Up To 25% off Audi B5 A4 1.8T ECS Essentials
It all starts with the essentials - Do it right, or do it twice.
ECS Essentials are a special blend of upgrades designed to fine tune, enhance appearance, or improve the performance of your Audi. From interior to exterior here is a list of our hottest products to help you achieve the next level.
Build it faster, build it stronger, build it with ECS.
Performance in Mind
Fits:
Audi B5 A4 1.8T 1996-2001
Front & Rear Exact-Fit Stainless Steel Brake Lines - Kit
Complete set of DOT-compliant lines for an improved pedal feel
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#:
1162
Mfg#:
B5QSSBLK
Mid Exact-Fit Stainless Steel Brake Lines
Mid set of DOT-compliant lines for an improved pedal feel
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#:
3450991
Mfg#:
024677ECS01
Rear Exact-Fit Stainless Steel Brake Lines
Rear set of DOT-compliant lines for an improved pedal feel
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#:
8828
Mfg#:
ECS41010KT
Rear Exact-Fit Stainless Steel Brake Lines - Four Piece
Mid & Rear set of DOT-compliant lines for an improved pedal feel
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#:
538
Mfg#:
B5S4SSBLK-REAR
Front V5 Drilled & Slotted Brake Rotors - Set (288x25)
Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection.
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#:
4668385
Mfg#:
4A0615301D-XS
Front V5 Slotted Brake Rotors - Set (288x25)
Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection.
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#:
4668386
Mfg#:
4A0615301D-S
RA4 240mm Clutch Conversion Kit - Stage 1
ECS RA4 Lightweight Flywheel with the Audi S4 clutch kit
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#:
5485
Mfg#:
RA4S1-STEEL
RA4 240mm Clutch Conversion Kit - Stage 2
ECS RA4 Lightweight Flywheel with the Audi RS4 clutch kit
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#:
5486
Mfg#:
RA4S2-STEEL
RA4 240mm Clutch Conversion Kit - Stage 3
ECS RA4 Lightweight Flywheel with the Clutch Masters Stage 3 clutch kit
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#:
5487
Mfg#:
RA4S3-STEEL
RA4 Single Mass Flywheel Kit
Engineered to convert your 1.8T clutch to the much more durable S4 clutch
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#:
12084
Mfg#:
ECS212321B5KT
Magnetic Drain/Fill Plug - Priced Each
Capture harmful particles to prevent wear. M22x1.5
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#:
2538104
Mfg#:
000857ECS01A
Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.
Availability:
Ships in 10 Business Days
Ships in 10 Business Days
Performance Rear Differential Mount - Audi B5 A4/S4
Increase drivetrain rigidity and response!
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#:
2730494
Mfg#:
003248ECS01A
M24x1.5mm Magnetic Drain/Fill Plug - Each
Capture harmful particles to prevent wear. M24x1.5
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#:
3660327
Mfg#:
000920ECS01
Performance Snub Mount
Reduce driveline lash with a full polyurethane mount
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#:
2597997
Mfg#:
001578ECS01A
Coil Pack Hold Down Kit - Black
A creative & attractive solution for your coil pack "popping" problem
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#:
260956
Mfg#:
ECS42725KT-A
Coil Pack Hold Down Kit - Red
A creative & attractive solution for your coil pack "popping" problem
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#:
1303016
Mfg#:
ECS42725KT-ARED
Coil Pack Hold Down Kit - Silver
A creative & attractive solution for your coil pack "popping" problem
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#:
1303018
Mfg#:
ECS4275KT-ASLV
Fuel Pressure Gauge Kit
Great for custom tuning and easily installs on the pressure line
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#:
5701
Mfg#:
000198500BLK-A
Adjustable Fuel Pressure Regulator
Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 25psi - 75psi
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#:
5271
Mfg#:
001564ECS01
Adjustable Fuel Pressure Regulator & Gauge Kit
Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 25psi - 75psi
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#:
5705
Mfg#:
000198501BLK
2.0T Coil Pack Conversion Kit - Stage 1
Includes wrinkle black conversion plate -w- red 2.0T coils
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
Fits ATW & AWM engine code models only
Fits ATW & AWM engine code models only
Brand:
ES#:
2713391
Mfg#:
002598ECS01KT
2.0T Coil Pack Conversion Kit - Stage 1
Includes wrinkle black conversion plate -w- black 2.0T coils
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
Fits ATW & AWM engine code models only
Fits ATW & AWM engine code models only
Brand:
ES#:
2713396
Mfg#:
002598ECS05KT
2.0T Coil Pack Conversion Kit - Stage 1
Includes anodized black conversion plate -w- red 2.0T coils
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
Fits ATW & AWM engine code models only
Fits ATW & AWM engine code models only
Brand:
ES#:
2713399
Mfg#:
002598ECS09KT
2.0T Coil Pack Conversion Kit - Stage 1
Includes anodized black conversion plate -w- black 2.0T coils
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
Fits ATW & AWM engine code models only
Fits ATW & AWM engine code models only
Brand:
ES#:
2713400
Mfg#:
002598ECS13KT
2.0T Coil Pack Conversion Kit - Stage 1
Includes wrinkle red conversion plate -w- red 2.0T coils
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
Fits ATW & AWM engine code models only
Fits ATW & AWM engine code models only
Brand:
ES#:
2713404
Mfg#:
002598ECS17KT
2.0T Coil Pack Conversion Kit - Stage 1
Includes wrinkle red conversion plate -w- black 2.0T coils
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
Fits ATW & AWM engine code models only
Fits ATW & AWM engine code models only
Brand:
ES#:
2713415
Mfg#:
002598ECS21KT
2.0T Coil Pack Conversion Kit - Stage 1
Includes wrinkle red conversion plate and stainless still hardware
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#:
2731572
Mfg#:
002598ECS25KT
2.0T Coil Pack Conversion Kit - Stage 1
Includes wrinkle black conversion plate and stainless steel hardware
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#:
2731573
Mfg#:
002598ECS26KT
2.0T Coil Pack Conversion Kit - Stage 1
Includes anodized black conversion plate and stainless steel hardware
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#:
2731575
Mfg#:
002598ECS27KT