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BMW E39 Radiators & Cooling System Overhaul Kits

BMW E39 Radiators & Cooling System Overhaul Kits We sell only OEM Behr, Original BMW, or approved aftermarket upgrade radiators for your BMW. It seems BMW took some shortcuts when it came to radiator design and used too many weak materials like plastic for critical connections. The core and sizing of the radiators are generally sufficient for the intended application but problems can occur at hose connections, upper or lower necks, and plastic end tanks. The radiators we sell are all OEM designs to keep the quality high. In some cases the OEM has made design improvements to prevent past issues. There are a number of non-OEM replacement radiators that use even cheaper materials and poor workmanship which only leads to more problems. On some models we offer OEM alternatives that perform as upgrades to the original designs and we also offer full race all-aluminum radiator upgrades that solve all of the issues with plastic radiators.
You're currently viewing parts for your (E39) 5-Series 1996-2003. Reset your chassis
For accurate results, specify your model below.
Radiator Fan Shroud - E39 525i, 528i, 530i This Genuine BMW radiator fan shroud channels air through the radiator to provide maximum cooling. A cracked or damaged fan shroud will reduce the cooling efficiency.

This item fits the following BMWs:
1997-2003 E39 BMW 525i 528i 530i

Part #: 17101438457
Price: $73.95 (USD) 
Quantity:   
OEM Hella BMW Radiator Drain Plug Radiator -- E39 E6X E38 E70

A common part to break or strip, plastic radiator drain plugs can become a pain after a long period of time. Replace your older brittle plug with a new OEM Hella equivalent to prevent the plug from breaking off in the radiator.

Hella is a premium manufacturer that supplies automotive parts to numerous car brands across the world. Everything from electrical to mechanical genuine parts have been made and supplied directly to BMW before the vehicles ever leave the production floor. Their high quality, long lasting parts have made them a trusted brand chosen to help keep your BMW on the road for many years to come.

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!

Part #: 17112247346
Price: $3.95 (USD) 
Quantity:   
Coolant Level Switch - E31 E38 E39 Z8 This is the radiator coolant level sensor that mounts into the bottom of the cooling system expansion tank.

This item fits the following BMWs:
1999-2000 E39 BMW 528i 540i
2001-2003 E39 BMW 525i 530i 540i
1995-2001 E38 BMW 740i 740il 750il
1990-1998 E31 BMW 840i 840ci
2000-2003 E52 BMW Z8 Roadster
Part #: 61318360876
Price: $14.95 (USD) 
Quantity:   
OEM Hella Coolant Expansion Tank - E39 540i, E38 740i 740il 750il

This radiator expansion tank (coolant reservoir) is used on E39 540i from 1997-2003 and E38 740i 740il 750il from 1995-2001. It is a common failure item. 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. This OEM Hella tank will give you a long life-span and will put your worries to rest of possible failure and coolant loss.

Hella is a premium manufacturer that supplies automotive parts to numerous car brands across the world. Everything from electrical to mechanical genuine parts have been made and supplied directly to BMW before the vehicles ever leave the production floor. Their high quality, long lasting parts have made them a trusted brand chosen to help keep your BMW on the road for many years to come.

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:
1997-2003 E39 BMW 540i, 540i wagon
1995-2001 E38 BMW 740i 740il 750il
1990-1998 E31 BMW 840i 840ci 850i 850ci
2000-2003 E52 BMW Z8

Part #: 17111741167
Price: $49.95 (USD) 
Quantity:   
OEM Behr Coolant Expansion Tank Cap - E36 E46 E34 E39 E32 E38 E65 X3 X5 Z4 This radiator expansion tank cap is used most BMW's from 1991-2006. It is a common failure item. When this item fails, it cannot hold pressure which results in your BMW overheating. If you are overhauling your coolant system, now is the time to consider preventative replacing this cap. It is also referred to as the coolant reservoir cap.

