BMW Cooling System Parts & Accessories for BMW Z Series E85/6 (2003-2008)

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The cooling system is arguably the weakest point in numerous BMWs. If you drive an aging BMW or plan on taking your car to the track like we do, we recommend beefing up your cooling system before going to the track. Generally, the main components in your cooling system that are prone to failure include the following: expansion tank, factory hoses, water pump, thermostat, fan (especially if your vehicle comes factory with a clutch fan), and radiator. Factory BMW expansion tanks are plastic and prone to either breaking off at connection points or combusting. As factory rubber hoses age they either crack or break over time - we offer silicone cooling hose upgrades for most applications to avoid future failures. If you have an older vehicle, your water pump likely comes from the factory with a plastic impeller - we offer upgraded water pumps with metal impellers that are far more reliable. Newer model BMWs utilize electric water pumps - BMW spent millions of dollars engineering these water pumps, but they fail so often that we recommend replacing at 60,000 mile service intervals to avoid being stranded on the side of the road. In terms of thermostats, we offer various upgraded thermostats for racing applications. If your BMW utilizes a clutch fan from the factory, we have several options available in terms of universal electric fans - we recommend replacing these to avoid sending brittle plastic fan blades through your hood. For radiators, we recommend swapping out your radiator for one that does not use plastic connection points like your factory radiator.

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Water Pump And Thermostat Kit - BMW N52 3.0L
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T#:17073598
Part#: 11537549476KT
In Stock
Sale - Save 25% $ 424.99

This product was last offered at the strikethrough price on
05-03-2026

$ 318.58 USD
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Sale - Save 25%
$ 424.99

This product was last offered at the strikethrough price on
05-03-2026

$ 318.58 USD
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Includes everything you may need to replace your water pump and thermostat.
Water Pump And Thermostat Kit
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T#:5376274
Part#: 11517586925TKT
In Stock
Sale - Save 25% $ 448.99

This product was last offered at the strikethrough price on
05-03-2026

$ 336.28 USD
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Sale - Save 25%
$ 448.99

This product was last offered at the strikethrough price on
05-03-2026

$ 336.28 USD
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Everything you need to replace your water pump and thermostat. The water pumps in these BMW models are known for failure near 80,000 miles is a very common issue often times leaving the owner stranded. The aftermarket kit offered provides a single stop for water pump and thermostat replacement needs to save the search and get you back on the road. Kit includes: Mahle-Behr thermostat Water pump Genuine BMW coolant thermostat to water pump hose Mounting hardware required for both the thermostat and water pump
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Complete Cooling System Overhaul Package - 2003-4/2004 Z4 2.5 3.0 ...
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Packaged by Turner - Corporate Logo
T#:339100
Part#: TMS224320
In Stock
Sale - Save 11% $ 508.99

This product was last offered at the strikethrough price on
12-23-2025

Starting at $ 451.24 USD
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Sale - Save 11%
$ 508.99

This product was last offered at the strikethrough price on
12-23-2025

Starting at $ 451.24 USD
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This is a customizable cooling system overhaul kit, which starts off with the basic radiator and water pump and can be configured to replace all the M54 common cooling system failure parts in one package. This cooling system package is for the 2003-2005 Z4 Roadster.

The Z4 cooling system is much like that of the sister 3 series. Several of the primary cooling components are prone to failure within 60k miles (or less in many cases). A failure in the cooling system can lead to overheating and catastrophic engine failure. Don't gamble your engine! By replacing these core items preventatively, such as the radiator & waterpump, you are defusing what could be a ticking cooling system time bomb. And if you've had a failure of one of these parts, now is the time to refresh your cooling system. Available with our kit is an OEM Behr radiator, an Original BMW water pump (with updated composite impeller), thermostat (complete with housing), radiator cap, new hoses, and other essential cooling parts.

Optional items (which can be added below):
  • Radiator cap
  • Major cooling hoses
  • Original BMW antifreeze
  • Upgrade the water pump to a Stewart EMP High Performance pump
  • Add a new coolant expansion tank (known for cracking)
  • Include a new coolant level sensor (known for failing / throwing "check coolant" messages)
  • Include a new coolant temp sensor (located in the lower radiator hose) (re-using the old sensor and seal may lead to a leak)
  • Add a new thermostat for an automatic transmission (located with the expansion tank).
    This cooling system overhaul kit fits the following BMWs:
    2003-2005 E85 BMW Z4 2.5i Z4 3.0i

    Please put a check in the boxes next to the items you wish to order.
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    Thermostat Replacement Kit - E39 E46 E60 E53 Z3 Z4 With M54, M52TU En...
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    Packaged by Turner - Corporate Logo
    T#:554073
    Part#: 11537509227KT3
    Ships on Nov 24, 2026
    $ 98.99 USD
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    $ 98.99 USD
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    When it comes time to replace your thermostat, be sure you have everything you need. This kit includes everything you need to replace your thermostat, including the thermostat.

