BMW Cooling System Parts & Accessories for BMW 3 Series E30 (1984-1991)

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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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Thermostat & Water Pump Kit - E30 325, 325e, 325i
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T#:30397424
Part#: 11531730470KT2
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Over time, the water pump in BMW vehicles becomes a common point of failure, typically requiring replacement around the 60,000-mile mark. To ensure optimal performance of your vehicle's cooling system, it's also advisable to replace the thermostat during this service. Turner aims to make this maintenance task easier with its all-in-one Water Pump & Thermostat Replacement Kit.

This comprehensive kit includes:

Water Pump - OEM Geba (11519071562) 80°C Thermostat - OEM MAHLE (11531713040) Thermostat Housing - URO Parts (11531730470) Thermostat Housing Gasket - Genuine BMW (11531722692) Antifreeze/Coolant, 1 Gallon - Genuine BMW (82141467704) Opt for this premium kit to ensure a thorough and reliable repair, extending the lifespan of your BMW's cooling system.

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Comprehensive Coolant Hose Kit - E30 M20
For vehicles with production date from 09/1987
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T#:41897490
Part#: E30M20HSTKT
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$ 332.77 USD
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$ 338.99

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This Comprehensive Coolant Hose Kit – E30 is a must-have for any BMW M20 enthusiast looking to maintain cooling efficiency and avoid future breakdowns. Restore your classic E30’s performance and reliability with a hose kit built to last.
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Water Hose Set - E30 M3
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T#:3449
Part#: 11531309667KIT
Ships in 2 Business Days
$ 167.05 USD
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$ 167.05 USD
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This pacakge of six rubber cooling hoses for the E30 M3 includes most of the commonly replaced coolant lines on the S14. Set includes -
  • upper radiator hose from the large metal coolant pipe, #23 in the diagram
  • top thermostat hose to the large metal coolant pipe, #15 in the diagram
  • middle thermostat hose (T-shaped) to the small metal coolant pipe and to the water pump, #13 in the diagram
  • lower thermostat hose to the bottom of radiator, #22 in the diagram
  • lower radiator hose to coolant pipe, #24 in the diagram
  • expansion tank hose to the small metal coolant pipe, #17 in the diagram
    We use a mix if OE BMW and aftermarket hoses that we trust. This is the original E30 M3 Cooling Hose kit that we have been selling for 20 years. Looking for hose clamps too? We have OEM-style clamps for these too, select this in the options list below.

    This item fits the following BMWs:
    1988-1991 E30 BMW M3
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    Turner OEM Water Hose Set - E30 M3
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Packaged by Turner - Corporate Logo
    T#:338252
    Part#: 11531309667KIT
    Ships in 4 Business Days
    Sale - Save 3% $ 212.99

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

    Starting at $ 206.38 USD
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    $ 212.99

    This product was last offered at the strikethrough price on
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    Starting at $ 206.38 USD
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    This pacakge of six rubber cooling hoses for the E30 M3 includes most of the commonly replaced coolant lines on the S14. Set includes -
  • upper radiator hose from the large metal coolant pipe, #23 in the diagram
  • top thermostat hose to the large metal coolant pipe, #15 in the diagram
  • middle thermostat hose (T-shaped) to the small metal coolant pipe and to the water pump, #13 in the diagram
  • lower thermostat hose to the bottom of radiator, #22 in the diagram
  • lower radiator hose to coolant pipe, #24 in the diagram
  • expansion tank hose to the small metal coolant pipe, #17 in the diagram
    We use a mix if OE BMW and aftermarket hoses that we trust. This is the original E30 M3 Cooling Hose kit that we have been selling for 20 years. Looking for hose clamps too? We have OEM-style clamps for these too, select this in the options list below.

    This item fits the following BMWs:
    1988-1991 E30 BMW M3
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    Complete Cooling System Overhaul Package - 1988-1991 E30 M3
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Packaged by Turner - Corporate Logo
    T#:338650
    Part#: TMS16418
    Ships in 1-2 days
    Starting at $ 713.99 USD
    Starting at $ 713.99 USD
    This cooling package for the E30 M3 consists of all of the major components on the S14's cooling system. There are no major weak points to the E30's cooling system, unless you count skipped maintenance. The entire system is serviceable in individual components so you don't need to buy a complete package of parts. Many of the indivdual parts are on our site but we have setup this package to cover all or most of what you would need to perform a major overhaul. This overhaul package consists of an Genuine BMW radiator and then you build the package from there. Add hoses, sensors, water pumps, thermostats, gaskets, hose clamps, and more. We also sell the Original BMW antifreeze to finish off the job.

