Also known as the RPM or speed 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 For vehicles with manual transmission only
Brand:
ES#:
284120
Mfg#:
078906433B
Ships in 1 day
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$204.99
This product was last offered at the strikethrough price on 08-31-2026
Includes connector housing with terminals and seals. Great for an OE replacement or custom upgrades.
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 Please reference original part number from existing connector to confirm fitment, prior to ordering. *OEM
Brand:
ES#:
4460527
Mfg#:
8E0973703B-KIT
In Stock
ON SALE!
SAVE 86%
$25.99
This product was last offered at the strikethrough price on 05-02-2026
The MUS 4.3 POLAR (Part No. 56-958) has been specially developed to offer excellent all-around charging with special cold weather performance and adapted AC and DC cables to handle severe cold down to -22°F (-30°C).
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 starter to the transmission. M12x110
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#:
470001
Mfg#:
N90495704
Ships in 1 day
12% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$16.99
This product was last offered at the strikethrough price on 10-25-2026
High-quality stainless steel sensor, accurate to within +/- 1% Full Scale over -40C to 105C - Includes repeatability, hysteresis and linearity
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 *General fitment MAP sensor for performance forced induction applications - Not direct fit, modifications may be necessary for install*
Brand:
ES#:
3980550
Mfg#:
30-2130-50
In Stock at Vendor
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$200.99
This product was last offered at the strikethrough price on 10-25-2026
Includes connector housing with terminals and seals. Bosch style connector used in various positions on the cars.
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#:
4875873
Mfg#:
LK2M
In Stock
ON SALE!
SAVE 29%
$6.99
This product was last offered at the strikethrough price on 06-13-2026
Includes four Karlyn coil packs and four NGK platinum spark plugs
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
X for Extreme - Boost X is the next generation in jump packs with an all-new design and more powerful jump starts. This 12V battery jumper will jump gas vehicles up to 7.5L and diesel engines up to 5.0L.
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#:
4389654
Mfg#:
GBX55
Ships in 8 Business Days
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$219.99
This product was last offered at the strikethrough price on 10-25-2026
Located between the throttle body and intake manifold
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
Keep your engine running strong with copper core spark plugs
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!
Located after the catalytic converter
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 models with BGN engine code only - Fits left and right sides
Brand:
ES#:
2684823
Mfg#:
1K0998262R
Ships in 1 Business Day
$177.81
This product was last offered at the strikethrough price on 08-02-2026
Referred to as the speed sensor & reference 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
Brand:
ES#:
4932076
Mfg#:
077905381F
In Stock
Limited Qty Sale
$21.99
This product was last offered at the strikethrough price on 08-04-2026
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