    Kit includes:

    • Mahle-Behr thermostat with gasket
    • Thermostat mounting hardware
    • 1 liter of coolant

    Applications:
    1999-2003 E39 528i, 525i, 530i sedan, touring wagon (M52TU engine, M54 engine)
    1999-2005 E46 323, 328, 325, 330 sedan, coupe, cabrio, touring wagon (M52TU engine, M54 engine)
    2004-2005 E60 525i, 530i sedan, touring wagon (M54 engine)
    2001-2006 E53 X5 3.0 (M54 engine)
    2004-2006 E83 X3 2.5i X3 3.0i (M54 engine)
    1999-2002 Z3 2.3. Z3 2.5i, 2.8 Z3 3.0i (M54 engine)
    2003-2005 Z4 2.5i, Z4 3.0 (M54 engine)

     

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    Water Pump and Thermostat Package - N51/N52 Engine - E82 128i, E9X 32...
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    Packaged by Turner - Corporate Logo
    T#:42873693
    Part#: TMS206099GKT
    In Stock
    $ 726.44 USD
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    Our water pump/thermostat overhaul includes:

    • Electric Water Pump
    • Aluminum mounting screws for water pump
    • Thermostat
    • Connecting hose from thermostat to water pump 
    • Hose clamps

     

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    Complete Cooling System Overhaul Package - 4/2004-2005 Z4 2.5 3.0 ...
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Packaged by Turner - Corporate Logo
    T#:339099
    Part#: TMS16430
    In Stock
    Sale - Save 11% $ 508.99

    This product was last offered at the strikethrough price on
    12-23-2025

    Starting at $ 451.24 USD
    Free Shipping
    Sale - Save 11%
    $ 508.99

    This product was last offered at the strikethrough price on
    12-23-2025

    Starting at $ 451.24 USD
    Free Shipping
    This is a customizable cooling system overhaul kit, which starts off with the basic radiator and water pump and can be configured to replace all the M54 common cooling system failure parts in one package. This cooling system package is for the 2003-2005 Z4 Roadster.

    The Z4 cooling system is much like that of the sister 3 series. Several of the primary cooling components are prone to failure within 60k miles (or less in many cases). A failure in the cooling system can lead to overheating and catastrophic engine failure. Don't gamble your engine! By replacing these core items preventatively, such as the radiator & waterpump, you are defusing what could be a ticking cooling system time bomb. And if you've had a failure of one of these parts, now is the time to refresh your cooling system. Available with our kit is an OEM Behr radiator, an Original BMW water pump (with updated composite impeller), thermostat (complete with housing), radiator cap, new hoses, and other essential cooling parts.

    Optional items (which can be added below):
  • Radiator cap
  • Major cooling hoses
  • Original BMW antifreeze
  • Upgrade the water pump to a Stewart EMP High Performance pump
  • Add a new coolant expansion tank (known for cracking)
  • Include a new coolant level sensor (known for failing / throwing "check coolant" messages)
  • Include a new coolant temp sensor (located in the lower radiator hose) (re-using the old sensor and seal may lead to a leak)
  • Add a new thermostat for an automatic transmission (located with the expansion tank).
    This cooling system overhaul kit fits the following BMWs:
    4/2004-2005 E85 BMW Z4 2.5i Z4 3.0i

    Please put a check in the boxes next to the items you wish to order.
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    Water Pump & Thermostat Kit - BMW Z3 Z4 S54 3.2L
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    Packaged by Turner - Corporate Logo
    T#:48194755
    Part#: ZS54WPTKT2
    Ships on Oct 20, 2026
    New Item
    $ 965.99