    Any problems with the cooling system are likely electrical. Sensors become corroded and fail over time which will send the incorrect signal to the corresponding unit, including the engine computer. Diagnosis of electrical type problems is easy and repair with the OEM Bosch or OE BMW sensors is not too expensive for a car like this. Electrical connections, particularly solder joints, can also become brittle and fail. These are not helped by the intense vibrations of the S14.

    Top Turner Tip for a healthy S14!
    E30 M3s always seem to have cooling problems at the most inconvenient time. If the temp gauge starts rising in the summer months first check and make sure your auxiliary cooling fan is working if it's not it's most likely the switch or the wiring going to the switch. Also remember that the E30 instrument conductor plate can make the gauge read whacky try tapping the gauge if it seems like it's acting up. When it's time to do a water pump (which weeps through a hole on the bottom before it goes completely) take a good look at the radiator too its not expensive and you have to remove it to install the pump anyway.

    Use the options below to build your package.

    This cooling package fits the following BMWs:
    1988-1991 E30 BMW M3
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    Water Pump & Thermostat Kit - BMW M42
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    Packaged by Turner - Corporate Logo
    T#:30198008
    Part#: 11537511580KT5
    Ships on Sep 29, 2026
    Sale - Save 3% $ 118.99

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

    $ 115.90 USD
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    $ 118.99

    This product was last offered at the strikethrough price on
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    $ 115.90 USD
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    Regular maintenance is key to keeping your BMW running smoothly, and the water pump is a critical component that should be serviced every 60,000 miles. To ensure the overall efficiency of your cooling system, it's also recommended to replace the thermostat at the same time. Turner Motorsport has created a streamlined solution with their Water Pump & Thermostat Replacement Kit, making your cooling system upgrade simple and effective.

    Kit Includes:

    Meyle Water Pump with Metal Impeller (11510393338) VEMO Thermostat - 88°C (11537511580) Elring Thermostat Housing Flange Gasket (11531721172) Genuine BMW Coolant/Antifreeze (82141467704) Benefits:

    Enhanced Cooling Efficiency: Earlier opening thermostat improves temperature control under performance conditions. Reliable Components: Includes high-quality parts from Meyle and VEMO, known for their durability and reliability. Complete Solution: All necessary components for a comprehensive cooling system refresh in one convenient kit. Performance-Driven Design: Ideal for those looking to maintain and enhance the cooling capabilities of their S55 engine.

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    Thermostat Replacement Kit - E28, E30, E34 M20B25/27
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    Packaged by Turner - Corporate Logo
    T#:41289770
    Part#: 11531730470TKT
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    Sale - Save 14% $ 93.99

    This product was last offered at the strikethrough price on
    06-08-2026

    $ 81.18 USD
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    This product was last offered at the strikethrough price on
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    This BMW Thermostat Replacement Kit is the go-to choice for preserving the performance and reliability of your classic M20-powered BMW—keeping your engine running cool and smooth mile after mile.
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    Cooling System overhaul Kit - E30 325i/is/ix/e From 1988
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    T#:554135
    Part#: 11531722218KT3
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    This product was last offered at the strikethrough price on
    06-29-2026

    $ 658.39 USD
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    This product was last offered at the strikethrough price on
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    $ 658.39 USD

    This is a compete cooling system overhaul kit, which includes all the common cooling system failure parts bundled into a complete package. This cooling system package is for the E30 325 with the M20 engine. 

    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 thermostat housing, radiator, and 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 entire cooling system. Keep on top of the cooling needs of your engine for your own piece of mind. Potential buyers also see the upside of a properly maintained car with receipts. 

    This water pump fits the following BMWs: 
    1998-1991 E30 BMW 325e 325es 325i 325ic 325is 325ix 

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    Basic Cooling System Service Kit - E30 M20 2.5L 2.7L (up to 09/1987) ...
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Packaged by Turner - Corporate Logo
    T#:557223
    Part#: E30M20BCKT
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    $ 433.99

    This product was last offered at the strikethrough price on
    04-21-2026

    $ 425.99 USD
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    $ 425.99 USD
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    Just like the rest of your vehicle's major systems, the cooling system must also be addressed periodically to ensure proper cooling and component reliability. Plastic and rubber components become brittle and prone to splitting or cracking after long periods of heating and cooling cycles, especially in colder climates! The coolant itself can degrade or become contaminated, leading to potential corrosion or freezing issues. Finally, thermostats and sensors can fail completely, preventing proper cooling and/or coolant temperature readings to become inaccurate.

    To make sure you are not left stranded on the side of the road with an overheated engine, we have put together this Basic Cooling System Service kit. This kit contains all of the most-likely-to-fail components, giving you peace of mind knowing your engine will continue to run cool for another 60,000+ miles.

