Does not include hardware
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 Does NOT include hardware or the RS4/modified intake pipes necessary for a complete install - For a bolt-on solution, please see 034Motorsport's inlet pipe kit 034-145-P002 (ES2864575).
Does not include hardware
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 Does NOT include hardware or the RS4/modified intake pipes necessary for a complete install - For a bolt-on solution, please see 034Motorsport's inlet pipe kit 034-145-P002 (ES2864575).
Brand:
ES#:
4140513
Mfg#:
53049880026
In Stock
$1541.99
This product was last offered at the strikethrough price on 07-01-2026
Great bolt on performance upgrade, can be used with or without specific programming
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#:
1844006
Mfg#:
06A145705HP
Ships in 1-2 days
$2283.99
This product was last offered at the strikethrough price on 05-11-2026
A great solution for the DIY builder, does not include software or plumbing
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 This K04 Turbocharger will require diverter valve relocation
Brand:
ES#:
263849
Mfg#:
06F145702C
Ships in 3 Business Days
$2069.99
This product was last offered at the strikethrough price on 08-23-2026
Includes all gaskets and hardware needed to install your K04
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#:
5816
Mfg#:
06A198704BKO4
Ships in 1-2 days
ON SALE!
SAVE 12%
$2349.85
This product was last offered at the strikethrough price on 05-11-2026
Comprehensive kit includes the left & right side RS4 K04 turbochargers, 034Motorsport RS4 Inlet Pipe set, and associated installation 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 *2003 and 2004 A6 and Allroad 2.7T's with automatic transmissions have a different downpipe design, and some modification is required for installation.*
Brand:
ES#:
3658989
Mfg#:
53049880025/26KT
Back Ordered
$3718.00
This product was last offered at the strikethrough price on 06-19-2026
$3715.00 USD
Free Shipping
Lifetime Replacement
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Great bolt on performance upgrade that can be used with or without specific programming
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
Includes the left (K04-025) & right (K04-026) side turbochargers with associated installation 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 Does NOT include the RS4 or modified intake pipes necessary for a complete install - For a bolt-on solution, please see 034Motorsport's inlet pipe kit 034-145-P002 (ES2864575).
Brand:
ES#:
3247798
Mfg#:
5304988002526KT
Ships in 1 Business Day
$3214.00
This product was last offered at the strikethrough price on 06-19-2026
Includes the left (K04-025) & right (K04-026) side turbochargers
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 Does NOT include hardware or the RS4/modified intake pipes necessary for a complete install - For a bolt-on solution, please see 034Motorsport's inlet pipe kit 034-145-P002 (ES2864575).
Brand:
ES#:
4164822
Mfg#:
5304988002526KT3
In Stock
$3070.99
This product was last offered at the strikethrough price on 07-02-2026
Based on a BorgWarner K04-064 frame
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
Great bolt on performance upgrade that can be used with or without specific programming
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#:
3365
Mfg#:
058145703KO4WGKT
Back Ordered
$1938.99
This product was last offered at the strikethrough price on 08-25-2026
A great solution for the DIY builder, does not include software or plumbing
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 Modifications necessary for proper fitment. Please see description.
Brand:
ES#:
4040560
Mfg#:
06F145702C1KT
Ships in 3 Business Days
ON SALE!
SAVE 12%
$1935.99
This product was last offered at the strikethrough price on 09-25-2026
Upgrade your transverse 1.8T with this complete K04 turbocharger and Ajusa sealing hardware bundle.
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
Upgrade your transverse 2.0T TSI engine with this BorgWarner K04 turbocharger and D&W sealing hardware bundle.
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
Transform your 2.7-liter Bi-Turbo into a high-horsepower powerhouse with this complete BorgWarner K04 upgrade bundle.
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 RS4/modified intake pipes necessary for a complete install - For a bolt-on solution, please see 034Motorsport's inlet pipe kit 034-145-P002 (ES2864575).
A great solution for the DIY builder, does not include software or plumbing
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 This K04 Turbocharger will require diverter valve relocation
Brand:
ES#:
2506667
Mfg#:
06F145702C
Ships in 4 Business Days
6% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$2453.99
This product was last offered at the strikethrough price on 10-26-2026
Lifetime Replacement
