Expansion Tank to Top Radiator Hose for BMW 1 Series & BMW 4 Series Coupe - 400812

Vehicle Fitment & Part Details

The Expansion Tank to Top Radiator Hose is listed for the vehicle applications below. Confirm compatibility by matching the listed fitment details and any OEM reference numbers supplied. Verify VIN/engine.

Key Details

SKU

400812

Component

Expansion Tank to Top Radiator Hose

Primary Fitment

BMW 1 Series F20 (2011-2026)

Listing Highlights

• Listed for 27 applications shown in the fitment section.
• Use 400812 and the supplied fitment details for part identification.

Vehicle Fitment

This expansion tank to top radiator hose is listed for 27 applications across BMW. Use the full table below to confirm model, chassis, year range, engine and power before ordering.

Fitment Notes

• Always match vehicle details before ordering. Verify VIN/engine.

Compatibility Verification Notes

• Confirm compatibility using VIN, engine code, chassis / platform, OE reference and original part comparison before ordering.
• Match the supplied fitment details to your vehicle, including model, year range and any listed engine or chassis information.
• Fitment data may vary by production date, market, import history and engine variant.
• This listing is for part identification and compatibility checking only. Installation must be carried out according to the vehicle manufacturer's service information by a suitably qualified person.

Common Questions

Will this expansion tank to top radiator hose fit my BMW 1 Series F20?
This part (400812) is listed for the fitments shown on this page. Confirm by matching the fitment details. Verify VIN/engine.

How do I confirm fitment if there are multiple variants?
Compare the supplied fitment details, OE reference numbers, original part details and any listed variant information before ordering. ...