This item fits the following BMWs:
1990-1991 E30 BMW 318i 318is 318ic
1992-1998 E36 BMW 318i 318is 318ic 323is 323ic 325i 325is 325ic 328i 328is M3
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi M3
1989-1995 E34 BMW 530i 535i 540i M5
1991-1995 E34 BMW 525i
1997-2003 E39 BMW 525i 528i 530i 540i M5
1989-1994 E32 BMW 735i 735il 740i 740il 750il
1995-2001 E38 BMW 740i 740il 750il
2002-2008 E65 BMW 745i 745li 750i 750li 760i 760li
1990-1998 E31 BMW 840i 840ci 850i 850ci 850csi
2004-2011 E83 BMW X3 2.5i X3 3.0i X3 3.0si
2000-2006 E53 BMW X5 30.0i X5 4.4i X5 4.6is X5 4.8is
1996-2002 Z3 BMW Z3 1.9 Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i M Coupe M Roadster
2003-2008 E85 BMW Z4 2.5i Z4 3.0i Z4 3.0si M Roadster M Coupe
2000-2003 E52 BMW Z8 Z8 Alpina
2007+ E90 BMW 335i & 335xi
Part #: 17111742231
Price: $9.95 (USD) 
Quantity:   
Aluminum Coolant Bleeder Screw Replace the flimsy plastic bleeder screw used in the coolant expansion tank or in one of the cooling system hoses with this high quality, durable, aluminum bleeder screw. The stock plastic screw can deform over time due to heat or even regular use. We have even seen the head of the screw snap off, leaving the threaded body stuck in the expansion tank. This aluminum screw will help to prevent sudden failure of the bleeder screw, which can result in immediate overheating of the car.
Part #: 003530ECS01A
Price: $7.95 (USD) 
Quantity:   
E39 528i/540i 97-98 (Manual, Automatic), E38 740i/iL, 750iL 95-98 OEM Behr Radiator OEM replacement radiator for all 1997-1998 E39 5 Series (528i & 540i) as well as all 1995-1998 E38 7 Series (740i, 740iL & 750iL). This radiator is made by  BEHR , an original equipment supplier to BMW. This is the brand we use exclusively on our own 5 & 7 series BMWs, and think you should as well.

This BEHR Radiator fits the following BMWs:
1997-1998  E39  528i (manual & automatic)
1997-1998  E39  540i (manual & automatic)
1995-1998  E38  740i & 740iL
1995-1997  E38  750iL
Part #: 17111702969
Price: $159.95 (USD) 
Quantity:   
Complete Cooling System Overhaul Package - 1997-1998 E39 528i This is a compete cooling system overhaul kit, which includes all the common M52 cooling system failure parts bundled into a complete package. This cooling system package is for the 1997-1998 528i with the M52 engine with either the manual or automatic transmission.

Much of the E39 cooling system is shared with the 3-series cars of the same era. Which means the potential for serious cooling system and engine-related failures. 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. Our kit includes one OEM Behr radiator, an Original BMW water pump (with updated composite impeller), thermostat, radiator cap, and new radiator hoses.

Basic Kit Contents:
17111702969, radiator (OEM Behr)
11517527799, water pump (OE BMW)
11537511580, 88°C thermostat (OEM Behr/Hella)
11531740832, upper radiator hose (OEM Rein/CRP)
11531740481, lower radiator hose (OEM Rein/CRP)
17111427156, expansion tank hose (OEM Rein/CRP)
17111742231, expansion tank cap (OEM Behr/Hella)

Cooling Kit Options:
E39 Water Pump Options
(click to expand)
OE BMW with composite impeller. The original BMW water pumps had plastic impellers which degraded and failed. The latest design uses composites that are much better and will not corrode. Compared to a metal impeller, the composite is lighter so it's more efficient and it will not wear out the bearings. We don't even offer the metal impeller pumps with this kit because the BMW composite one is so much better.
Stewart high performance. The ultimate in M50 water pumps! It features a stainless steel impeller, heavy-duty bearings, a better o-ring seal, and flows 20% more than the stock pump. If indestructible is what you're looking for, this is the pump to go with. It also comes with a lifetime warranty for piece of mind.
E39 Expansion Tank
(click to expand)
The original expansion tank is prone to cracks and leakage. Again - it's made from a weak plastic. The material has improved over the years but the only option remains an OEM plastic tank. It's a good idea to replace it if you're doing a whole overhaul. Don't re-use the original tank if you're going to the trouble of replacing everything else!
E39 Thermostat Housing
(click to expand)
The original BMW plastic thermostat housing is brittle and does not seal well. We only sell it under protest. Instead we've been selling this aluminum housing for the last 20+ years. The aluminum does not have the same shortcomings as the plastic one. We made this item an option in case you already have the aluminum housing.

