Wastegate Repair Kit – BMW N20 TD04 Turbo | 125i 320i 328i 520i 228i

BMW N20 engines with TD04 turbochargers develop wastegate wear — causing boost control faults, P0234/P0299 codes, boost fluctuation, and wastegate rattle. This steel repair kit rebuilds the wastegate mechanism, restoring correct boost control. BMW 1 Series F20/F21 125i, 2 Series F22 228i, 3 Series F30 320i/328i, 5 Series F10 520i/528i — with N20 2.0L turbo engine

Fits OEM #49477-02006.

When to Inspect This Part

• loss of boost or engine power
• underboost or overboost fault
• limp mode
• abnormal noise from the turbo actuator or linkage

What's Included

• Repair components supplied for this SKU and shown in the product photos; no complete surrounding assembly is included

OEM Part Numbers and Vehicle Fitment

Additional confirmed fitment

• BMW 1 Series F20
• BMW 1 Series F21
• BMW 3 Series F30
• BMW 3 Series F30 LCI
• BMW 3 Series F35
• BMW 3 Series F35 LCI
• BMW 5 Series F10
• BMW 5 Series F11
• BMW 5 Series F18
• BMW X1 E84
• BMW X3 F25
• BMW Z4 E89

Part Number / PN

49477-02006, 11657635803, 11657588938, 7588938, 7588938AI07, 7588938AI08, 7588938AI10, 7588938AI11, 7588938AI12, 7588938AI13, 7588938AI14, 11657630462, 11657634486, 11657635804, 11657642469, 49U7702003, 4947702001, 4947702002, 4947702003, 4947702004, 4947702005

Important Fitment Check

Before ordering, compare the part design, dimensions, connectors, and every available OEM/P/N marking with the part installed on the vehicle. Matching OEM/P/N 49477-02006 is the primary fitment check.

FAQ

How do I confirm fitment for this Wastegate Repair Kit?

Compare the exact OEM/P/N and physical design with the installed part. The primary reference is 49477-02006. Do not select the part by vehicle model alone.

What symptoms may indicate a problem with this Wastegate Repair Kit?

Confirmed symptoms include loss of boost or engine power, underboost or overboost fault, limp mode, abnormal noise from the turbo actuator or linkage. Diagnose the original assembly before ordering so another fault is not mistaken for this part.

What is included with this Wastegate Repair Kit?

The confirmed kit contents are: Repair components supplied for this SKU and shown in the product photos; no complete surrounding assembly is included.

Does this listing include the complete surrounding assembly?

No. It includes only the item or repair components identified for this SKU. Inspect related parts separately and replace them only when diagnosis confirms a fault.

What should be checked before installation?

Check the OEM/P/N, dimensions, connectors, orientation, and condition of the mating components. Installation should follow the correct service procedure for the specific vehicle and assembly.

• BMW

Returns and exchanges

Request a change-of-mind return within 14 calendar days of delivery, then send the goods within 14 calendar days of notifying us. Our voluntary return option applies to unused, uninstalled, complete goods in their original condition and packaging. Exchanges are subject to availability and agreement.

The customer pays change-of-mind return shipping. No restocking fee applies. Refunds and original delivery charges are handled under our Refund & Return Policy and applicable law.

Faulty, damaged or incorrect goods

Email contact-us@klifex.net with your order details and a description of the problem. These claims are separate from change-of-mind returns. Where we are responsible, we bear the required remedy and return costs. Installation alone does not remove mandatory defect rights.

Your legal rights

Applicable statutory rights take precedence, including EU/EEA and UK withdrawal rights and legal guarantees. Necessary inspection does not remove a statutory withdrawal right; deductions for excessive handling must reflect an actual, evidenced loss of value.

Contact us for the correct return address before shipping. Our legal address is not a return address.

Read the full Refund & Return Policy