    See kit contents below for all included components.

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    Stock Replacement Radiator - E30 M3
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Packaged by Turner - Corporate Logo
    T#:338019
    Part#: 17112225592
    Back Ordered
    Starting at $ 347.99 USD
    Starting at $ 347.99 USD
    This is a new stock E30 M3 Radiator. We offer both Genuine BMW or Nissens brand radaitors. The Genuine BMW radiator is the highest quality radiator available. The Nissens is a high quality aftermarket radatior.

    This item fits the following BMWs:
    1988-1991 E30 BMW M3
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    Water Pump - E30 M3
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    Packaged by Turner - Corporate Logo
    T#:337980
    Part#: 11511315211
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    Starting at $ 299.99 USD
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    Starting at $ 299.99 USD
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    This is the stock replacement water pump for the E30 M3. This is the Genuine BMW pump and includes a new OE BMW gasket. It's always a good idea to have one as a spare. Even if it sits on your shelf for awhile it's going to be used at some point (and prices for Genuine E30 M3 parts aren't getting any lower). Aftermarket pumps have been in short supply and the quality hasn't been as good as the Original BMW pump so we have decided to stop offering aftermarket brands like Laso or Saleri. This is the Genuine BMW part, straight from BMW.

    This item fits the following BMWs:
    1987-1991 E30 BMW M3
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    Complete Cooling System Overhaul Package - 1988-1992 E30 325i/is/ic ...
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Packaged by Turner - Corporate Logo
    T#:339938
    Part#: TMS16415
    In Stock
    Sale - Save 14% $ 314.99

    This product was last offered at the strikethrough price on
    05-17-2026

    Starting at $ 270.98 USD
    Sale - Save 14%
    $ 314.99

    This product was last offered at the strikethrough price on
    05-17-2026

    Starting at $ 270.98 USD
    This Cooling Kit for the 1988-1992 E30 325i covers all of the major replacement parts for the original cooling system. We start with an OEM Behr radiator and then you choose the additional parts you need to replace next. Add hoses, sensors, water pumps, thermostats, gaskets, hose clamps, and more. We also sell the correct Original BMW antifreeze to finish off the job.

    Of the systems in your E30, the cooling system is not where you want to let slide or skip maintenance. Almost nothing will ruin your day more than an overheating engine and it's usually at the absolute worse time. Maintaining the cooling system is easy and you can do most or all of the work yourself with ordinary tools. There's no reason not to address a leaky or out of date cooling system right away.

    To save you time and money, we recommend replacing major components with related parts.
    Radiator (manual: 17112241912; automatic: 17112241913)
    Upper (#11531722218) and lower (#11531718980) hoses to thermostat.
    Thermostat with o-ring and housing gasket (#11531713040).
    Water pump with timing belt and tensioner (#09-9320-000).
    Associated hoses with each of the above.
    V-belts with any of the above.

    Use the options below to build your package.

    This cooling package fits the following BMWs:
    1988-1992 E30 BMW 325i 325ic 325is
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    Basic Cooling System Service Kit - E30 M42 1.8L
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Packaged by Turner - Corporate Logo
    T#:557225
    Part#: E30M42BCKT
    Ships on Sep 29, 2026
    Sale - Save 2% $ 194.99

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

    $ 191.34 USD
    Free Shipping
    Sale - Save 2%
    $ 194.99

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

    $ 191.34 USD
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    Just like the rest of your vehicle's major systems, the cooling system must also be addressed periodically to ensure proper cooling and component reliability. Plastic and rubber components become brittle and prone to splitting or cracking after long periods of heating and cooling cycles, especially in colder climates! The coolant itself can degrade or become contaminated, leading to potential corrosion or freezing issues. Finally, thermostats and sensors can fail completely, preventing proper cooling and/or coolant temperature readings to become inaccurate.

    To make sure you are not left stranded on the side of the road with an overheated engine, we have put together this Basic Cooling System Service kit. This kit contains all of the most-likely-to-fail components, giving you peace of mind knowing your engine will continue to run cool for another 60,000+ miles.

    See kit contents below for all included components.

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    Cooling System overhaul Kit - E30 318i 318is
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Packaged by Turner - Corporate Logo
    T#:554545
    Part#: 17111712835KT5
    Ships on Sep 29, 2026
    Sale - Save 2% $ 356.99

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

    $ 349.86 USD
    Free Shipping
    Sale - Save 2%
    $ 356.99

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

    $ 349.86 USD
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    This is a compete cooling system overhaul kit, which includes all the common cooling system failure parts bundled into a complete package. This cooling system package is for the E30 with the M42 engine. 