    This product was last offered at the strikethrough price on
    04-22-2026

    $ 934.99 USD
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    $ 934.99 USD
    Free Shipping on orders $49 and up
    It is important that your coolant system is serviced at regular intervals to ensure a long life. Over time, coolant systems are exposed to high temperatures and repeated thermal cycling, which causes warping, cracking, and hardening of plastics and rubber components in the coolant system. This can lead to coolant leaks and overheating, which can result in extensive engine damage if not resolved in a timely manner. This Water Pump & Thermostat kit helps to address a few of the most problematic parts, replacing these items entirely to keep your cooling system running optimally and efficiently.
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    BMW Antifreeze Coolant - 1 Gallon
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    Genuine BMW - Corporate Logo
    T#:1474
    Part#: 82141467704
    In Stock
    6% off MSRP $ 28.25

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 26.48 USD
    Free Shipping on orders $49 and up
    6% off MSRP
    $ 28.25

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 26.48 USD
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    The use of Original BMW Anti-Freeze/Coolant will ensure sufficient cooling in summer and protection against freeze-ups in winter. BMW Antifreeze/Coolant will also guard your vehicle's various engine components against corrosion.
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    Genuine BMW Temperature Sensor
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    Genuine BMW - Corporate Logo
    T#:367843
    Part#: 13621433076
    In Stock
    16% off MSRP $ 66.05

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 55.45 USD
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    16% off MSRP
    $ 66.05

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 55.45 USD
    Free Shipping on orders $49 and up

    Genuine BMW Heater Inlet Pipe - E46 E39 E53 E83 E85 Z3
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    Genuine BMW - Corporate Logo
    T#:6939
    Part#: 11531705210
    In Stock
    1% off MSRP $ 66.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 65.99 USD
    Free Shipping on orders $49 and up
    1% off MSRP
    $ 66.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 65.99 USD
    Free Shipping on orders $49 and up
    This is the Genuine BMW plastic heater inlet pipe that connects the cylinder head to the heater inlet on cars with the M52 or M54 engine.The plastic on this hose becomes brittle over time and eventually leads to failure.

    This item fits the following BMWs:
    1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi
    1999-2003 E39 BMW 525i 528i 530i
    2004-2006 E83 BMW X3 2.5i X3 3.0i - M54 engine
    2000-2006 E53 BMW X5 3.0i
    1999-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i
    2003-2005 E85 BMW Z4 2.5i Z4 3.0i
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    Genuine BMW Water Pipe - E46 E39 Z4 Z3 (M52 M54)
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    Genuine BMW - Corporate Logo
    T#:360688
    Part#: 11537502525
    In Stock
    $ 90.99 USD
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    $ 90.99 USD
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    Replace your cracked/broken coolant pipe with this Genuine BMW pipe to ensure long term reliability and perfect fitment.
    Genuine BMW Expansion Tank Cap - E3X / E53 / Z4
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    Genuine BMW - Corporate Logo
    T#:207187
    Part#: 17117639022
    Ships in 1-2 days
    21% off MSRP $ 34.96

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 27.67 USD
    Free Shipping on orders $49 and up
    21% off MSRP
    $ 34.96

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 27.67 USD
    Free Shipping on orders $49 and up


    Genuine BMW Radiator Cap - 2,0Bar
    This item fits the following BMW Chassis:
    E36 M3,E39 M5,E46 M3,E85 Z4M,E53 48IS,E36,E38,E39,E46,E53 X5,E65,E83 X3,E85 Z4,E86 Z4,F06,F10,F12,F13

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    Genuine BMW Auxiliary Fan Switch
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    Genuine BMW - Corporate Logo
    T#:341058
    Part#: 13621433077
    In Stock
    16% off MSRP $ 66.05

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 55.55 USD
    Free Shipping on orders $49 and up
    16% off MSRP
    $ 66.05

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 55.55 USD
    Free Shipping on orders $49 and up
    Genuine BMW Transmission Drain Plug - Manual Transmission - Multiple ...
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    Genuine BMW - Corporate Logo
    T#:15238
    Part#: 23127602815
    In Stock
    7% off MSRP $ 24.30

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 22.50 USD
    Free Shipping on orders $49 and up
    7% off MSRP
    $ 24.30

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 22.50 USD
    Free Shipping on orders $49 and up


    Genuine BMW Screw Plug - M18X1,5X12
    This item fits the following BMW Chassis:
    E82 1M Coupe,E82,E85 Z4,E89 Z4,E90,E92,E93,F22,F30,F31,F32,F33,F34,F36,F80 M3,F82 M4,F83

