N54 N55 N20 Direct-fit OE replacement design restores proper oxygen sensor function and engine air/fuel mixture
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!
Fuel control and emissions control 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
Brand:
ES#:
4465193
Mfg#:
11788611294
Ships in 2 Business Days
$142.99
This product was last offered at the strikethrough price on 05-07-2026
Powers the telemetrics control unit.
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#:
2683703
Mfg#:
84109297787
In Stock
6% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$52.99
This product was last offered at the strikethrough price on 07-06-2026
Replaces relays of the same color
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#:
4940142
Mfg#:
61368373700
In Stock
ON SALE!
SAVE 15%
$18.99
This product was last offered at the strikethrough price on 09-16-2026
Includes connector housing with terminals and seals. Commonly used for the pencil-style ignition coil connector.
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#:
4772596
Mfg#:
12527519996
In Stock
ON SALE!
SAVE 25%
$10.99
This product was last offered at the strikethrough price on 06-13-2026
A high-quality replacement designed to restore the factory performance and fuel efficiency of your 3.0L N54 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
Beautiful carbon fiber engine cover and a set of 6 performance ignition coils to refresh the performance of your N55.
Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! 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#:
4751381
Mfg#:
023741TMS04EBKT
In Stock
ON SALE!
SAVE 14%
$578.99
This product was last offered at the strikethrough price on 05-05-2026
Remove the throttle lag and get more instant response.
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#:
4940052
Mfg#:
77-20007
In Stock
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$335.00
This product was last offered at the strikethrough price on 10-19-2026
Keep your motor running smoothly with a set of new 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
Replacement unit for a non-serviceable relay and fuse panel that operates between your DME and the ignition system.
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#:
3015850
Mfg#:
12638638551
Ships in 1 day
2% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$166.99
This product was last offered at the strikethrough price on 10-26-2026
Includes connector housing with terminals and seals. Commonly used for the coolant level sensor.
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#:
4772597
Mfg#:
61132359999
In Stock
ON SALE!
SAVE 25%
$10.99
This product was last offered at the strikethrough price on 06-13-2026
The ultimate BMW ignition coil upgrade! Designed to mount to aftermarket intake manifolds (see full description for additional info)
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 an aftermarket intake manifold
Fuel pump with filter and built in level sensor.
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#:
4818564
Mfg#:
16117344066
In Stock
ON SALE!
SAVE 15%
$275.99
This product was last offered at the strikethrough price on 09-16-2026
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
