Purchase the wires you need for your electrical bulkhead fitting here. Featuring FEP wire pre-cut to 24" 18 Gauge wire with the appropriate terminal pre-crimped and ready to install!
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
Misfires and rough running often come down to worn coils and 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
Brand:
ES#:
5527196
Mfg#:
BMW101322KT
In Stock
ON SALE!
$244.99
This product was last offered at the strikethrough price on 10-28-2026
Sluggish O2 sensors don't just trigger annoying Check Engine Lights; they cause poor fuel economy, rough idling, and can even degrade your expensive catalytic converters over time.
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#:
5481204
Mfg#:
11787545074/5KT
In Stock
ON SALE!
$366.99
This product was last offered at the strikethrough price on 10-28-2026
With award-winning Swedish technology, the dual input D250SE allows you to enjoy your vehicle more
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#:
4492942
Mfg#:
40-315
In Stock
Limited Qty Sale
$569.99
This product was last offered at the strikethrough price on 05-02-2026
Controls the air / fuel mixture of the engine
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
Controls the air / fuel mixture of the engine
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
Controls the air / fuel mixture of the engine.
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
Professional 12V/24V battery and electrical system tester featuring a built-in thermal printer, 6 test modes, and rapid 3-second diagnostics for lead-acid, GEL, AGM, EFB, and Lithium batteries.
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#:
5527604
Mfg#:
307020135
Ships in 5 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.
$249.99
This product was last offered at the strikethrough price on 10-28-2026
The Mishimoto BMW 550i Ignition Coil is a high-quality replacement designed to restore the factory performance and fuel efficiency of your 4.4L V8 engine.
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
Main Injector Harness For V8 Motiv ReFlex Lite Applications
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
Designed for perfect fit and function
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
Regain power loss & fuel economy from worn or failed ignition coils!
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#:
4940209
Mfg#:
M137KT
Ships in 9 Business Days
$228.00 USD
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Regain power loss & fuel economy from worn or failed ignition coils!
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
The Mass Airflow Sensor for BMW, available at ECS Tuning, precisely measures air intake to ensure optimal fuel injection, enhancing engine performance and fuel efficiency.
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!
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