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    Genuine BMW Manual Transmission Crossmember
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    Genuine BMW - Corporate Logo
    T#:49465
    Part#: 22316760531
    Ships on Nov 24, 2026
    78% off MSRP $ 263.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 58.99 USD
    Free Shipping on orders $49 and up
    78% off MSRP
    $ 263.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 58.99 USD
    Free Shipping on orders $49 and up


    Genuine BMW Gearbox Support
    This item fits the following BMW Chassis:
    E85 Z4M,E46,E85 Z4,E86 Z4


    Water Pump Gasket - S54
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    Genuine BMW - Corporate Logo
    T#:12466
    Part#: 11517831099
    In Stock
    14% off MSRP $ 41.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 36.13 USD
    Free Shipping on orders $49 and up
    14% off MSRP
    $ 41.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 36.13 USD
    Free Shipping on orders $49 and up
    Steel water pump gasket for your Z3 / M3

    Genuine BMW Thermostat With Housing - M52 M54
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    Genuine BMW - Corporate Logo
    T#:360689
    Part#: 11537509227
    In Stock
    3% off MSRP $ 174.45

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 169.69 USD
    Free Shipping
    3% off MSRP
    $ 174.45

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 169.69 USD
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    Water Pump - M52tu, M54 (Original BMW)
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    Genuine BMW - Corporate Logo
    T#:1030
    Part#: 11517509985
    In Stock
    11% off MSRP $ 192.54

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 172.26 USD
    Free Shipping
    11% off MSRP
    $ 192.54

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 172.26 USD
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    This Original BMW water pump is the latest updated design with a composite impeller. The composite material (similar to Kevlar) is much stronger than the problematic plastic impeller from past water pumps. And it's lighter than the aftermarket metal impellers so that means less strain on the bearing. For an OE/OEM replacement, we have found that this is the highest quality and longest lasting waterpump available.

    When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

    This waterpump fits the following BMWs:
    1999-2006 E46 3 series - 323i, 323Ci, 328i, 328Ci, 325i, 325Ci, 330i, 330Ci
    1999-2003 E39 5 series - 528i, 525i, 530i
    1999-2002 Z3 Roadster/Coupe - Z3 2.8, Z3 2.5, Z3 3.0
    2004-2006+ X3 SAV - X3 2.5 & 3.0
    2000-2006 X5 SAV - X5 3.0
    2003-2005 Z4 Roadster/Coupe - Z4 2.5 & Z4 3.0
    Show More Show Less

    Genuine BMW Freeze Plug - N54 3.0L N52 3.0L N55 3.0L
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    Genuine BMW - Corporate Logo
    T#:30761
    Part#: 11117530262
    Ships in 1-2 days
    10% off MSRP $ 34.32

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 30.99 USD
    Free Shipping on orders $49 and up
    10% off MSRP
    $ 34.32

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 30.99 USD
    Free Shipping on orders $49 and up


    Genuine BMW Cover Lid - 110X13
    This item fits the following BMW Chassis:
    E82 1M Coupe,E70 X5,E71 X6,E82,E83 X3,E85 Z4,E86 Z4,E89 Z4,E90,E92,E93,F01,F02,F06,F10,F12,F13,F15,F16,F22,F25 X3,F26 X4 X4,F30,F32,F33,F34,F36,F80 M3,F82 M4,F83

    Fits BMW Engines including:
    N51,N52,N52N,N54,N54T,N55,S55

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    Genuine BMW Radiator Hose - Lower - Z4 2.5i 3.0i M54
    For roadster models with production date up to 04/2004
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:22531
    Part#: 17127514405
    In Stock
    8% off MSRP $ 99.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 91.99 USD
    Limited Qty Sale
    Free Shipping
    8% off MSRP
    $ 99.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 91.99 USD
    Limited Qty Sale
    Free Shipping


    Genuine BMW Water Hose -
    This item fits the following BMW Chassis:
    E85

    Fits BMW Engines including:
    M54


    Additional Water Pump - E90, E92, E93, Z4
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:24649
    Part#: 64118369806
    Ships in 1-2 days
    9% off MSRP $ 297.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 270.99 USD
    Free Shipping
    9% off MSRP
    $ 297.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 270.99 USD
    Free Shipping


    Genuine BMW Additional Water Pump
    This item fits the following BMW Chassis:
    E85 Z4M,E85 Z4,E86 Z4,E90,E92,E93