    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 thermostat housing, radiator, and 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 entire cooling system. Keep on top of the cooling needs of your engine for your own piece of mind. Potential buyers also see the upside of a properly maintained car with receipts. 

     

    This kit fits the following BMWs:

    318i 318is M42

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    Complete Cooling System Overhaul Package - 1987 E30 325i/is/ic ...
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Packaged by Turner - Corporate Logo
    T#:340132
    Part#: TMS16413
    Ships on Aug 24, 2026
    $ 283.99

    This product was last offered at the strikethrough price on
    05-17-2026

    Starting at $ 272.98 USD
    Starting at $ 272.98 USD
    This Cooling Kit for the 1987 E30 325i covers all of the major replacement parts for the original cooling system. We start with an OEM Behr radiator and then you choose the additional parts you need to replace next. Add hoses, sensors, water pumps, thermostats, gaskets, hose clamps, and more. We also sell the correct Original BMW antifreeze to finish off the job.

    Of the systems in your E30, the cooling system is not where you want to let slide or skip maintenance. Almost nothing will ruin your day more than an overheating engine and it's usually at the absolute worse time. Maintaining the cooling system is easy and you can do most or all of the work yourself with ordinary tools. There's no reason not to address a leaky or out of date cooling system right away.

    Top Turner Tip!
    On the 1987 325i, pay particular attention to the alternator fan blades and the clearance to the lower radiator hose. As the engine shifts on worn motor mounts, and the alternator twists on worn bushings, the cooling blades can slice right through the hose. Replace the alternator bushings and use our motor mount reinforcements. Or convert the whole system to the 1988+ cooling system which moves the lower hose to the other side of the radiator.

    To save you time and money, we recommend replacing major components with related parts.
    Radiator (manual: #17111468074; automatic: #17111468075)
    Upper (#11531286914) and lower (#11531279895) hoses to thermostat.
    Thermostat with o-ring and housing gasket (#11531713040).
    Water pump (#11519071562)
    Timing belt and tensioner (#09-9320-000).
    Associated hoses with each of the above.
     - hose from water pump to thermostat (#11531287651)
     - hose from expansion tank to water pump (#11531289257)
     - hose from throttle body to thermostat (#13541705568)
    V-belts with any of the above.

    Use the options below to build your package.

    This cooling package fits the following BMWs:
    1987 E30 BMW 325i 325ic 325is
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    Basic Cooling System Service Kit - E30 M20 2.5L 2.7L (09/1987+) ...
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Packaged by Turner - Corporate Logo
    T#:557228
    Part#: E30M20BCKT2
    Back Ordered
    Sale - Save 4% $ 323.99

    This product was last offered at the strikethrough price on
    06-30-2026

    $ 310.06 USD
    Free Shipping
    Sale - Save 4%
    $ 323.99

    This product was last offered at the strikethrough price on
    06-30-2026

    $ 310.06 USD
    Free Shipping

    Just like the rest of your vehicle's major systems, the cooling system must also be addressed periodically to ensure proper cooling and component reliability. Plastic and rubber components become brittle and prone to splitting or cracking after long periods of heating and cooling cycles, especially in colder climates! The coolant itself can degrade or become contaminated, leading to potential corrosion or freezing issues. Finally, thermostats and sensors can fail completely, preventing proper cooling and/or coolant temperature readings to become inaccurate.

    To make sure you are not left stranded on the side of the road with an overheated engine, we have put together this Basic Cooling System Service kit. This kit contains all of the most-likely-to-fail components, giving you peace of mind knowing your engine will continue to run cool for another 60,000+ miles.

    See kit contents below for all included components.

    Show More Show Less

    Cooling System overhaul Kit - E30 325i/is/ix/e upto 1988
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Packaged by Turner - Corporate Logo
    T#:554131
    Part#: 11531286914KT2
    Back Ordered
    $ 957.99

    This product was last offered at the strikethrough price on
    05-17-2026

    $ 953.99 USD
    $ 953.99 USD

    This is a compete cooling system overhaul kit, which includes all the common cooling system failure parts bundled into a complete package. This cooling system package is for the E30 325 with the M20 engine. 

    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 thermostat housing, radiator, and 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 entire cooling system. Keep on top of the cooling needs of your engine for your own piece of mind. Potential buyers also see the upside of a properly maintained car with receipts. 

