Detects engine ping and changes timing accordingly ; Also known as a knock sensor
Brand:
ES#:
3520899
Mfg#:
13627535067
$42.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Runs from the turbocharger's outlet to the intercooler's inlet
Brand:
ES#:
5426244
Mfg#:
60-3M7104
$146.99 USD
Free Shipping
Lifetime Replacement
Low restriction cloth air filter which adds more air flow : black powdercoat : Blue elbow : cloth filte
CARB certified for sale in all 50 states
Brand:
ES#:
3098292
Mfg#:
56-312122
EO#:
D766
$330.99 USD
Free Shipping
Lifetime Replacement
Proprietary tune box designed specifically for the R60/R61 S, SALL4, & JCW up to 18-22 HP / + 28-32 TQ
Brand:
ES#:
5504925
Mfg#:
NM.641760
$426.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Open-Air-Box air intake system
Brand:
ES#:
5396287
Mfg#:
NM.658858D
$499.00 USD
Free Shipping
Open-Air-Box air intake system
Brand:
ES#:
5396283
Mfg#:
NM.658858BD
$499.00 USD
Free Shipping
Lifetime Replacement
Open-Air-Box air intake system : Short tube system
Brand:
ES#:
5396289
Mfg#:
NM.658857D
$309.00 USD
Free Shipping
Replace your cracked or leaking housing
Brand:
ES#:
4751846
Mfg#:
11428643757
$371.99 USD
Free Shipping
on orders $49 and up
Eliminate engine pitching for instant throttle response and crisp shifting.
Brand:
ES#:
5470599
Mfg#:
PFF5-1824BLK
$41.99 USD
Lifetime Replacement
Stiffer bushings will allow smoother movement :: full bushing replacement
Brand:
ES#:
4858170
Mfg#:
PFF5-1820BLK
$66.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Regain power loss & fuel economy from worn or failed ignition coils!
Brand:
ES#:
4940153
Mfg#:
M133
$48.00 USD
Free Shipping
on orders $49 and up
Regain power loss & fuel economy from worn or failed ignition coils!
Brand:
ES#:
4940207
Mfg#:
M138KT1
$148.00 USD
Free Shipping
on orders $49 and up
Rebuilt performance engines that are great for the street to track level
Engine if not in stock here or at S4S will take Race engine 120-180 days to build, ETA on site is estimate
Brand:
ES#:
4880964
Mfg#:
18RCE
$11195.00 USD
To be installed with 831204 kit
Brand:
ES#:
3033517
Mfg#:
816064
$489.99 USD
Free Shipping
Featuring a Sport Hi-Flow Sport Cat with factory mounts for OEM exhausts
Brand:
ES#:
3033549
Mfg#:
831221
$2487.99 USD
Free Shipping
Mounts to the upper side of the engine head
2X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
5425765
Mfg#:
11667586424
$318.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
More About Engine Parts & Accessories
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
