- 🚚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
Turbocharger for BMW N20 engines
This turbocharger is designed for selected BMW models with the N20 engine, including the 125i, 220i, 228i, 320i, 328i, 420i, 428i, 520i, 528i, X1, X3, and X4. The source title also includes the X5 and Z4 models, so please confirm fitment based on the part number and your specific car's specifications before purchasing.
Before installation, the source recommends changing the oil and cleaning the system lines. Contaminants in the oil can damage the turbine during high-speed operation. Professional installation is recommended.
Part Numbers and Fitment
Confirmed OEM/OE numbers:
- 11657630462
- 11657634486
- 11658635804
- 11657642469
- 11657624535
Additional reference code to help with your search: 11657635804. Before purchasing, please compare the number on the installed part and the illustrations with the offer.
Symptoms of a possible turbocharger failure
- oil leak,
- smoke from the exhaust system,
- low boost pressure,
- engine emergency mode,
- increased oil consumption,
- play on the turbine shaft resulting from bearing wear.
Helpful information before purchasing
This turbocharger is for selected BMW models with the N20 engine. The model list is indicative only, so the most reliable way to verify is to compare the part number with one of the confirmed OEM/OE numbers and verify its application for a specific vehicle.
The most important information
- Source application includes selected BMW 125i, 220i, 228i, 320i, 328i, 420i, 428i, 520i, 528i, X1, X3 and X4 with N20 engine.
- Confirmed OEM/OE numbers: 11657630462, 11657634486, 11658635804, 11657642469 and 11657624535.
- Before installation, it is recommended to change the oil and clean the system lines.
- The source recommends professional installation.
Contents of the set
The source does not provide detailed information on the kit's contents. Before purchasing, please verify the items included in the offer.
Frequently asked questions
How do I check if a part fits?
Compare the part number on your existing turbocharger with numbers 11657630462, 11657634486, 11658635804, 11657642469, or 11657624535. Also check the model, N20 engine, and product images. The model list itself is indicative.
Is the product ready for assembly?
The source does not confirm the detailed product configuration or the scope of installation components. Installation should be performed professionally, after an oil change and cleaning of the system lines.
Does the offer include a complete set?
The source does not specify the contents of the set in detail, so the scope of the set should be verified before purchase.
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