- 🚚Shipped from a European warehouse
- 💶Final price — no customs or import fees within the EU
- ⚡Fast delivery: usually 2–5 business days (depending on the country)
- 🔎Tracking after dispatch
- ↩️14-day returns (EU law)
- 🛡️24-month seller liability
- 💬Support before and after purchase
- ✅ Verified offer — matches the description
- 🧾Clear description and photos
- 🧩Easy variant selection
- 📦Secure packaging
- ⭐Good “for now” choice
K04 turbocharger for Audi RS6 C5 4.2 BCY Biturbo
The new MXR K04 turbocharger with journal bearing is designed for select versions of the Audi RS6 (C5) with the 4.2 BCY Biturbo engine. This product is suitable for use on the right side of the vehicle.
Application
- Audi RS6 (C5) 4.2 BCY Biturbo, 450 HP, 2002–2004, right side.
- Audi RS6 plus (C5) 4.2 BCY Biturbo, 480 HP, year 2004, right side.
Technical data
- Turbine model: K04
- Bearing type: Journal Bearing, plain bearing
- Condition: new
- Mounting side by application: laws
Identification numbers
Part number: 53049880029 and alternative notation 5304-988-0029. Related Part Number: 53049700029 and alternative notation 5304-970-0029.
Confirmed OEM/OE numbers
- 53049880029
- 53049700029
- 077145704K
- 077145704KX
- 077145704KV
- 077145704
Before purchasing, compare the number with the nameplate located on the compressor housing. If in doubt, the number can be verified by a mechanic.
Helpful information before purchasing
This offer applies to the K04 turbocharger with plain bearing for the right side of the Audi RS6 (C5) 4.2 BCY Biturbo and Audi RS6 plus (C5) 4.2 BCY Biturbo. Before ordering, compare the part number on the nameplate on the compressor housing.
The most important information
- Turbine model: K04.
- Bearing type: Journal Bearing, i.e. plain bearing.
- Applicable models include the Audi RS6 (C5) 450 HP from 2002–2004 and the Audi RS6 plus (C5) 480 HP from 2004.
- The product is intended for the right side of the vehicle.
- Professional installation is recommended; instructions not included.
Contents of the set
The kit includes the exact items shown in the offer photo. Please verify the exact scope of delivery before purchasing.
Frequently asked questions
How do I check if a part fits?
Compare the number on the nameplate on the compressor housing with the numbers provided in the offer, in particular 53049880029. If in doubt, consult the selection with a mechanic.
Is the product ready for assembly?
The source recommends professional installation. Instructions are not included, so assembly instructions and parts preparation should be discussed with a mechanic.
Does the offer include a complete set?
The source does not specify the set's components. The contents include exactly what is shown in the listing photo.
Why is it worth buying from Multigenus?
- Ships from European warehouse for selected offers
- Final price within the EU, excluding customs and import surcharges
- 14 days to return in accordance with EU law
- Pre- and post-purchase support
- The product is described in a way that makes it easier to choose the right variant