Use the options below to build your cooling package.

This cooling system overhaul kit fits the following BMWs:
1997-1998 E39 BMW 528i
Part #: TMS14414
Price: $446.20 (USD) 
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Complete Cooling System Overhaul Package - 1999-2003 E39 540i, 1999-2001 E38 740i/iL 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 1999-2003 540i with the M62TU VAN0S 4.4-liter engine. This package applies to cars equipped with either the manual or automatic transmission (select the appropriate parts in the menu below).

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. Our bundled package includes the following:
  • OEM Behr radiator (select for manual or automatic transmission)
  • OEM water pump (choose either the metal or composite impeller)
  • OE BMW coolant temp sensor (located in the water pump housing)
  • OEM Behr thermostat with housing and sensor
  • OEM Behr expansion tank with cap
  • OE BMW upper and lower radiator hoses with expansion tank hose
    Optional items (which can be added below):
    - OE BMW antifreeze
    - Add a new coolant level sensor (known for failing / throwing "check coolant" messages)
    - Replace the heat exchanger coolant lines for the automatic transmission
    - Add a new fan clutch

    Buy as a package and save $$$!

    This cooling system overhaul kit fits the following BMWs:
    1999-2003 E39 BMW 540i
    1999-2001 E38 BMW 740i 740il
  • Part #: TMS14417
    Price: $464.55 (USD) 
    Radiator Fan Shroud - E39 540i, E38 740i/il, 750il, E31 840i 850i This is a direct replacement for the factory black plastic BMW radiator fan shroud for E31, E38, E39 with M60 and M62 V8 engines and M70, M73 V12 engines.

    This item fits the following BMWs:
    1997-2003 E39 BMW 540i
    1995-2001 E38 BMW 740i 740il 750il
    1990-1999 E31 BMW 840i 840ci 850i 850ci 850csi
    2000-2003 E52 BMW Z8 Alpina
    Part #: 17101440252
    Price: $39.95 (USD) 
    Quantity:   
    Coolant Temperature Sensor - E46 E39 E82 E9X E60 E63 E38 E65 X3 X5 Z4 This Cooling system temperature sensor mounts into the lower radiator hose.

    This item fits the following BMWs:
    2008+ E82 BMW 128i
    1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi M3
    2006+ E90 BMW 325i 325xi 328i 328xi 328i xDrive 330i 330xi
    2007+ E92 BMW 328i 328xi 328i xDrive
    2007+ E93 BMW 328i
    1999-2003 E39 BMW 525i 528i 530i 540i M5
    2004-2010 E60 BMW 525i 525xi 530i 530xi 545i 550i M5
    2004+ E63 BMW 645ci 650i M6
    1999-2001 E38 BMW 740i 740il 750il
    2002-2008 E65 BMW 745i 745li 750i 750li 760i 760li
    2004-2006 E83 BMW X3 2.5i X3 3.0i
    2000-2006 E53 BMW X5 3.0i X5 4.4i X5 4.6is X5 4.8is
    2007-2013 E70 BMW X5 3.0si X5 4.8i X5 xDrive30i X5 xDrive48i X5M
    2007-2014 E71 BMW X6 xDrive50i X6M
    2003-2008 Z4 BMW Z4 2.5i Z4 3.0i Z4 3.0si Z4 M Roadster M Coupe
    Part #: 13621433077
    Price: $19.95 (USD) 
    Quantity:   
    Motorsport Thermostat - 60C - Complete with Housing - M54 / M52tu This is a genuine BMW Motorsport part, designed specifically for BMW racing applications. We use this exact thermostat setup in our Championship-winning E46 330i race car. It is designed to be used on all M54 and M52TU double-VAN0S engines, as used in the 1999-2000 E46 323/328 and 2001-2005 E46 325/330. This 60 degree C (140 defrees F) thermostat comes complete with plastic thermostat housing. It does not use the plug and wiring for the stock DME so this should only be used with an aftermarket engine management system (Motec, Bosch, etc).
    Part #: TMS1171
    Price: $459.95 (USD) 
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    BMW Expanding Rivet The most common use for this rivet is to secure the radiator fan shroud to the radiator. This rivet can also be used on a wide variety of other applications as well.
    Part #: 17111712963
    Price: $0.89 (USD) 
    Quantity:   
    Complete Cooling System Overhaul Package - 2000-2003 E39 M5 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 1999-2003 E39 M5 with the S62 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. Our bundled package includes the following:
  • OEM Behr radiator
  • OEM Laso or OE BMW water pump with gasket
  • OE BMW coolant temp sensor (located in the water pump housing)
  • OEM Behr thermostat with o-ring
  • OE BMW o-rings for the inner coolant tubes
  • OE BMW expansion tank cap
  • OE BMW upper and lower radiator hoses with OE-style clamps
  • OE BMW expansion tank hose with OE-style clamps
    Optional items (which can be added below):
    - OE BMW antifreeze
    - Add a new coolant level sensor (known for failing / throwing "check coolant" messages)
    - Add a new plastic expansion tank (if it's never been changed it's a risk of a crack or leak)
    - Add a new fan clutch

