Install new hardware with your new parts. M8x25
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 Secures the impulse rotor to the intake cam
Located between the retaining ring and fuel tank
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! From VIN 8E-4-000001, split is in the 2004 model year
Used to provide the input signal to the speedometer
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!
Monitors coolant temperature for fan control & gauge readings
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! 2-pin temperature sensor located in lower radiator hose
Located on top of the oil filter adapter
5X 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! Grey switch, 0.75-1.05 BAR
Located on top of the oil filter adapter
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 Grey switch, 0.75-1.05 BAR
Located between the retaining ring and fuel tank
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 From VIN 8E-4-000001, split is in the 2004 model year
Brand:
ES#:
4145074
Mfg#:
1J0919133B
Back Ordered
$12.99
This product was last offered at the strikethrough price on 05-07-2026
Replacement 4-pin/40 amp relay
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!
A new washer and nut to install your pulley
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#:
2855340
Mfg#:
028903320CKT
Ships in 1 day
ON SALE!
SAVE 25%
$13.99
This product was last offered at the strikethrough price on 05-02-2026
Install new hardware with your new parts - M8x35
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#:
2600419
Mfg#:
N91102201
Ships in 1 day
35% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$5.36
This product was last offered at the strikethrough price on 10-26-2026
Also known as the RPM or speed sensor
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! For vehicles with manual transmission only
Holds the engine control unit in place
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
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