    Genuine BMW Radiator Carrier - Right
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    Genuine BMW - Corporate Logo
    T#:45593
    Part#: 17107524914
    In Stock
    9% off MSRP $ 73.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 66.99 USD
    Free Shipping on orders $49 and up
    9% off MSRP
    $ 73.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 66.99 USD
    Free Shipping on orders $49 and up


    Genuine BMW Module Carrier

    This item fits the following BMW Chassis:
    E82 1M Coupe,E82,E89 Z4,E90,E92,E93

    Fits BMW Engines including:
    M57,N20,N51,N52,N52N,N54,N54T,N55,S65

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    Genuine BMW Radiator Carrier - Left
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    Genuine BMW - Corporate Logo
    T#:45592
    Part#: 17107524912
    In Stock
    9% off MSRP $ 73.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 66.99 USD
    Free Shipping on orders $49 and up
    9% off MSRP
    $ 73.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 66.99 USD
    Free Shipping on orders $49 and up


    Genuine BMW Module Carrier
    This item fits the following BMW Chassis:
    E82 1M Coupe,E82,E89 Z4,E90,E92,E93

    Coolant Expansion Tank - E85 E86 Z4
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    Genuine BMW - Corporate Logo
    T#:7457
    Part#: 17117573751
    In Stock at Vendor
    $ 289.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 281.99 USD
    Free Shipping
    $ 281.99 USD
    Free Shipping
    This high quality Genuine BMW brand expansion tank is used on M54 and N52 engines, and is a common failure item on all E85 Z4's. Be leary of competitors selling this part for less -- is it a Genuine BMW? Probably not.

    If you are overhauling your coolant system, now is the time to consider preventative replacing this expansion tank. These are known to go bad, causing a leak which can leave you stranded. We have found that the expansion tanks should be replaced based on age as well as condition. Expansion tanks seem to have a lifespan of less than six years before they show signs of fatigue and wear. Pre-emptively replacing the expansion tank as part of an overall maintenance plan can prevent you from getting stranded from a sudden failure later on.

    When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

    This item fits the following BMWs:
    2003-2008 E85 BMW Z4 2.5i Z4 3.0i Z4 3.0si
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    Genuine BMW Automatic Transmission Thermostat
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    Genuine BMW - Corporate Logo
    T#:348485
    Part#: 17111437362
    Ships in 1-2 days
    6% off MSRP $ 134.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 126.99 USD
    Free Shipping
    6% off MSRP
    $ 134.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 126.99 USD
    Free Shipping

    Ensure optimal performance and temperature regulation in your BMW's automatic transmission with the Turner Motorsport Genuine Automatic Transmission Thermostat, part number 17111437362. This thermostat serves as a crucial component of the heat exchanger system, maintaining proper fluid temperatures for smooth transmission operation. Typically replaced during expansion tank maintenance, this Genuine BMW part guarantees reliability and compatibility with your vehicle.

    Key Benefits:

    • Genuine BMW quality assurance
    • Maintains proper transmission fluid temperatures
    • Ensures smooth transmission operation
    • Direct replacement for OEM thermostat
    • Compatible with expansion tank replacement
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    Water Pump - Z3, Z4 M Roadster Z3 M Coupe with S54 engine
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    Genuine BMW - Corporate Logo
    T#:2746
    Part#: 11517838135
    Ships in 1-2 days
    9% off MSRP $ 800.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 730.99 USD
    Free Shipping
    9% off MSRP
    $ 800.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 730.99 USD
    Free Shipping
    Don't take your car's cooling system for granted!One of the biggest weak points is the cooling system. Replacing your waterpump will go a long way for keeping your car on the road and operating properly. This water pump fits MZ3s & MZ4s with S54 engines. Genuine BMW. direct replacement for 11517838160 and 11517831908

    When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

    This item fits the following BMWs:
    2001-2002 Z3 BMW Z3 M Coupe Z3 M Roadster
    2006-2008 E85 BMW Z4 M Roadster M Coupe
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    Genuine BMW Coolant Hose - N52 3.0L
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:360692
    Part#: 11537521049
    In Stock
    12% off MSRP $ 80.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 70.99 USD
    Free Shipping on orders $49 and up
    12% off MSRP
    $ 80.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 70.99 USD
    Free Shipping on orders $49 and up
    This is a Genuine BMW coolant host that connects from the water pump to the thermostat. Replace your leaking coolant hose to prevent overheating issues and coolant loss.