    This water pump fits the following BMWs: 
    1986-1988 E30 BMW 325e 325es 325i 325ic 325is 325ix 

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    BMW Antifreeze Coolant - 1 Gallon
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:1474
    Part#: 82141467704
    In Stock
    6% off MSRP $ 28.29

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

    $ 26.63 USD
    Free Shipping on orders $49 and up
    6% off MSRP
    $ 28.29

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

    $ 26.63 USD
    Free Shipping on orders $49 and up
    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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    PENTOFROST NF 50/50 Antifreeze / Coolant Prediluted / Premixed - 1 G...
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Pentosin - Corporate Logo
    T#:34181293
    Part#: 8114308
    In Stock
    $ 20.99 USD
    Free Shipping on orders $49 and up
    Blue G11/G48 Coolant Pre-Mixed 50/50
    OEM Mahle-Behr Thermostat - 80 Degree - E24, E28, E30, E32, E34, E36,...
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Mahle-Behr - Corporate Logo
    T#:2199
    Part#: 11531713040
    In Stock
    $ 36.00

    This product was last offered at the strikethrough price on
    04-25-2026

    $ 35.99 USD
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    $ 35.99 USD
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    The thermostat regulates the temperature of your coolant. At a predetermined temperature the thermostat will open to let coolant flow to the radiator and be cooled by airflow or the fan. Over time the thermostat will become stuck open or closed, leading to a variety of issues. A closed thermostat will never allow the coolant to reach the radiator and be cooled. Hot coolant will continue to circulate through the engine and absorb even more heat until boiling and the system overheats. An open thermostat is not as bad but is still not ideal - the coolant is always cool, with the temp needle always reading in the cool range. This tells the ECU to richen the fuel mixture to bring the car up to normal operating temp. So your fuel mileage decreases and the car runs rich.

    Replacing the thermostat is an easy but messy job. This thermostat includes the main o-ring (but a housing gasket may be required). Consider replacing the housing and any associated temp sensors while you're in there. The cooling system will need to be bled after.

    Most of the engines from the mid-1980s through the 1990s use the same thermostat design and they are interchangeable among the different temperatures. This is the 80* thermostat, towards the lower end of the range. However, keep in mind that BMW spent a lot of time engineering the cooling system to work in all kinds of conditions and changing thermostat temperature is not recommended to fix any failures in the cooling system.

    This thermostat fits the following BMWs:
    1977-1983 E21 BMW 323i
    1986-1991 E30 BMW 318is 318ic 325e 325es 325i 325ic 325is 325ix
    1992-1999 E36 BMW 318i 318is 318ti 318ic 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
    1982-1988 E28 BMW 528e
    1986-1988 E28 BMW 535i
    1989-1995 E34 BMW 525i 535i
    1997-1998 E39 BMW 528i
    1986-1989 E24 BMW 635csi
    1988-1994 E32 BMW 735i 735il
    1997-2000 Z3 BMW Z3 2.8 M Roadster M Coupe
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    Genuine BMW Expansion Tank Cap - E3X / E53 / Z4
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:207187
    Part#: 17117639022
    In Stock
    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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    Febi Auxiliary Fan Switch - 82�C - E12, E21, E23, E24, E28, E3, ...
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    Febi - Corporate Logo
    T#:10520
    Part#: 61311364272
    In Stock
    $ 20.99 USD
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    CHASSIS ELECTRICAL TEMPERATURE SWITCH 61311364272
    Meyle Radiator Fan Clutch - E12, E24, E28, E30, E34, E36, Z3 ...
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    Meyle - Corporate Logo
    T#:384584
    Part#: 11521723918
    In Stock
    $ 108.99

    This product was last offered at the strikethrough price on
    06-22-2026

    $ 89.99 USD
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    $ 89.99 USD
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    Quality aftermarket replacement
    OEM Bosch Coolant Temperature Sensor - E36 318i 325i M3 1992-1995, E3...
    For vehicles with production date from 12/1984
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    Bosch - Corporate Logo
    T#:7259
    Part#: 13621709967
    In Stock
    $ 24.23 USD
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    $ 24.23 USD
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    To make sure your temperature readings are as accurate as possible, replace your temperature sensor with a high quality OEM Bosch temperature sensor.

    OEM replacement for BMW part # 13621709967, 13621709966, and 13621284397. Bosch coolant temperature sensor mounted in the cylinder head on models with the M42, M50 and S50 engines.

    Bosch is one of the largest OEM producers of Genuine BMW and aftermarket parts in the world, providing parts for almost every major automotive manufacturer. Bosch has likely supplied many of the original electrical (and mechanical) parts for your BMW. Thanks to their quality, high durability, and reliability, you should expect a long service life from Bosch products.

    As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!


