Radiator BMW 3 G20 G21 8666811
SKU: 4DERGBK OEM: 8666811
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This is a used radiator designed for BMW 3 Series models G20 and G21. It is a crucial component for maintaining the engine's optimal operating temperature by dissipating heat from the coolant.
The OEM part number 8666811 is the definitive identifier for this component. Cross-referencing this number with your vehicle's existing part or a parts catalogue ensures compatibility, regardless of other markings.
Manufacturer: BMW OE; Catalogue Number: 8666811; Condition: Used
This part is used and its condition is visible in the provided photographs. Before ordering, please compare the OEM number and visually inspect your current radiator to ensure an exact match.
This item is available for international shipping from Poland (EU). The images displayed are of the actual part you will receive.
- ConditionUsed
- InvoiceVAT Invoice Issued
- Part ManufacturerBMW OE
- Part Number8666811
Get your used OEM auto parts delivered fast and pay with total security.
- Fast worldwide shipping on used car parts (2–7 days EU / 5–12 days international)
- Direct dispatch from supplier = faster delivery and optimized logistics
- Full tracking on every order for complete transparency
- 100% secure payments via Stripe (credit cards, PayPal, Apple Pay, Klarna & local methods)
- Payment is captured only after order confirmation
Before ordering:
- Shipping cost is calculated at checkout based on location and parcel size
- Customs duties may apply for non-EU deliveries
- Always check compatibility with your vehicle and OEM reference
More details:
Transparent conditions for used OEM car parts, designed to protect both buyer and product integrity.
- 30-day warranty covering functional defects on used auto parts
- Returns accepted only if the item is incorrect, defective, or not as described
- Refund or replacement issued after inspection and verification
Please keep in mind:
- All parts are used, vehicle-specific, and individually listed
- Normal cosmetic wear does not affect functionality and is not considered a defect
- Returns for incorrect orders or change of mind are not accepted
For full coverage and legal details, see Returns Policy and Terms and Conditions.
Yes. All AutoRiven parts are used original OEM parts. We do not sell aftermarket parts or replicas.
Compatibility should be verified using the OEM reference number. You can also contact us before purchasing with your VIN, make, model, engine, and year, and our team will assist you.
AutoRiven sells used OEM automotive parts only.
Product information is based on visual inspection, available technical data, photos, and supplier information at the time of listing. Due to the nature of used automotive parts, not all components can be fully functionally tested before shipment.
Yes. All parts include a 30-day commercial warranty from the date of delivery, covering functional defects only. This commercial warranty does not affect or replace the consumer’s statutory rights under EU conformity law.
Estimated delivery time is 2–10 business days depending on destination. Express shipping may be available on request and typically takes 24–72 hours.
We accept secure payments via Stripe Checkout, including credit and debit cards, PayPal, Apple Pay, Google Pay, Klarna, Revolut Pay, and other local methods depending on your country.
Returns are accepted only if the item is defective or damaged, an incorrect item was supplied, or the product does not match the description. Used automotive parts are vehicle-specific and individually identified items and are excluded from the 14-day right of withdrawal under EU Directive 2011/83/EU.
Some electronic components may require coding or programming by a qualified technician after installation.
Yes, we ship internationally. Any customs duties, import taxes, or local charges required by the destination country are the customer’s responsibility.
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