    Genuine BMW Water Pipe Connector - Z4 3.0Si 2.5i E83 X3 3.0i ...
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:7453
    Part#: 17112248409
    Ships in 1-2 days
    5% off MSRP $ 63.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 60.99 USD
    Free Shipping on orders $49 and up
    5% off MSRP
    $ 63.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 60.99 USD
    Free Shipping on orders $49 and up


    Genuine BMW Coolant Connection Fitting -
    This item fits the following BMW Chassis:
    E83 X3,E85,E86

    Fits BMW Engines including:
    M54,N52,N52N


    Genuine BMW Radiator Support Bracket - E92 Z4 E65 E60 E53 E46 E66 E83...
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:21736
    Part#: 17117514402
    Ships in 1-2 days
    7% off MSRP $ 28.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 26.99 USD
    Free Shipping on orders $49 and up
    7% off MSRP
    $ 28.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 26.99 USD
    Free Shipping on orders $49 and up


    Genuine BMW Bracket F.Radiator
    This item fits the following BMW Chassis:
    E46 M3,E85 Z4M,E53 48IS,E46,E53 X5 X5,E65,E83 X3,E85 Z4,E86 Z4,E90,E92,E93

    Genuine BMW Radiator Hose - Upper - Z4 2.5i 3.0i M54
    Roadster models only
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:19519
    Part#: 17127514404
    Ships in 1-2 days
    5% off MSRP $ 104.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 99.99 USD
    Free Shipping
    5% off MSRP
    $ 104.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 99.99 USD
    Free Shipping


    Genuine BMW Water Hose -
    This item fits the following BMW Chassis:
    E85

    Fits BMW Engines including:
    M54


    Genuine BMW Lower Sealing Gasket
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:7408
    Part#: 17111436245
    Ships in 1-2 days
    5% off MSRP $ 36.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 34.99 USD
    Free Shipping on orders $49 and up
    5% off MSRP
    $ 36.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 34.99 USD
    Free Shipping on orders $49 and up


    Genuine BMW Sealing Lower -
    This item fits the following BMW Chassis:
    E46,E83 X3,E85,E86

    Fits BMW Engines including:
    M52,M54,M56,N52

    Genuine BMW Thermostat - 80*C - E46 M3, MZ3 S54, Z4 M
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:12502
    Part#: 11531318274
    Ships in 1-2 days
    16% off MSRP $ 147.44

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 123.15 USD
    Free Shipping
    16% off MSRP
    $ 147.44

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 123.15 USD
    Free Shipping
    GENUINE BMW THERMOSTAT - E46 M3, MZ3 (S54), MZ4. This is just the thermostat itself and does not include the housing o-ring or any others that are advised for replacement. See thermostat kit or our water pump kit for a complete package.

    When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.
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    Engine Coolant Recovery Tank Hose - Z4
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:22338
    Part#: 11537836597
    Ships in 1-2 days
    $ 55.99 USD
    Free Shipping on orders $49 and up


    Genuine BMW Water Hose
    This item fits the following BMW Chassis:
    E85 Z4M,E85 Z4,E86 Z4

    Fits BMW Engines including:
    S54


    Genuine BMW Expansion Tank - E85 Z4 M Coupe/Roadster S54
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:22487
    Part#: 17107836448
    Back Ordered
    7% off MSRP $ 215.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 200.99 USD
    Free Shipping on orders $49 and up
    7% off MSRP
    $ 215.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 200.99 USD
    Free Shipping on orders $49 and up


    Genuine BMW Expansion Tank
    This item fits the following BMW Chassis:
    E85 Z4M,E85 Z4,E86 Z4

    Fits BMW Engines including:
    S54

    Genuine BMW Thermostat - 11537549476 - N51/N52 N54
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:360694
    Part#: 11537549476
    In Stock
    16% off MSRP $ 316.79

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 265.77 USD
    Free Shipping
    16% off MSRP
    $ 316.79

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 265.77 USD
    Free Shipping

    Engine running a little hot or is the temp gauge not telling you anything? The thermostat might be the likely problem. Many cooling issues start with the thermostat. This is electronically controlled by the engine computer based on the cooling demands from the engine. And cooling components are working harder than ever. Engine performance is also dependent on temperature - as temperatures rise and pass a certain threshold the engine computer will begin reducing power. Stay on top of your cooling maintenance by replacing critical components preventatively. This replacement thermostat fits many of the N51 N52 N53 N54 6 cylinder engines and is an OEM Behr part.  

