A failed knock sensor can cause major performance issues
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
34423
Mfg#:
13627566786
In Stock
9% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$173.99
This product was last offered at the strikethrough price on 10-26-2026
A premium upgrade designed to deliver unparalleled fuel system reliability and versatility.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Not for cars with Additional Energy Supply S146A.
Brand:
ES#:
3193564
Mfg#:
61126834543
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.
$280.99
This product was last offered at the strikethrough price on 10-26-2026
Upgrade your coils to the new and improved B58 ignition coil which support over 1000whp!
2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand new unit - no core charge! Avoid messing with a core return entirely!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat! For vehicles with production date from 03/2011
Performance ignition coils modified specifically for your B Series engine to increase efficiency and output! B46/B48
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4690328
Mfg#:
TIGNITIONB4KT
In Stock
ON SALE!
SAVE 20%
$211.99
This product was last offered at the strikethrough price on 06-13-2026
OEM Bosch Downstream O2 Sensor
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat!
Brand:
ES#:
4316418
Mfg#:
11788631049
Ships in 1 Business Day
$154.99
This product was last offered at the strikethrough price on 05-07-2026
Replace your faulty sensor to restore engine performance and fuel economy
2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat!
Brand:
ES#:
4858208
Mfg#:
12138616153
In Stock
Limited Qty Sale
$59.99
This product was last offered at the strikethrough price on 05-07-2026
With automotive electrical content growing yearly, it has never been more important to keep your charging and electrical system in top working condition. ECS Tuning stocks a huge and constantly growing inventory of electrical sensors, electric motors, and electronic actuators from original equipment and name-brand aftermarket suppliers.
Lifetime Replacement
