Wirelessly connect your JB4 to your phone!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering.
Attracts metal particulates that would otherwise be circulating your engine! Includes one copper washer
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
251839
Mfg#:
002201ECS01A
In Stock
ON SALE!
SAVE 25%
$38.99
This product was last offered at the strikethrough price on 06-13-2026
Modified core windings offer increased spark for a faster and more efficient burn.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4039796
Mfg#:
12138643360
In Stock
ON SALE!
SAVE 17%
$35.99
This product was last offered at the strikethrough price on 05-02-2026
A common failure part on B48/B58/S58 fuel systems, the fuel tank breather valve prevents the fuel tank from over pressurizing. Will normally cause CEL when failed.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat!
Brand:
ES#:
4691047
Mfg#:
13907643106
In Stock
ON SALE!
SAVE 40%
$121.99
This product was last offered at the strikethrough price on 04-15-2026
In-house engineered for maximum efficiency, air flow, and induction sound! Featuring an aluminum heat shield, a reinforced silicone inlet hose, and dual-cone air filters.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4907813
Mfg#:
054543LA10
Ships on Nov 27, 2026
ON SALE!
SAVE 15%
$520.99
This product was last offered at the strikethrough price on 06-13-2026
Keep your engine burning at maximum efficiency with original equipment spark plugs.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
3486417
Mfg#:
12122455258
In Stock
23% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$32.50
This product was last offered at the strikethrough price on 06-24-2026
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority.
Brand:
ES#:
3134874
Mfg#:
84102447710
In Stock
3% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$119.99
This product was last offered at the strikethrough price on 06-24-2026
With the all-new Kies WiFi Enet Adapter, you can now use your favorite apps, wirelessly, from one convenient dongle!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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.
$325.99
This product was last offered at the strikethrough price on 06-24-2026
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
