:
4819072
Mfg#:
055810LA03
In Stock
ON SALE!
$234.99
This product was last offered at the strikethrough price on 05-02-2026
Capable of 650+ whp with supporting modifications - Includes a refundable $1200 core charge
For vehicles with the N63TU engine only - Not compatible with the earlier N63A engine
Brand:
ES#:
3660759
Mfg#:
PURE-N63-0005KT
Ships in 5 Business Days
$3842.99
This product was last offered at the strikethrough price on 07-13-2026
Make wheel changes faster and easier, enough to convert both axles
10X Entries For Our 25th Anniversary Sweepstakes! Ideal for vehicles with 11mm - 20mm wheel spacers. May also be used with smaller spacers or without space
Brand:
ES#:
2842199
Mfg#:
PRF82CH5KT2
In Stock
ON SALE!
$191.99
This product was last offered at the strikethrough price on 06-13-2026
All the performance 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.
Lifetime Replacement