    The thermostat is located along with the water pump on the side of the engine. To gain access for removal you may need to remove the water pump as well. If the water pump is removed you MUST replace its mounting bolts. You can add them from the options below. We also have a bundled package that includes the water pump, mounting screws, connecting hose, and clamps if you want to replace everything together (recommended).  

    For the following BMW engines:
    N54 N52

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    Genuine BMW Water Pump Pulley
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:4472
    Part#: 11511436590
    In Stock
    4% off MSRP $ 75.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 72.99 USD
    Free Shipping
    4% off MSRP
    $ 75.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 72.99 USD
    Free Shipping
    SEE T#337981


    Genuine BMW Upper Radiator Hose - Z4 N52
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:15130
    Part#: 17127537717
    In Stock
    14% off MSRP $ 86.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 79.99 USD
    Limited Qty Sale
    Free Shipping
    14% off MSRP
    $ 86.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 79.99 USD
    Limited Qty Sale
    Free Shipping

    Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure.

    Genuine BMW radiator hoses are always a perfect option when performing maintenance thanks to their high quality and longevity.

    This item fits the following BMW Chassis:
    E85,E86

    Fits BMW Engines including:
    N52

     

    Show More Show Less
    Genuine BMW Low Radiator Hose - Z4 N52
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:19533
    Part#: 17127545263
    In Stock
    8% off MSRP $ 86.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 79.99 USD
    Limited Qty Sale
    Free Shipping
    8% off MSRP
    $ 86.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 79.99 USD
    Limited Qty Sale
    Free Shipping

    Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure.

    Genuine BMW radiator hoses are always a perfect option when performing maintenance thanks to their high quality and longevity.

    This item fits the following BMW Chassis:
    E85,E86

    Fits BMW Engines including:
    N52

     

    Show More Show Less
    Genuine BMW Coolant Hose
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:22326
    Part#: 11537519494
    In Stock at Vendor
    $ 88.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 86.99 USD
    Free Shipping
    $ 86.99 USD
    Free Shipping


    Genuine BMW Hose, Cooler For Engine Oil -
    This item fits the following BMW Chassis:
    E83 X3,E85,E86,E89 Z4

    Fits BMW Engines including:
    N52,N52N

    Show More Show Less

    Expansion Tank Mounting Bracket - E46 E85 Z4 - Auto Trans
    For vehicles with automatic transmission only
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:12560
    Part#: 17111436251
    In Stock at Vendor
    $ 205.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 199.99 USD
    Free Shipping
    $ 199.99 USD
    Free Shipping
    This Genuine BMW part is the mounting bracket from the radiator to the expansion tank on E46 3 series and E85/E86 Z4 with Automatic Transmission.

    When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

    This item fits the following BMWs:
    1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi
    2003-2008 E85 BMW Z4 2.5i Z4 3.0i Z4 3.0si
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    Genuine BMW Radiator air duct - left - Z4 2.5i 3.0i 3.0Si
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:117106
    Part#: 51717012721
    Ships in 1-2 days
    1% off MSRP $ 76.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 75.99 USD
    Free Shipping on orders $49 and up
    1% off MSRP
    $ 76.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 75.99 USD
    Free Shipping on orders $49 and up


    Genuine BMW Air Duct Front Left -
    This item fits the following BMW Chassis:
    E85,E86

    Genuine BMW Radiator - Z4 3.0i 3.0Si N52 3.0L
    For vehicles with automatic transmission only
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:22518
    Part#: 17117551635
    Ships in 1-2 days
    8% off MSRP $ 756.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 692.99 USD
    8% off MSRP
    $ 756.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 692.99 USD


    Genuine BMW Radiator -
    This item fits the following BMW Chassis:
    E85,E86

    Fits BMW Engines including:
    N52


    Genuine BMW Radiator Gasket - Passenger (Right) - Z4 E83 X3
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:45889
    Part#: 17117514400
    Ships in 1-2 days
    4% off MSRP $ 23.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 22.99 USD
    Free Shipping on orders $49 and up
    4% off MSRP
    $ 23.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 22.99 USD
    Free Shipping on orders $49 and up


    Genuine BMW Gasket Right
    This item fits the following BMW Chassis:
    E85 Z4M,E83 X3,E85 Z4,E86 Z4

