There is nothing worse than turning the key and getting the agonizing, slow crank of a dying starter.
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With award-winning Swedish technology, the dual input D250SE allows you to enjoy your vehicle more
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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
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.
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Designed to restore factory-level performance and fuel efficiency to a wide range of BMW models.
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Over time, factory oxygen sensors degrade from extreme exhaust heat and carbon buildup, leading to poor fuel economy, lost performance, and failed emissions tests.
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Brand:
ES#:
5481192
Mfg#:
BFR1/2O2SKT
In Stock at Vendor
$327.99
This product was last offered at the strikethrough price on 06-25-2026
Utilizing the industry-standard FTDI chipset, this cable ensures a rock-solid connection between your laptop and your vehicle’s fuel controller.
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Brand:
ES#:
5445417
Mfg#:
N54-USB-SERIAL-H
Ships in 10 Business Days
ON SALE!
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$37.99
This product was last offered at the strikethrough price on 07-02-2026
This kit provides a positive mechanical lock, ensuring each coil stays firmly seated regardless of boost levels or engine RPM.
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Brand:
ES#:
5446112
Mfg#:
VTT-N54CBRAW
Ships in 10 Business Days
ON SALE!
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$112.99
This product was last offered at the strikethrough price on 07-02-2026
Designed specifically for the N54 platform, this kit eliminates the sloppy fitment often found with factory setups.
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Brand:
ES#:
5446111
Mfg#:
VTT-N54CBGOLD
Ships in 10 Business Days
ON SALE!
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$112.99
This product was last offered at the strikethrough price on 07-02-2026
This harness is specifically engineered for BMW N54 owners who are upgrading to a front-facing intake manifold.
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Brand:
ES#:
5445388
Mfg#:
VTT-MAP-HARNESS
Ships in 10 Business Days
ON SALE!
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$59.99
This product was last offered at the strikethrough price on 07-02-2026
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
