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Engine Coolant Thermostat

Engine Coolant Thermostat (Mishimoto) for 1999-2006 BMW NEW

$ 135 .95
120-DayReturns
LifetimeWarranty
100%Money-Back

Product Notes Read before buying

Mishimoto has developed a performance low-temp racing thermostat for the BMW M52, M54, and M56 engines. This Mishimoto racing thermostat is ideal for modified engines that demand more from their cooling systems. Our thermostat begins opening 48°F (27°C) earlier than the stock thermostat to allow coolant to flow into your radiator and begin shedding heat sooner. This thermostat comes pre-installed in a durable OEM-quality housing and fits many BMWs including E46, E39, and E85 chassis. Like all Mishimoto performance products, this BMW M52, M54, and M56 thermostat is backed by our Mishimoto Lifetime Warranty.
Brand: Mishimoto
Condition: New
See All Other Engine Coolant Thermostats
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Specifications & Info


Attribute Value
Install Difficulty 3
SellingPoint01 Direct Fit For Bmw M52, M54, And M56 Engines
SellingPoint02 Begins Opening 48f (27c) Earlier Than Stock To Let Coolant Flow Through Your Radiator Sooner
SellingPoint03 Thermostat Pre-installed In Oem-style Housing
SellingPoint04 Includes Thermostat Housing Gasket
SellingPoint05 Mishimoto Lifetime Warranty
SellingPoint06 N/a
SellingPoint07 N/a
SellingPoint08 N/a
SellingPoint09 N/a
SellingPoint10 N/a
SellingPoint11 N/a
SellingPoint12 N/a
SellingPoint13 N/a
SellingPoint14 N/a
SellingPoint15 N/a
TechSpec Applications 1999-2000 Bmw 323i (all Body Types)--2000 Bmw 323ci (all Body Types)--2001-2006 Bmw 325ci (all Body Types)--2001-2005 Bmw 325i (all Body Types)--2001-2005 Bmw 325xi (all Body Types)--1999-2000 Bmw 328i (all Body Types)--2000 Bmw 328ci (all Body Types)--20
TechSpec Chassis Codes E46--e39--e60--e53--e83--e85--e86--e36 (z3 Models Only)
TechSpec Engine Codes M52--m52tub25--m52tub28--m54--m54b25--m54b30--m56
TechSpec Includes (1) Mishimoto Thermostat W/ Housing And Sensor--(1) Thermostat Housing Gasket--mishimoto Lifetime Warranty
TechSpec Mishimoto Activation Temperature (F) 158
TechSpec Note N/a
TechSpec OEM Activation Temperature (F) 206

Vehicle Fitment Guide

This part fits the following vehicles:

BMW 21 models (tapclick to expand)(tapclick to hide)
320i 2001-2005 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Sedan 2001 - 2005 L6 2.2L RWD Automatic & Manual
323Ci 2000 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Convertible 2000 L6 2.5L RWD Automatic & Manual
Base Coupe 2000 L6 2.5L RWD Automatic & Manual
323i 1999-2001 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Convertible 1999 L6 2.5L RWD Automatic & Manual
Base Sedan 1999 - 2001 L6 2.5L RWD Automatic & Manual
Base Wagon 2000 L6 2.5L RWD Automatic & Manual
323is 1999 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Coupe 1999 L6 2.5L RWD Automatic & Manual
323ti 1999-2000 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Hatchback 1999 - 2000 L6 2.5L RWD Automatic & Manual
325Ci 2001-2006 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Convertible 2001 - 2006 L6 2.5L RWD Automatic & Manual
Base Coupe 2001 - 2006 L6 2.5L RWD Automatic & Manual
325i 2001-2005 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Sedan 2001 - 2005 L6 2.5L RWD Automatic & Manual
Base Wagon 2001 - 2005 L6 2.5L RWD Automatic & Manual
325xi 2001-2005 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Sedan 2001 - 2005 L6 2.5L AWD Automatic & Manual
Base Wagon 2001 - 2005 L6 2.5L AWD Automatic & Manual
328Ci 2000 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Coupe 2000 L6 2.8L RWD Automatic & Manual
328i 1999-2000 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Convertible 1999 L6 2.8L RWD Automatic & Manual
Base Sedan 1999 - 2000 L6 2.8L RWD Automatic & Manual
328is 1999 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Coupe 1999 L6 2.8L RWD Automatic & Manual
330Ci 2001-2006 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Convertible 2001 - 2006 L6 3.0L RWD Automatic & Manual
Base Coupe 2001 - 2006 L6 3.0L RWD Automatic & Manual
M Convertible 2005 L6 3.0L RWD Automatic & Manual
M Coupe 2005 L6 3.0L RWD Automatic & Manual
330i 2001-2006 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Sedan 2001 - 2006 L6 3.0L RWD Automatic & Manual
M Sedan 2005 L6 3.0L RWD Automatic & Manual
330xi 2001-2005 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Sedan 2001 - 2005 L6 3.0L AWD Automatic & Manual
525i 2001-2005 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Sedan 2001 - 2005 L6 2.5L RWD Automatic & Manual
Base Wagon 2001 - 2003 L6 2.5L RWD Automatic & Manual
528i 1999-2000 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Sedan 1999 - 2000 L6 2.8L RWD Automatic & Manual
Base Wagon 1999 - 2000 L6 2.8L RWD Automatic & Manual
530i 2001-2005 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Sedan 2001 - 2005 L6 3.0L RWD Automatic & Manual
X3 2004-2006 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
2.5i SUV 2004 - 2006 L6 2.5L AWD Automatic & Manual
3.0i SUV 2004 - 2006 L6 3.0L AWD Automatic & Manual
X5 2001-2006 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
3.0i SUV 2001 - 2006 L6 3.0L AWD Automatic & Manual
4.4i SUV 2001 - 2006 V8 4.4L AWD Automatic
4.4i Formula 1 SUV 2003 - 2006 V8 4.4L AWD Automatic & Manual
4.4i Lujo SUV 2002 - 2006 V8 4.4L AWD Automatic & Manual
4.4i Top Line SUV 2002 - 2006 V8 4.4L AWD Automatic & Manual
4.6is SUV 2002 - 2003 V8 4.6L AWD Automatic
4.8is SUV 2005 - 2006 V8 4.8L AWD Manual
4.8is SUV 2004 - 2006 V8 4.8L AWD Automatic
Z3 1999-2002 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
1.9i Convertible 1999 L4 1.9L RWD Automatic & Manual
2.0i Convertible 2000 L6 2.0L RWD Automatic & Manual
2.2i Convertible 2001 - 2002 L6 2.2L RWD Automatic & Manual
2.8i Convertible 1999 - 2000 L6 2.8L RWD Automatic & Manual
3.0i Convertible 2001 - 2002 L6 3.0L RWD Automatic & Manual
Coupe Coupe 2001 - 2002 L6 3.0L RWD Automatic & Manual
Coupe Coupe 1999 - 2000 L6 2.8L RWD Automatic & Manual
M Coupe Coupe 1999 - 2002 L6 3.2L RWD Manual
M Roadster Convertible 1999 - 2002 L6 3.2L RWD Manual
Roadster Convertible 2001 - 2002 L6 3.0L RWD Automatic & Manual
Roadster Convertible 1999 - 2002 L6 2.5L RWD Automatic & Manual
Roadster Convertible 1999 - 2000 L6 2.8L RWD Automatic & Manual
Z4 2003-2006 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
2.5i Convertible 2003 - 2006 L6 2.5L RWD Automatic & Manual
3.0i Convertible 2003 - 2006 L6 3.0L RWD Automatic & Manual
Coupe 3.0si Coupe 2006 L6 3.0L RWD Automatic & Manual
M Coupe Coupe 2006 L6 3.2L RWD Manual
M Roadster Convertible 2006 L6 3.2L RWD Manual
Roadster 3.0i Convertible 2006 L6 3.0L RWD Automatic & Manual
Roadster 3.0si Convertible 2006 L6 3.0L RWD Automatic & Manual
Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.

Policies, in plain English.

Shipping Information

We offer fast, reliable shipping on all orders:

  • Ships to all countries via US Postal Service Priority Mail.
  • Most orders ship within 1 business day.
  • Delivery time: 1-4 business days after shipment.
  • International shipping available, including APO/FPO addresses.
  • Tracking information provided for all shipments.
  • Additional handling fees may apply for oversized/overweight packages.

Lifetime Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

  • Shipping costs or labor expenses.
  • Installation errors.
  • Parts used for racing.
  • Commercial vehicle parts.

Returns (120 Days)

We want you to be 100% satisfied with your purchase. That's why we offer:

  • 120-Day Returns - Return any part within 120 days from date of receipt.
  • Must obtain RMA (Return Merchandise Authorization) number before returning.
  • Parts must be in original condition, uninstalled, unaltered, and in original packaging.
  • Important: Electrical parts are not returnable if unsealed.
  • Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
  • Refunds processed after warehouse receives return and credited to original payment method.
Mishimoto has developed a performance low-temp racing thermostat for the BMW M52, M54, and M56 engines. This Mishimoto racing thermostat is ideal for modified engines that demand more from their cooling systems. Our thermostat begins opening 48°F (27°C) earlier than the stock thermostat to allow coolant to flow into your radiator and begin shedding heat sooner. This thermostat comes pre-installed in a durable OEM-quality housing and fits many BMWs including E46, E39, and E85 chassis. Like all Mishimoto performance products, this BMW M52, M54, and M56 thermostat is backed by our Mishimoto Lifetime Warranty.

Fits Years: 1999 2000 2001 2002 2003 2004 2005 2006

Fits Models: 320i, 323Ci, 323i, 323is, 323ti, 325Ci, 325i, 325xi, 328Ci, 328i, 328is, 330Ci, 330i, 330xi, 525i, 528i, 530i, X3, X5, Z3, Z4

Expert Guide

Your Guide to the 1999-2006 BMW 325i Engine Coolant Thermostat

Understanding, diagnosing, and replacing the unique electronically controlled thermostat in your E46 BMW 325i.

 Read Full Guide →
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120
Day Return Window

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Most retailers stop at 30 days. We give you a full four months to install, test, and return for a 100% refund — return shipping on us.

NEW
Direct-Fit Replacement

Engineered To OEM Specs

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