    Buy as a package and save $$$!

    This cooling system overhaul kit fits the following BMWs:
    1999-2003 E39 BMW M5
  • Part #: TMS14418
    Price: $723.81 (USD) 
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    E39 M5 00-03 OEM Behr Radiator OEM BEHR brand replacement radiator for all E39 M5, as produced in 2000, 2001, 2002 and 2003. This radiator is made by BEHR, an original equipment supplier to BMW. BEHR radiators are what we use our own BMWs and customer installs. We've found the BEHR radiator has the highest lifespan, least amount of manufacturing defects, and best continued cooling performance on the E39 M5. Simply put, you do not want anything else in your M5 but a BEHR brand radiator.

    This BEHR radiator fits the following BMWs:
    2000-2003 E39 M5 sedan
    Part #: 17111436062
    Price: $189.95 (USD) 
    Quantity:   

    Coolant Expansion Tank - E36/E39/Z3 6 cylinder 1992-1998

    For vehicles with production date up to 08/1998
    Part #: 17111723520
    Price: $54.95 (USD) 
    $102.75 (47% off MSRP)
    Quantity:   
    Transmission Oil Cooler Regulator Valve - E39 540i 99-03, E38 740i/iL 750il 99-01 This regulator valve has cooling lines that run from/to the radiator transmission oil cooler (heat exchanger), alternator and water pump. If this item fails the transmission or water cooled alternator may overheat. It fits E39 540i 1999-2003 and E38 740i 740il 750il1999-2001

    This item fits the following BMWs:
    1999-2003 E39 BMW 540i 540i Wagon
    1999-2001 E38 BMW 740i 740il 750il
    Part #: 17211437772
    Price: $79.95 (USD) 
    Complete Cooling System Overhaul Package - 1999-2003 E39 525i 528i 530i 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 1999-2000 528i with the M52TU engine and the 2001-2003 525i and 530i with the M54 engine. This package applies to cars equipped with either the manual or automatic transmission.

    Much of the later E39 cooling system is strong and reliable and doesn't suffer the same types of problems associated with earlier E39 and E36 systems. But there is still the potential for serious cooling system and engine-related failures. Several of the primary cooling components are prone to failure within 80k 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 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. Our kit includes an OEM Behr radiator, an Original BMW water pump (with updated composite impeller), thermostat with housing, radiator cap, and new radiator hoses.