    This item fits the following BMWs:
    1988-1991 E30 BMW 318i 318is 318ic M3
    1992-1995 E36 BMW 318i 318is 318ti 318ic 325i 325is 325ic M3
    3/1987-1988 E28 BMW 528e
    1985-1988 E28 BMW535i 535is M5
    1989-1995 E34 BMW 525i 535i M5
    1985-1989 E24 BMW 635csi M6
    1984-1987 E23 BMW 735i
    1988-1992 E32 BMW 735i 735il

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    Genuine BMW Thermostat - 88ºC
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    Genuine BMW - Corporate Logo
    T#:360691
    Part#: 11537511580
    In Stock
    3% off MSRP $ 59.99

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

    $ 57.99 USD
    Free Shipping on orders $49 and up
    3% off MSRP
    $ 59.99

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

    $ 57.99 USD
    Free Shipping on orders $49 and up
    URO Coolant Expansion Tank - E30 325e 325i 88-91
    For vehicles with production date from 09/1987
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    2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
    URO - Corporate Logo
    T#:2453609
    Part#: 17111712641
    In Stock
    $ 46.99 USD
    Free Shipping on orders $49 and up
    $ 46.99 USD
    Free Shipping on orders $49 and up
    This coolant reservoir is for the E30 325i 1988-1991. We have found that the expansion tanks should be replaced based on age as well as condition. This item fits the following BMWs: 1988-1991 E30 BMW 325e 325es 325i 325ic 325is 325ix
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    Genuine BMW Heater Hose - E30 M20 2.5L 2.7L
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    Genuine BMW - Corporate Logo
    T#:368716
    Part#: 64211380527
    Ships in 2 Business Days
    4% off MSRP $ 46.22

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

    $ 44.58 USD
    Free Shipping on orders $49 and up
    4% off MSRP
    $ 46.22

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

    $ 44.58 USD
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    Radiator Fan Switch
    For vehicles with production date from 09/1987
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    2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
    URO - Corporate Logo
    T#:361996
    Part#: 61311378073
    In Stock
    $ 26.44 USD
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    $ 26.44 USD
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    Measures radiator air temperature enabling the fan to turn off or on

    Mahle-Behr Coolant Expansion Tank - E30
    For vehicles with production date from 09/1987
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    Mahle-Behr - Corporate Logo
    T#:399336
    Part#: 17111712641
    In Stock at Vendor
    $ 56.99 USD
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    $ 56.99 USD
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    Replace your cracked or faded expansion tank.
    BMW E30 Coolant Hose - Return Line
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    URO - Corporate Logo
    T#:362004
    Part#: 11531722743
    In Stock
    $ 42.39 USD
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    Attaches the thermostat to the bottom of radiator

    Heater Hose
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    URO - Corporate Logo
    T#:363331
    Part#: 64218367790
    In Stock
    $ 34.99 USD
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    Used to connect to the inline thermostat
    Coolant Hose E30 E34 M20 2.5L
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    Genuine BMW - Corporate Logo
    T#:367835
    Part#: 13541719967
    Ships in 1-2 days
    3% 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.

    $ 35.99 USD
    Free Shipping on orders $49 and up
    3% 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.

    $ 35.99 USD
    Free Shipping on orders $49 and up

    Upgrade your BMW E30 or E34 M20 2.5L engine with this Genuine BMW Coolant Hose. Crafted to exacting standards, this hose ensures optimal performance and durability for your vehicle. Say goodbye to leaks and overheating issues with this high-quality replacement part. Keep your BMW running smoothly and efficiently with this essential component.

    • Genuine BMW part for perfect fit and function
    • Crafted to exacting standards for durability
    • Prevents leaks and overheating
    • Ensures optimal engine performance
    • Compatible with BMW E30 and E34 M20 2.5L engines
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    Genuine BMW Radiator Cap 1,4Bar - 17112227683 - E30,E30 M3, E28 M5 ...
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:22513
    Part#: 17112227683
    In Stock
    4% off MSRP $ 27.99

    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
    4% off MSRP
    $ 27.99

    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 Radiator Cap - 1,4Bar
    This item fits the following BMW Chassis:
    E30 M3,E30

    Fits BMW Engines including:
    S14,S38


    Coolant Level Sensor - E30 87-91, E32 E34
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    We Price Match - Give Us A Call or Chat!
    Febi - Corporate Logo
    T#:1728
    Part#: 61311378320
    In Stock
    $ 26.17

    This product was last offered at the strikethrough price on
    07-09-2026

    $ 23.99 USD
    Free Shipping on orders $49 and up
    $ 23.99 USD
    Free Shipping on orders $49 and up

    Coolant level sensor for most E30, E32, and E34 cars. Fits E30 M3 and all E30 325's; E32 735, 740, and 750; and E34 530, 535, 540, and M5. 