    Fits BMW Engines including:
    M54,N51,N52,N52N,S54

    Show More Show Less
    Genuine BMW Radiator Adjustment Screw with Drain Plug - Coolant Flow ...
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:45927
    Part#: 17117545783
    Ships in 1-2 days
    7% off MSRP $ 26.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 24.99 USD
    Free Shipping on orders $49 and up
    7% off MSRP
    $ 26.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 24.99 USD
    Free Shipping on orders $49 and up


    Genuine BMW Radiator Adjusting Screw, Automatic -
    This item fits the following BMW Chassis:
    E83 X3,E85,E86

    Fits BMW Engines including:
    N52,N52N

    Show More Show Less

    Water Pump Inlet Pipe - E9x, E82, E60, E85 Z4, E89 Z4
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:22325
    Part#: 11537516414
    Ships in 1-2 days
    7% off MSRP $ 215.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 200.99 USD
    Free Shipping
    7% off MSRP
    $ 215.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 200.99 USD
    Free Shipping
    This is the Genuine BMW coolant pump inlet pipe for cars with the N52 6 cylinder engine.

    This item fits the following BMWs:
    2008+ E82 BMW 128i - Only for Auto Trans
    2006-2011 E90 BMW 325i 325xi 328i 328xi 328i xDrive 330i 330xi - Sedan - Only for Auto Trans
    2006-2012 E91 BMW 325xi 328i 328xi 328i xDrive - Wagon - Only for Auto Trans
    2007-2013 E92 BMW 328i 328xi 328i xDrive - Coupe - Only for Auto Trans
    2007-2013 E93 BMW 328i - Convertible - Only for Auto Trans
    2006-2010 E60 BMW 525i 525xi 530i 530xi 528i 528xi 528i xDrive
    2006-2010 E83 BMW X3 3.0i X3 3.0si - Only for Auto Trans
    2006-2008 E85 BMW Z4 3.0i Z4 3.0si
    2009+ Z4 BMW Z4 sDrive30i
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    Genuine BMW Radiator Mounting Plate for Expansion Tank - Z4
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:45825
    Part#: 17112248408
    Ships in 1 Business Day
    5% off MSRP $ 97.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 92.99 USD
    Free Shipping
    5% off MSRP
    $ 97.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 92.99 USD
    Free Shipping


    Genuine BMW Mounting Plate -
    This item fits the following BMW Chassis:
    E85,E86

    Fits BMW Engines including:
    M54,N52

    Genuine BMW Automatic Transmission Crossmember
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:49516
    Part#: 22321096931
    Ships in 1-2 days
    5% off MSRP $ 263.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 249.99 USD
    Free Shipping
    5% off MSRP
    $ 263.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 249.99 USD
    Free Shipping


    Genuine BMW Gearbox Support -
    This item fits the following BMW Chassis:
    E46,E85

    Genuine BMW Radiator - Automatic Transmission - E46 Z4
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:360754
    Part#: 17119071519
    Ships in 1-2 days
    8% off MSRP $ 487.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 446.99 USD
    8% off MSRP
    $ 487.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 446.99 USD
    This is a Genuine BMW brand replacement radiator for a E46 and Z4 BMW. Save big, while still getting the highest quality radiator available for your BMW. When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.
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    Genuine BMW Temperature Switch for Control Unit Housing (E-Box) (35 d...
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:14858
    Part#: 12521741900
    Ships in 1-2 days
    8% off MSRP $ 82.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 75.99 USD
    Free Shipping on orders $49 and up
    8% off MSRP
    $ 82.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 75.99 USD
    Free Shipping on orders $49 and up


    Genuine BMW Temperature Switch - 35 Cel
    This item fits the following BMW Chassis:
    E39 M5,E46 M3,E38,E39,E46,E53 X5 X5,E85 Z4

    Fits BMW Engines including:
    M52,M54,M56,M60,M62,M73,M73N,S54,S62

    Show More Show Less
    Genuine BMW Radiator Cooling Fan Assembly - Z4 M Roadster Z4 M Coupe ...
    For vehicles with automatic transmissions only
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:13193
    Part#: 17427542912
    Ships in 1-2 days
    5% off MSRP $ 1,021.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 973.99 USD
    5% off MSRP
    $ 1,021.99

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 973.99 USD


    Genuine BMW Fan Housing With Fan - 600W
    This item fits the following BMW Chassis:
    E85 Z4M,E85 Z4,E86 Z4

    Fits BMW Engines including:
    M54,S54