    Optional items (which can be added below):
    - Original BMW antifreeze
    - Upgrade the water pump to a Stewart EMP High Performance pump
    - Add a new coolant expansion tank (known for cracking)
    - Add a new coolant level sensor (known for failing / throwing "check coolant" messages)
    - Add a new coolant temp sensor (located in lower radiator hose and the seal ring may cause leaks if re-used)

    This cooling system overhaul kit fits the following BMWs:
    1999-2003 E39 BMW 525i 528i 530i
    Part #: TMS14415
    Price: $450.60 (USD) 
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    OEM Hella/Behr Radiator -- E39 525i/528i/530i (Manual, Automatic), E39 540i Manual 99-03

    OEM Hella/Behr brand replacement radiator for all 1999-2000 E39 528i (all), 2001-2003 525i & 530i (all), and 540i Sport with 6 Speed Manual Transmission. This radiator is made by Hella/Behr, an original equipment (OE) supplier to BMW. This is the brand we use exclusively on our own 5 series BMWs, and think you should as well. A common failure item is the radiator. It is such a common failure item we recommend replacing this item preventatively every 80,000 miles. This Radiator is made by Hella/Behr, a high quality OE manufacturer. Replaces part number # 17111436060

    Hella is a premium manufacturer that supplies automotive parts to numerous car brands across the world. Everything from electrical to mechanical genuine parts have been made and supplied directly to BMW before the vehicles ever leave the production floor. Their high quality, long lasting parts have made them a trusted brand chosen to help keep your BMW on the road for many years to come.

    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 BEHR Radiator fits the following BMWs:
    1999-2000 E39 528i (manual & automatic)
    2001-2003 E39 525i & 530i (manual & automatic)
    1999-2003 E39 540i Sport 6 Speed (manual transmission)

    Part #: 17111436060
    Price: $154.95 (USD) 
    Quantity:   
    Radiator Fan Switch - E39 528i 540i 97-98 - E38 740i 740il 95-98 Engine radiator double temperature fan switch, 91/104 degree celsius. This switch is designed to activate the auxiliary fan at the specified temperatures.

    This item fits the following BMWs:
    1997-1998 E39 BMW 528i 540i
    1995-1998 E38 BMW 740i 740il
    Part #: 61318360857
    Price: $29.95 (USD) 
    Quantity:   
    Expansion Tank - E39 M5 This radiator expansion tank (coolant reservoir) is used on E39 M5 from 1999-2003. It is a common failure item. If you are overhauling your coolant system, now is the time to consider preventative replacing this expansion tank.

    This item fits the following BMWs:
    1999-2003 E39 BMW M5
    Part #: 17112229114
    Price: $119.47 (USD) 
    Quantity:   
    Complete Cooling System Overhaul Package - 1997-1998 E39 540i 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 1997-1998 540i with the M62 4.4-liter engine (non-VAN0S). This package applies to cars equipped with either the manual or automatic transmission (select the appropriate parts in the menu below).

    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.

    Basic Kit Contents:
    1711702969, radiator (OEM Behr)
    11510393340, water pump (OEM)
    13621703993, coolant temp sensor (located in the water pump housing)
    11531437526, thermostat with housing and sensor (OEM Behr/Hella)
    11531745595, upper radiator hose (OEM)
    11531741409, lower radiator hose (OEM)
    11531741404, expansion tank hose (OEM)
    17111741167, expansion tank (OEM Behr)
    17111742231, expansion tank cap (OEM Behr)

    Cooling Kit Options:
    540 Water Pump Options
    (click to expand)
    There are three versions of the water pump for the early 1997-1998 540i: OEM plastic impeller, updated metal impeller, and the more recently updated composite impeller. We recommend either the metal or composite impeller. These are what we use the most in our shop and what our technicians are comfortable with. On more recent models, BMW has used the composite impeller as original. There doesn't seem to be evidence of the plastic failing on this design (it did on the E36 3-series) but we feel most comfortable with the other options. Both the metal and composite manufacturers are OEM for BMW.

    Use the options below to build your cooling package.

    Buy as a package and save $$$!

    This cooling system overhaul kit fits the following BMWs:
    1997-1998 E39 BMW 540i
    Part #: TMS14416
    Price: $503.35 (USD) 
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    Coolant Expansion Tank - E39 525i 528i 530i 1999-2003

    This radiator expansion tank is used on E39 528i 525i 530i from 1999-2003. It is a common failure item. 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. OEM Hella/Behr brand.