    Since the late 1800’s Febi has been fabricating replacement metal parts. This history is self evident in the quality and vast amount of applications they service. With more than 34,000 repair solutions for cars and commercial vehicles you can be sure Febi has you covered.

    This item fits the following BMWs:
    1987-1991 E30 BMW 318i 318is 318ic 325e 325es 325i 325is 325ic 325xi M3
    1989-1995 E34 BMW 530i 535i 540i M5
    1987-1989 E24 BMW 635csi M6
    1988-1994 E32 BMW 735i 735il 740i 740il 750il

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    Meyle Water Pump - E30/E36/Z3 318i/is/ic/Z3 1.9 with M42/M44 engine ...
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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    Meyle - Corporate Logo
    T#:579327
    Part#: 3130113400
    Ships on Sep 29, 2026
    $ 58.99 USD
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    Includes o-ring, features metal impeller.
    Genuine BMW Expansion Tank Cap
    For vehicles with production date from 09/1987
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:384985
    Part#: 17137639023
    In Stock
    $ 21.99 USD
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    $ 21.99 USD
    Free Shipping on orders $49 and up


    Thermostat - 80C
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Wahler - Corporate Logo
    T#:594831
    Part#: 11531713040
    In Stock
    $ 49.61

    This product was last offered at the strikethrough price on
    07-10-2026

    $ 36.99 USD
    Free Shipping on orders $49 and up
    $ 36.99 USD
    Free Shipping on orders $49 and up
    Thermostat Housing
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat! For vehicles made in 09/1987 only
    URO - Corporate Logo
    T#:392721
    Part#: 11531730470
    In Stock
    $ 39.99 USD
    Free Shipping on orders $49 and up

    This is a quality aftermarket replacement aluminum thermostat housing for cars with the M20 6 cylinder engine - 325e, 325i, 528e, 525i. This is the side of the housing that mounts to the cylinder head and has openings for the various coolant / engine temperature sensors. There are 4 ports for sensors so check your existing housing for the sensor layout.

    If you're looking for a Genuine BMW factory replacement part, 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 Thermostat Housing - E36 318i 318is 318ti M42 1.8L ...
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:13004
    Part#: 11531721966
    Ships in 2 Business Days
    Sale - Save 8% $ 110.99

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

    $ 102.55 USD
    Free Shipping
    Sale - Save 8%
    $ 110.99

    This product was last offered at the strikethrough price on
    06-15-2026

    $ 102.55 USD
    Free Shipping


    Genuine BMW Connection Flange -
    This item fits the following BMW Chassis:
    E30,E36

    Fits BMW Engines including:
    M42


    Genuine BMW Over Flow Hose - E30
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:10213
    Part#: 51731911369
    In Stock
    2% off MSRP $ 45.99

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

    $ 44.99 USD
    Free Shipping on orders $49 and up
    2% off MSRP
    $ 45.99

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

    $ 44.99 USD
    Free Shipping on orders $49 and up


    Genuine BMW Hose
    This item fits the following BMW Chassis:
    E30 M3,E30


    Geba Water Pump (Metal Impeller) - E30 325e/I 88-91, E34 525i 89-90, ...
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Geba - Corporate Logo
    T#:3451
    Part#: 11511719836
    Ships in 3 Business Days
    $ 72.99

    This product was last offered at the strikethrough price on
    05-07-2026

    $ 70.99 USD
    Free Shipping on orders $49 and up
    $ 70.99 USD
    Free Shipping on orders $49 and up
    This water pump fits BMWs with the M20 6 cylinder engine.

    Geba builds all of their pumps to exceed factory specifications by using a metal impeller. This offers a huge improvement over stock and a massive increase in reliability. Servicing all major European models, Geba has you covered when it comes time for a new water pump.

    This water pump fits the following BMWs:
    1988-1991 E30 BMW 325e 325es 325i 325ic 325is 325ix
    1988 E28 BMW 528e
    1989-1990 E34 BMW 525i
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    Aftermarket Thermostat Housing - E30 325e 325i, E34 525i - M20 engine...
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    MTC - Corporate Logo
    T#:359592
    Part#: 11531730470
    Ships in 6 Business Days
    $ 33.99 USD
    Free Shipping on orders $49 and up

    This is the stock aluminum thermostat housing for cars with the M20 6 cylinder engine - 325e, 325i, 528e, 525i. This is the side of the housing that mounts to the cylinder head and has openings for the various coolant / engine temperature sensors. There are 4 ports for sensors so check your existing housing for the sensor layout.

