Genuine BMW S55 Left Auxiliary Radiator - M2 Competition, M3 & M4 - 17112284603
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Description
Genuine BMW left auxiliary coolant radiator for S55-powered M2 Competition, M3 and M4 models. BMW part number 17112284603 replaces the original auxiliary radiator on the left-hand side of the vehicle, serving the engine coolant circuit.
Left-hand radiator identification
Left and right refer to the sides of the vehicle when facing forwards from inside it. The opposite-side auxiliary radiator uses a different BMW part number, 17112284604. Check the side and part reference before ordering; this listing supplies one left radiator.
Vehicle compatibility
- BMW M2 Competition F87 with S55 engine
- BMW M3 F80 with S55 engine
- BMW M4 F82 Coupé with S55 engine
- BMW M4 F83 Convertible with S55 engine
Enter your VIN or vehicle registration before ordering so we can confirm the part number against your vehicle.
What is included?
One Genuine BMW left auxiliary radiator, part number 17112284603. The right radiator, hoses, coolant and separate mounting parts are not included.
The product image is a BMW parts illustration and may show associated components. This listing supplies one left auxiliary radiator only.
Fitting notes
Professional installation is recommended. Check the surrounding hoses and mounts during replacement and refill and bleed the relevant cooling circuit following the BMW procedure.
Related Genuine BMW parts
- Genuine BMW right auxiliary radiator 17112284604
- Genuine BMW main engine radiator 17112284607
- Genuine BMW front chargecooler radiator 17112284608
Browse BMW M2 Competition F87 parts, BMW M3 F80 parts, BMW M4 F82/F83 parts or our Genuine BMW parts range.
More information
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Warranty, Shipping and Returns
Products are supplied with the applicable manufacturer warranty. We offer UK and worldwide shipping. Please refer to the live availability information and our shipping and returns policies before ordering. Contact us if you need to confirm compatibility, intended use or any product-specific conditions.
Finance Options
Available payment options and current terms are shown at checkout. Instalment options depend on the provider and eligibility. Please review the terms displayed before confirming your payment.
Why buy Genuine BMW?
Why buy Genuine BMW?
Why buy from us?
Why buy from us?
100% Genuine
100% Genuine
All of our BMW parts are 100% genuine, with no imitations or aftermarket alternatives. Check the listed part number and vehicle specification to confirm the correct fitment before ordering.
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Secure Payments
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Specifications
- Brand
- GENUINE BMW
- Product type
- Radiators
- SKU:
- 17112284603
- Vehicle make
- BMW
- Vehicle model
- M2, M3, and M4
- Vehicle variant
- F87C, F80, F82, and F83
Ready for Dispatch
You’ll earn 299 Laps
For 1 item, including VAT but excluding delivery.
How it works
Sign in before ordering. Earn 1 Lap for every whole £1 of eligible product spend, including VAT.
Delivery, gift cards, sale-priced or discounted items and trade purchases do not earn Laps.
Purchase Laps become available 30 days after payment. Returns and refunds remove Laps earned on refunded items; pending Laps are cancelled.
This estimate follows your selected option and quantity. Checkout discounts can change eligibility. Bundle prices count once. Appstle records the final award after payment.
Sign in, open Spend Laps and choose an available reward. Redeem your Laps, copy your unique discount code and enter it at checkout using the same customer account.
Your tier makes your Laps go further: 1,000 Laps are worth £10 at Rookie, £12.50 at Contender, £20 at Pro or £25 at Champion. Choose £5 off £100, £10 off £200, £25 off £500 or £50 off £1,000 of eligible products.
Minimum spends include VAT and exclude delivery and ineligible products. Use one reward or discount code per order; it cannot be combined with any other product, order or shipping discount. Rewards apply only to eligible products and variants shown in your rewards profile. Returns and refunds remove the Laps earned on refunded items; pending Laps are cancelled. Spending Laps does not reduce your qualifying lifetime spend. Laps and standard reward codes do not expire.
Need help?
Genuine BMW FAQs
Helpful answers before you order. Need more detail? Our team can help.
How do I confirm this part fits my vehicle?
Check the model, year, engine, chassis and any exclusions in the product description. Select the required option before adding to your basket. The vehicle selector helps narrow your search; contact us if your car has different factory options or existing modifications.
Does this include everything for the service?
Check the listed quantities and included components. Service requirements vary by engine and scheduled work. Contact us with your vehicle details and planned job if you need help identifying the required parts.
When will my order arrive?
Select your required option and check the live availability message above. Dispatch is when your order leaves us; delivery takes additional time and depends on the service and destination. If no verified lead time is shown, or you need the item for a fitting appointment or event, contact Nineteen72 Performance before ordering.
What is included in the price?
Check the product description, selected option and stated quantity before ordering. Images may show optional equipment or an example installation. If you need a matching pair, a complete kit or additional hardware, ask us to confirm exactly what is included.
How do I get help before ordering?
Contact Nineteen72 Performance with a link to this product and your question. For vehicle-specific parts, include your model, year, engine and any modifications that may affect compatibility.
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