    Hella is a premium manufacturer that supplies automotive parts to numerous car brands across the world. Everything from electrical to mechanical genuine parts have been made and supplied directly to BMW before the vehicles ever leave the production floor. Their high quality, long lasting parts have made them a trusted brand chosen to help keep your BMW on the road for many years to come.

    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:
    1999-2003 E39 BMW 525i 528i 530i

    Part #: 17111436381
    Price: $44.95 (USD) 
    Quantity:   
    Coolant Level Sensor for Late E36 6-cyl, Early E39 528 Coolant Level Sensor for E36 325 and M3 with a production date of June 1995 or later, E36 328 with a production date of March 1996 or later, and E39 528 with a production date of Sept. 1998 or earlier.
    Part #: 61318360855
    Price: $29.95 (USD) 
    Quantity:   
    Coolant/Washer Level Sensor (installs in expansion tank) - Many BMW (see list) This is the sensor / sending unit that notifies the computer if your coolant level is low. When this fails, it can give a false indication of low coolant -- or worse, not inform you of a low coolant situation which could potential cause overheating. (Note: This sensor is also found in the windshield washer container, to alert the computer when you are low on washer fluid)

    This sensor also serves as the washer fluid level sensor on many models.

    This fluid level sensor is found on the following BMWs:
    1999-2005  E46 3 Series  - 323i, 323Ci, 328i, 328Ci, 325i, 325ix, 325Ci, 330i, 330ix, 330Ci
    2001-2006  E46 M3
    2000-2003  E39 M5  Coolant Level Sensor only
    2006-newer  E90/E92 3 Series  - 325i, 325xi, 328i, 328xi, 330i, 330xi, 335i, 335xi M3
    2004-2009  E60 5 Series  - 525i, 525xi, 528i, 528xi, 530i, 530xi, 545i, 550i, M5
    2004-2009  E63/E64 6 Series  - 645Ci, 650i, M6
    2002-2009  E65/E66 7 Series  - 745i, 745Li, 750i, 750Li, 760i, Alpina B7
    2004-2009  X3 SAV  - X3 2.5i, X3 3.0i, X3 3.0si
    2000-2006  E53 X5  X5 3.0i X5 4.4i X5 4.6is X5 4.8is
    2007+  E70 X5  X5 3.0si X5 4.8i X5 xDrive30i X5 xDrive48i X5M
    2007+  E71 X6  X6 xDrive35i X6 xDrive50i X6M
    2003-2009  Z4 Roadster/Coupe  - Z4 2.5i, Z4 3.0i, Z4 3.0xi, MZ4 Roadster & Coupe
    2000-2003  E52 Z8  Z8 Roadster - Coolant Level Sensor only
     
    Part #: 17137553919
    Price: $17.95 (USD) 
    $19.87 (10% off MSRP)
    Quantity:   
    OEM Style Hose Clamps Hose clamps for radiator hoses, coolant hoses, vacuum hoses, or intake hoses. These hose clamps are the same style as your OEM hoses with a smooth inside band to prevent cutting into the hose material.

    Features:
  • 9mm band width
  • 6mm hex & slotted head
  • Smooth inside of band = optimal hose protection
  • OEM
  • 430 Stainless steel band and housing with zinc plated steel screw
  • Asymmetric housing = even distribution of forces and prevents tilting of the clamp when tightening
  • Screw support = ease of assembly due to the safe guidance of the emerging band
  • Short housing saddle = even contact pressure = improved efficiency

