The perfect seal for repairing, replacing, or upgrading your valves and stem seals!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
The perfect seal for repairing, replacing, or upgrading your valves and stem seals!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Unleash the aggressive sound of your S58 engine with Active Autowerke's valved rear exhaust!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4900015
Mfg#:
11-086CB
In Stock
Limited Qty Sale
$3039.99
This product was last offered at the strikethrough price on 05-02-2026
Allows your JB4 to control a WMI pump and solenoid for dynamic progressive flow mapping!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For most JB4 applications.
Brand:
ES#:
4715229
Mfg#:
FSB-UNI
In Stock
Limited Qty Sale
$153.00
This product was last offered at the strikethrough price on 05-02-2026
Upgrade To Dinan's Foundation Package to Save When Modifying Your G8X M3 or M4!
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! Call In, Chat, Or Email, For Best Price! Limited Time Only!
A complete power & sound package for your M3!
Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Upgrade to Manley's Platinum Extreme Duty Pistons for increased performance!
Stock 10.2:1 Compression Ratio
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms .50mm Oversize
Brand:
ES#:
4685606
Mfg#:
647005CE-6
In Stock
Limited Qty Sale
$1260.99
This product was last offered at the strikethrough price on 05-02-2026
ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4919934
Mfg#:
013888LA01-02
In Stock
ON SALE!
SAVE 21%
$2477.99
This product was last offered at the strikethrough price on 05-02-2026
Cast endtanks with multiple dividers with a 60% increase in core size for maximum cooling efficiency
ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5435468
Mfg#:
8082SD
In Stock
Limited Qty Sale
$1695.00
This product was last offered at the strikethrough price on 05-02-2026
Enable flex-fuel features on your tuned BMW with this plug and play kit! Compatible with MHD or ECUTEK tunes and works with the stock or TU High Pressure Fuel Pump
ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5457709
Mfg#:
ECAGB58S58AT
In Stock
Limited Qty Sale
$490.00
This product was last offered at the strikethrough price on 05-14-2026
Plug-and-Play flex fuel kit for your BMW!
ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4899202
Mfg#:
BM3FFKTF55
In Stock
ON SALE!
SAVE 12%
$599.00
This product was last offered at the strikethrough price on 05-02-2026
Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.
Lifetime Replacement
