Packaged by Turner Thermostat Replacement Kit - E28, E30, E34 M20B25/27 11531730470TKT

Thermostat Replacement Kit - E28, E30, E34 M20B25/27

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.

Packaged by Turner
T#: 41289770 | Part#: 11531730470TKT
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81.18
SALE: $81.18 (14% OFF)
WAS: $93.99 on 06-08-2026

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

Lifetime Replacement
This product is backed by our
Lifetime Replacement Program! Read more here
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Availability:
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Est. Ship Date:
on Jul 20, 2026
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Packaged by Turner Thermostat Replacement Kit - E28, E30, E34 M20B25/27 11531730470TKT
Thermostat Replacement Kit - E28, E30, E34 M20B25/27
$81.18

Thermostat Replacement Kit - E28, E30, E34 M20B25/27 is the essential cooling system service solution for classic BMW models equipped with the M20B25 or M20B27 inline-six engines. Designed for precision fitment and long-lasting durability, this kit helps restore proper engine temperature regulation, improve fuel efficiency, and prevent common overheating issues that can lead to costly engine damage. Ideal for maintenance or restoration, this thermostat kit includes a high-quality thermostat and sealing gasket, offering reliable performance that meets or exceeds OEM standards for your vintage BMW 3 Series and 5 Series.

Kit Contents:

  • Thermostat
  • Thermostat housing
  • Thermostat O-ring
  • Thermostat housing gasket

Prop 65 WarningProp 65 Warning

Cross Reference
  • 11531713040
  • 11531265084
  • 11531722692
  • 11531730470
Qty Description T# Part# Lifetime
1 Febi Thermostat O-Ring - E23, E24, E28, E30, E32, E34, E36, E39, Z3 T#13000 11531265084~OEB YES
1 Victor Reinz Thermostat Housing Gasket - E28, E30, E34 T#20216 11531722692~OEB YES
1 Thermostat Housing T#392721 11531730470~URO YES
1 Rein Thermostat 80C - E30 325e, E28 535i, E24 633CSi T#34114243 11531710953~REN YES

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Lifetime Replacement

This Product Is Covered By Our Lifetime Replacement Program

Products protected by our Lifetime Replacement Program are covered for as long as you own the product, no need to worry about an expiration date. Purchase your products and enjoy some worry-free motoring, knowing we've got you covered.

If you have any questions, would like to learn more or are ready to place a replacement claim, click here!

MAKE MODEL SUBMODEL ENGINE Special Fitment Notes
BMW E28 528e M20 2.7L Use vehicle selector to confirm fitment
BMW E30 325 M20 2.7L Use vehicle selector to confirm fitment
BMW E30 325e M20 2.7L Use vehicle selector to confirm fitment
BMW E30 325es M20 2.7L Use vehicle selector to confirm fitment
BMW E30 325i M20 2.5L Use vehicle selector to confirm fitment
BMW E30 325is M20 2.5L Use vehicle selector to confirm fitment
BMW E30 325ix M20 2.5L Use vehicle selector to confirm fitment
BMW E34 525i M20 2.5L Use vehicle selector to confirm fitment
*The above product applications have been written by Turner Motorsport. All warranties, product application, fitment, and performance are the responsibility of Turner Motorsport. For additional information see the terms of use.