    Part NumberDescriptionClamping Range in MMClamping Range in Inches
    008-12T8-12 HOSE CLAMP8mm-12mm5/16"-1/2"
    008-16T8-16 HOSE CLAMP8mm-16mm5/16"-5/8"
    012-20T12-20 HOSE CLAMP12mm-20mm1/2"-3/4"
    016-27T16-27 HOSE CLAMP16mm-27mm5/8"-11/16"
    020-32T20-32 HOSE CLAMP20mm-32mm3/4"-1 1/4"
    025-40T25-40 HOSE CLAMP25mm-40mm1"-1 5/8"
    030-45T30-45 HOSE CLAMP30mm-45mm1 3/16"-1 3/4"
    032-50T32-50 HOSE CLAMP32mm-50mm1 3/8"-2"
    040-60T40-60 HOSE CLAMP40mm-60mm1 5/8"-2 3/8"
    050-70T50-70 HOSE CLAMP50mm-70mm2"-2 3/4"
    060-80T60-80 HOSE CLAMP60mm-80mm2 3/8"-3 1/8"
    070-90T70-90 HOSE CLAMP70mm-90mm2 3/4"-3 1/2"
    080-100T80-100 HOSE CLAMP80mm-100mm3 1/8"-4"
    090-110T90-110 HOSE CLAMP90mm-110mm3 1/2"-4 3/8"
    110-130T110-130 HOSE CLAMP110mm-130mm4 3/8"-5 1/8"
  • Part #: Hose-Clamps
    Price: $2.19 (USD) 
    Coolant Expansion Tank - E36/E39/Z3 6 cylinder 1992-1998 This high quality BEHR brand expansion tank is used on M50, M52, S50 and S52 engines, and is a common failure item on all E36 3 series with 6 cylinder engines (325/328/323 and M3) 1992-1999, Z3 with 2.8 liter, MZ3 Roadster/Coupe (S52), and E39 528i from 1997-1998. BEHR was the original equipment supplier to BMW, so you know the BEHR made expansion tank will be the highest quality available. Be leary of competitors selling this part for less -- is it a BEHR? Probably not. We only carry the BEHR brand expansion tank as it is the only one we use in our own BMWs.

    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.

    Need a new coolant level sensor too? If your coolant level sender is bad, your on board computer will constantly display a "low coolant" message (unless your coolant is actually low...). If you're replacing your expansion tank, now is a great time to replace this failure prone sensor. If you want a new coolant level sensor, simply choose from the option below. Because there are different sensors for different year/model BMWs, please be as specific as possible when you give us your car info during checkout (model, year, production date). Thanks!


    This item fits the following BMWs:
    1992-1998 E36 BMW 323ic 325i 325is 325ic 328i 328is 328ic M3
    1997-1998 E39 BMW 528i
    1997-1998 Z3 BMW Z3 2.8
    1998-2000 Z3 BMW M Roadster M Coupe (S52)
    Part #: 17111723520
    Price: $54.95 (USD) 
    $102.75 (Sale - Save 47%)

    E39 540i 99-03 Automatic, E38 99-01 OEM Behr Radiator

    For vehicles with automatic transmission and production date from 09/1998
    E39 540i 99-03 Automatic, E38 99-01 OEM Behr Radiator OEM BEHR brand replacement radiator for all 1999-2003 E39 540i (with automatic transsmision) as well as all 1999-2001 E38 7 series (including 740i, 740iL & 750iL). This radiator is made by  BEHR  , an original equipment supplier to BMW. This is the brand we use exclusively on our own 5 & 7 series BMWs, and think you should as well. 

    This BEHR Radiator fits the following BMWs:  
    1999-2003  E39  540i with automatic transmission 
    1999-2001  E38  740i & 740iL (all) 
    1999-2001  E38  750iL (all) 
    Part #: 17111436063
    Price: $169.95 (USD) 
    Quantity:   
    Transmission Heat Exchanger - E39 540i 99-03, E38 740i/iL 99-01 Part of any cooling system overhaul on the 540i or 740i/iL should include a service for the automatic transmission heat exchanger (cooler). This block takes coolant from the radiator and uses it to cool the oil for the transmission. A blocked or faulty transmission cooler can lead to major transmission faults, harder or hesitating shifts, or even complete transmission failure. We recommend getting 2 new o-rings while replacing the the heat exchanger. il As part of every cooling system service we recommend cleaning or replacing the heat exchanger itself and the replacement of the hoses leading to it (see separate product).

    This item fits the following BMWs:
    1999-2003 E39 BMW 540i
    1999-2001 E38 BMW 740i 740il
    Part #: 17217505823
    Price: $284.95 (USD) 
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    Quantity:   
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