    Mission Trading Company is a worldwide leader in the manufacturing of European, Japanese and domestic auto parts. With factories around the world producing parts to the most stringent of standards MTC is there with the parts for your next project.


    This item fits the following BMWs:
    1984-1991 E30 BMW 325e 325es 325i 325ic 325is 325ix
    5/1982-1988 E28 BMW 528e
    1989-1990 E34 BMW 525i

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    Genuine BMW Upper Radiator Hose - E30 M3
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:2305
    Part#: 11531309680
    Ships in 2 Business Days
    $ 28.99 USD
    Free Shipping on orders $49 and up

    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 Upper Radiator Hose fits the following BMWs:
    1988-1991 E30 3 Series M3

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    Facet Radiator Fan Switch - E24, E28, E30, E31, E32, E34, E36, Z3 ...
    For vehicles with production date from 09/1987
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Facet - Corporate Logo
    T#:375144
    Part#: 61311378073
    In Stock
    $ 44.99 USD
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    $ 44.99 USD
    Free Shipping on orders $49 and up
    Measures radiator air temperature enabling the fan to turn off or on

    Genuine BMW Fan Shroud - E30 M20 2.5L 2.7L
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:7422
    Part#: 17111709312
    In Stock
    3% off MSRP $ 108.99

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

    $ 105.99 USD
    Free Shipping
    3% off MSRP
    $ 108.99

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

    $ 105.99 USD
    Free Shipping


    Genuine BMW Fan Shroud - A=550mm
    This item fits the following BMW Chassis:
    E30

    Fits BMW Engines including:
    M20


    Coolant Expansion Tank - E30 325e 325i thru 1987 528e thru 88 ...
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:2061
    Part#: 17111707540
    Ships in 2 Business Days
    Sale - Save 8% $ 158.99

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

    $ 146.98 USD
    Free Shipping
    Sale - Save 8%
    $ 158.99

    This product was last offered at the strikethrough price on
    06-15-2026

    $ 146.98 USD
    Free Shipping
    This radiator expansion tank (coolant reservoir) is used on E30 325e 325es 325i 325is 325ic from 1984-1987 and E28 528e 1982-1987.

    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:
    1984-1987 E30 BMW 325e 325es 325i 325is 325ic 325ix
    1982-1988 E28 BMW 528e
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    Trunk Tool Kit Water Pump Pliers - E36 E46 E30 E39
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:11239
    Part#: 71111179522
    Ships in 2 Business Days
    4% off MSRP $ 47.99

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

    $ 45.99 USD
    Free Shipping on orders $49 and up
    4% off MSRP
    $ 47.99

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

    $ 45.99 USD
    Free Shipping on orders $49 and up
    Missing a tool from your trunk mounted tool kit? Replace your missing water pump pliers with this Genuine BMW part. Having a complete tool kit is handy for quick repairs or it can save you in case of roadside failures. Also a complete tool kitis must when selling a car. If the tool kit is missing parts, what else has been neglected on the car?

    This item fits the following BMWs:
    1970-1976 2002 BMW 1600 2002 2002tii
    1977-1983 E21 BMW 320i
    1984-1991 E30 BMW 318i 318is 318ic 325e 325es 325i 325ic 325is 325ix M3
    1992-1998 E36 BMW 318i 318is 318ti 318ic 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
    1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi M3
    1976-1978 E12 BMW 530i
    1982-1988 E28 BMW 528e
    1989-1995 E34 BMW 525i 530i 535i 540i M5
    1997-2003 E39 BMW 525i 528i 530i 540i M5
    1988-1994 E32 BMW 735i 735il 740i 740il 750il
    1995-2001 E38 BMW 740i 740il 750il
    1990-1999 E31 BMW 840i 840ci 850i 850ci 850csi
    1996-2000 Z3 BMW M Roadster M Coupe
    2000-2003 E52 BMW Z8 Roadster
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    Genuine BMW Coolant Temperature Sensor
    For vehicles with production date from 12/1984
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:376804
    Part#: 13621709967
    Ships in 2 Business Days
    6% 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.

    $ 77.99 USD
    Free Shipping
    6% 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.

    $ 77.99 USD
    Free Shipping


    Thermostat Housing Cover
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
    URO - Corporate Logo
    T#:367144
    Part#: 11531265059
    In Stock
    $ 25.99 USD
    Free Shipping on orders $49 and up
    Replace your old or cracked thermostat cover
    Genuine BMW Cylinder head connector
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:30949
    Part#: 11121264600
    In Stock
    $ 46.99 USD
    Free Shipping on orders $49 and up


    Genuine BMW Connector -
    This item fits the following BMW Chassis:
    E30,E34

    Fits BMW Engines including:
    M20