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    CSF Racing All-Aluminum Radiator — BMW 135i, 335i, X1 & Z4 | N54/N55, Automatic, 2-Row 42mm | 7046

    Part Number: 7046
    Regular Price $639.00

    In Stock

    Not sure it fits your vehicle?
    Email sales@berryperformancesales.com with your year, make, model and engine, and we'll help you check fitment before you order.
    Fast Fulfillment: In-stock orders typically ship within 1 to 2 business days.
    Free Shipping on Orders Over $99 | Excludes freight shipments
    International Shipping Available: email sales@berryperformancesales.com for a quote.
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    The CSF Racing 7046 is an all-aluminum high-performance radiator for automatic-transmission BMW N54 and N55 turbo cars, including the 135i, 335i, E84 X1, and E89 Z4. It uses a 2-row 42mm dual core with CSF's B-Tube Technology and multi-louvered 6.5mm fins. It is a drop-in fit with CNC-machined quick-connect connections, an all-aluminum race-style drain plug, and a satin finish, and it accepts the OEM quick-connect hoses and fan shroud.

    • Type: all-aluminum performance radiator (automatic)
    • Core: 2-row, 42mm dual core, B-Tube Technology
    • Fins: multi-louvered, 6.5mm fin height
    • Engines: N54 / N55 turbo (3.0L L6; X1 and Z4 sDrive28i 2.0L)
    • Fittings: CNC-machined quick-connect, accepts OEM hoses
    • Drain: all-aluminum race-style drain plug
    • Finish: satin
    • Part number: 7046

    Vehicle Applications

    Direct fit on the following (automatic transmission):

    • 2008 BMW 135i (E82/E88)
    • 2009 BMW 135i (E82/E88)
    • 2010 BMW 135i (E82/E88)
    • 2011 BMW 135i (E82/E88)
    • 2012 BMW 135i (E82/E88)
    • 2013 BMW 135i (E82/E88)
    • 2013 BMW 135is (E82/E88)
    • 2007 BMW 335i (E9X)
    • 2008 BMW 335i (E9X)
    • 2009 BMW 335i (E9X)
    • 2010 BMW 335i (E9X)
    • 2011 BMW 335i (E9X)
    • 2012 BMW 335i (E9X)
    • 2013 BMW 335i (E9X)
    • 2013 BMW X1 xDrive (E84)
    • 2014 BMW X1 xDrive (E84)
    • 2015 BMW X1 xDrive (E84)
    • 2012 BMW Z4 sDrive28i (E89)
    • 2013 BMW Z4 sDrive28i (E89)
    • 2014 BMW Z4 sDrive28i (E89)
    • 2015 BMW Z4 sDrive28i (E89)
    • 2016 BMW Z4 sDrive28i (E89)
    • 2009 BMW Z4 sDrive35i (E89)
    • 2010 BMW Z4 sDrive35i (E89)
    • 2011 BMW Z4 sDrive35i (E89)
    • 2012 BMW Z4 sDrive35i (E89)
    • 2013 BMW Z4 sDrive35i (E89)
    • 2014 BMW Z4 sDrive35i (E89)
    • 2015 BMW Z4 sDrive35i (E89)
    • 2016 BMW Z4 sDrive35i (E89)

    FAQ

    What vehicles does the CSF Racing 7046 fit?

    Automatic-transmission BMW 135i and 135is (2008-2013), 335i E9X (2007-2013), E84 X1 (2013-2015), and E89 Z4 sDrive28i and sDrive35i (2009-2016).

    Is this the manual or automatic version?

    This is the automatic-transmission version. The manual version is CSF 7045.

    Does it fit an X1?

    Yes. It fits the E84 X1 (2013-2015) with automatic transmission.

    How many rows is the core?

    A 2-row 42mm dual core with CSF's B-Tube Technology.

    Shipping Policy
    • Free shipping on orders over $99 (excludes freight shipments).
    • In-stock orders typically ship within 1 to 2 business days. Weekend and holiday orders are processed the next business day.
    • Orders ship from Defiance, Ohio and a nationwide network of warehouses and manufacturers.
    • Items showing an ETA are not in stock yet. ETAs come from the manufacturer and can change.
    • No P.O. Boxes. International orders need a shipping quote, so email us first.

    Read the full Shipping Policy

    Return Policy
    • 30-day return window from the ship date. Returns must be approved first; email sales@berryperformancesales.com with your order number.
    • Items must be unused, complete and in the original packaging.
    • A 20% restocking fee applies, and return shipping is paid by the buyer.
    • Not returnable: installed or modified parts, opened or used programmers and tuners, custom orders, Open Box, and Clearance or Final Sale items.
    • Damaged, defective or incorrect items must be reported within 48 hours of delivery with photos.

    Read the full Return Policy

    Disclaimer

    All products are sold for off-road use only unless otherwise specified. Buyer assumes all responsibility for installation and operation. Seller is not liable for any incidental, indirect, or consequential damages — including engine failure, labor costs, or vehicle downtime — resulting from the use of any product sold.

    By making a purchase from Berry Performance Sales, you acknowledge and agree to abide by the terms and conditions of these Policies.

    For any questions or concerns, please contact us — we’re always happy to help.

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