Wireless controlled unit that allows adjustable throttle response control
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#:
4624166
Mfg#:
D440-1700
In Stock
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$310.99
This product was last offered at the strikethrough price on 06-08-2026
The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4845644
Mfg#:
N63-WPC-RB
In Stock
ON SALE!
SAVE 20%
$653.99
This product was last offered at the strikethrough price on 05-02-2026
Aluminum upgrade for OE plastic cap. No more damaged threads or rounded heads - plus a crisp design worth showing off.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4158546
Mfg#:
006060LA01
In Stock
ON SALE!
SAVE 25%
$179.99
This product was last offered at the strikethrough price on 05-02-2026
Eliminate exhaust restrictions and give your BMW's exhaust a smoother, louder and sportier sound
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! For 2020-2023 model years only with the S63 engine - Does not fit 2024+ models with the S68 engine
Brand:
ES#:
4685736
Mfg#:
D660-0092
Ships in 1 Business Day
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$1383.99
This product was last offered at the strikethrough price on 06-08-2026
Capable of 900+ WHP with supporting modifications - Includes a refundable $1800 core charge
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
3660752
Mfg#:
PURE-S63-0004KT
Ships on Jul 8, 2026
$6831.00
This product was last offered at the strikethrough price on 04-27-2026
For Vehicles With Motiv ReFlex Unit Currently Installed
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For Vehicles With Motiv ReFlex Unit Currently Installed Only
Astonishing gains up to +343 Horsepower & 348lb-ft Torque! 100% Bolt-on installation / Upgrade. You are required to ship Weistec your OE turbochargers as a core.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms You are required to ship Weistec your OE turbochargers as a core.
Minimizes friction in the engine and ensures maximum engine performance and low fuel consumption
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat!
Brand:
ES#:
4220227
Mfg#:
20442
In Stock
39% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$17.95
This product was last offered at the strikethrough price on 02-17-2026
Alter parameters and fine-tune — wirelessly!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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
Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.
Lifetime Replacement
