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BMW

Genuine BMW B58 Heat Exchanger Pipe - F22/F32/F36 (M240i/M240i xDrive, 440i/440i xDrive) and F30 LCI (340i/340i xDrive) - OEM Radiator Coolant Line - Part 17128674162

Genuine BMW B58 Heat Exchanger Pipe - F22/F32/F36 (M240i/M240i xDrive, 440i/440i xDrive) and F30 LCI (340i/340i xDrive) - OEM Radiator Coolant Line - Part 17128674162

£66.02
£68.00 £66.02
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Heads-up on cancellations & returns: if you cancel an order or return an item, you won't get back 100% of what you paid. We apply a 10% restocking fee, the outbound shipping is non-refundable, and we have to pass on Shopify / PayPal payment processing fees; these aren't returned to us when we refund you. International orders also lose on exchange-rate spread in both directions. If the original packaging is damaged or missing, a reboxing charge applies. For international orders specifically, if you refuse to pay our shipping invoice or supply a prepaid label after placing the order, the same deductions apply. We're upfront about this — please be sure of your purchase before ordering.

BMW B58 Radiator Water Line for F22 F30 LCI F32 F36, M240i 340i 440i, xDrive variants — OE No. 17128674162

Restore rock‑solid cooling performance on your B58 straight‑six with this factory BMW radiator water line. Engineered to BMW specifications and supplied as original equipment, this hard‑to‑find cooling tube replaces ageing, brittle or leaking plumbing in the radiator circuit on M240i, 340i and 440i models, including xDrive. Expect exact fitment, proper sealing and long‑term reliability from the correct OE component, part number 17128674162.

  • BMW original equipment for precise fit and finish
  • Maintains stable temperatures and correct flow in the B58 thermal management system
  • Helps prevent overheating and limp‑home scenarios caused by cracked or perished lines
  • Direct swap with the original water tube, no modifications or coding required
  • Durable construction for daily use, spirited driving and tuned applications

We have installed this line on our own B58 cars and for many customers in the workshop with consistently excellent results. Feedback highlights a straightforward installation and instant peace of mind from using the correct BMW part.

Vehicle applications

Fits B58‑equipped BMW models listed below. If you are unsure, ask us to confirm fitment before ordering.

  • 2 Series
    • F22, 10/2012 to 06/2016, M240i and M240i xDrive
    • F22 LCI, 11/2016 to 11/2019, M240i and M240i xDrive
  • 3 Series
    • F30 LCI, 10/2014 to 10/2018, 340i and 340i xDrive
  • 4 Series
    • F32, 09/2015 to 02/2017, 440i and 440i xDrive
    • F32 LCI, 07/2016 to 12/2019, 440i and 440i xDrive
    • F36 Gran Coupé, 10/2015 to 02/2017, 440i and 440i xDrive

Part number

BMW OE reference: 17128674162

Compatibility check

We will verify compatibility prior to dispatch. Please add your UK registration or the last 7 digits of your VIN at checkout and we will confirm this water line suits your car.

Professional fitting

Prefer expert installation? Book with MJ Modifications in Warwickshire. Request a fitting quote at info@mjmodifications.co.uk.

Manufacturer

BMW Original Equipment

Warranty

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

Search terms customers use

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