Audi D4 A8 Quattro 3.0 TDI APR Software

APR can now remotely tune you car from anywhere in the world! Simply purchase the APR RTS Install Cable and setup a remote tuning session with APR or participating APR Dealer. Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Tuning must be performed by APR or a participating dealer. ECS Tuning does not offer the APR Remote Tuning Service at this time.

Brand:

ES#:

4727518

Mfg#:

EM100039

Wireless Controller with Blutooth Mobile connectivity Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:

ES#:

4624165

Mfg#:

EM100050

11% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$316.95

This product was last offered at the strikethrough price on
03-13-2026

$280.95 USD

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Lifetime Replacement

APR's ECU Upgrade is the best power per dollar modification for your common rail diesel out there Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:

ES#:

2862377

Mfg#:

30LSTG1CHIP1KT

$499.99 USD

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Lifetime Replacement

Ultimate ECU upgrade for 3.0TDI Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade must be performed at ECS Tuning's facility in Ohio.
30-60hp/30-90lb-ft. The 3.0 TDI ECU's can only be direct ported at this time, we cannot flash ecu without having the car at our facility.

Brand:

ES#:

2747954

Mfg#:

30TDICRPSFLKT

$749.00 USD

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Lifetime Replacement