Replacement expansion tank cap for your MINI
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Fits the expansion tank for the intercooler system only
Brand:
ES#:
4504673
Mfg#:
17135A1BD89
Ships in 3 Business Days
9% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$34.99
This product was last offered at the strikethrough price on 03-03-2026
Optimizes airflow to your engine for greater horsepower and torque gains, plus improved throttle response
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5435051
Mfg#:
IT-945
Ships in 7 Business Days
15% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$449.99
This product was last offered at the strikethrough price on 07-04-2026
Get the most out of your ignition system with a stronger and more consistent spark
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Elevate Your BMW S58 Engine's Performance with the Ferrea Valve Spring Kit, now available at ECS Tuning. This high-performance kit is tailor-made for the G80, G82, and G83 models, featuring 24 valve springs, 24 titanium retainers, and 24 seat locators.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Give the very plain plastic factory oil and coolant caps an upgrade with the brand new BLACKLINE Performance Engine Cap Set
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Upgrade and put the finishing touches on your engine bay. A full gloss 2x2 weave ECU cover to match other carbon engine bay components.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4490446
Mfg#:
001658TMS01-01
In Stock
ON SALE!
SAVE 37%
$282.99
This product was last offered at the strikethrough price on 05-02-2026
Replaces your stock air filter to increase engine airflow without needing to remove your stock intake
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#:
4830752
Mfg#:
D401-0047
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.
$107.95
This product was last offered at the strikethrough price on 07-04-2026
Upgrade your engine bay styling with this Carbon Fiber Engine Beauty Cover from Eventuri
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Upgrade and put the finishing touches on your engine bay with these beautiful gloss carbon fiber covers for both the Engine and ECU!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4643251
Mfg#:
001644TMS01KT
In Stock
ON SALE!
SAVE 10%
$1090.99
This product was last offered at the strikethrough price on 06-13-2026
Supplies fuel directly from the rail to the cylinder
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
5444640
Mfg#:
0261500502
Ships in 1 Business Day
$37.99
This product was last offered at the strikethrough price on 05-07-2026
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.