Seat Leon Cupra R AUDI S3 TT 1.8T BorgWarner K04 53049700023 06A145704Q K04-23 | Best Turbos - Turbochargers reconditioning and fitting.

There are two ways to do an exchange. You can send your old turbocharger first. We will dispatch your reconditioned turbocharger as soon as we receive an old unit. If you would like to receive turbocharger before returning your old unit then we must collect a fully refundable surcharge for EACH turbocharger. As soon as we receive an old unit we will fully refund your deposit. We collect surcharges via PayPal.


This turbocharger is build on genuine original parts.

Fully balanced and tested.



This turbocharger will fit following vehicles:

  • Audi S3 1.8 T
  • Audi TT 1.8 T (8N)
  • Seat Leon 1.8 T Cupra R

Engine: BAM / BAM BFV
Capacity: 1781 ccm
Power: 165 Kw

Part Number/s

  • 5304 988 0023
  • 5304 970 0023

Comparison Number/s

  • 06A145704Q
  • 06A145704QX
  • 06A145704QV

Every turbocharger reconditioned by us is balanced on professional equipment under eye of experienced engineer.

Correctly done balancing ensure best performance and prevent premature damages. Also every turbocharger before fitment or dispatch is tested for correct actuator and VNT (if turbo has it) work.

Thanks to many years of experience we are extremely confident with our products and we’re happy to cover them with 2 years warranty!

Additional information

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