BMW S55 Left/LH Auxiliary Coolant Radiator | Nearside/Passenger Side Aux Water Cooler | F80 M3, F82 F83 M4, F87 M2 Competition | Side-Mounted Heat Exchanger | OEM Genuine 17112284603

BMW S55 LH Auxiliary Coolant Radiator for F80 M3, F82 F83 M4, F87 M2 Competition

Keep your S55-powered M car running cool with this factory original left-hand auxiliary coolant radiator. This genuine BMW additional water cooler is a direct-fit replacement that restores dependable temperature control on road, track days and spirited driving. If your side cooler is leaking, damaged or tired, this OE unit is the simple plug-and-play solution that fits correctly the first time and brings back stable coolant temps.

We use this part in-house and our customers consistently report excellent fitment, finish and reliability. It is the straightforward way to protect your S55 from heat soak and maintain OEM cooling performance.

Why choose this OEM left-hand side cooler

• Genuine BMW auxiliary water radiator for S55 twin-turbo engines
• Left-hand orientation for the side-mounted cooling pack
• Correct connectors, brackets and geometry for a true plug-and-play install
• Restores factory cooling efficiency and temperature stability
• Ideal as a like-for-like replacement for leaking or corroded side rads
• Trusted in our workshop with proven customer satisfaction
• OEM reference: 17112284603

What you receive

• 1 x Left-hand auxiliary coolant radiator

Vehicle fitment

• BMW M Series F87 M2 Competition LCI (09/2016 to 12/2019)
• BMW M Series F80 M3 (04/2012 to 06/2015)
• BMW M Series F80 M3 LCI (01/2015 to 10/2018)
• BMW M Series F82 M4 (02/2013 to 02/2017)
• BMW M Series F82 M4 LCI (05/2016 to 12/2019)
• BMW M Series F83 M4 (06/2013 to 02/2017)
• BMW M Series F83 M4 LCI (05/2016 to 12/2019)

Part number

17112284603

Compatibility check

We verify fitment before dispatch. Add your UK registration or the last 7 of your VIN at checkout so we can confirm this cooler suits your exact M2 Competition, M3 or M4.

Professional fitting

Installation available at MJ Modifications in Warwickshire. Request a fitting quote at info@mjmodifications.co.uk.

Manufactured by

BMW. Factory original component for OE quality, correct fit and lasting performance.

Warranty

Two years manufacturer warranty for UK customers and one year for international customers when a VIN is supplied at checkout on compatible vehicles.

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