Peak gains of 12 hp and 9 ft-lbs of torque at the wheels for B9 A4/A5 (stock software)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Replace your pesky OEM ignition coil tiedown studs with these titanium bolts!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4476323
Mfg#:
TI-M6X1X40-4RD
In Stock
ON SALE!
SAVE 10%
$46.99
This product was last offered at the strikethrough price on 06-13-2026
Recommended to be replaced with the water pump
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat!
Brand:
ES#:
4028100
Mfg#:
06K121605C
In Stock
ON SALE!
SAVE 11%
$30.99
This product was last offered at the strikethrough price on 02-22-2026
This entry level kit includes thermostat, waterpump, expansion tank, coolant, and all necessary hardware.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with engine code CYMC (model years through 2020)
Featuring silver fine wire center electrode - Superior ignition ability increases engine power!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Three heat ranges colder than stock with a non-projected tip
Brand:
ES#:
4017479
Mfg#:
ER08S
In Stock
8% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$12.99
This product was last offered at the strikethrough price on 06-29-2026
This entry level kit includes thermostat, waterpump, expansion tank, coolant, and all necessary hardware.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
The perfect companion to the 034Motorsport X34 Carbon Fiber Cold Air Intake System
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms *To be used with 034Motorsport X34 Intake System or most aftermarket intakes that utilize the OEM air duct*
Brand:
ES#:
3988147
Mfg#:
034-108-1024
Ships in 2 Business Days
ON SALE!
SAVE 10%
$377.00
This product was last offered at the strikethrough price on 06-28-2026
Used to remove the soft code caused by replacing the failure-prone factory "active" mounts with 034Motorsport Density Line & Motorsport Spec Engine Mounts. One required per mount.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4846369
Mfg#:
034-708-0006
In Stock
ON SALE!
SAVE 10%
$14.00
This product was last offered at the strikethrough price on 06-28-2026
Also called the "breather valve" or "oil separator"
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat! For vehicles with production dates up to 04/11/2018
Stop stretched out chains from creating noise
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#:
2959851
Mfg#:
06K109158A
In Stock
Limited Qty Sale
$125.64
This product was last offered at the strikethrough price on 05-02-2026
Includes Hengst oil filter and Pentosin high performance 5W-40 synthetic engine oil
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2777507
Mfg#:
06L115562KT2
In Stock
ON SALE!
$97.99
This product was last offered at the strikethrough price on 05-02-2026
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.