Genuine BMW Thermostat Housing - E30 325e 325i, E34 525i - M20 engine

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.

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:
1984-1991 E30 BMW 325e 325es 325i 325ic 325is 325ix
5/1982-1988 E28 BMW 528e
1989-1990 E34 BMW 525i

T#: 12638 | Part#: 11531730470
Part#: 11-53-1-730-470
Part#: 11 53 1 730 470
Part#: 11.53.1.730.470
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145.99 $145.99
4% off MSRP:
$151.99

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

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Availability:
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Est. Ship Date:
on Jul 6, 2026
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Genuine BMW Thermostat Housing - E30 325e 325i, E34 525i - M20 engine
$145.99

Previous Revisions
  • 11-53-1-285-466, 11 53 1 285 466, 11.53.1.285.466, 11531285466

Cross Reference
  • 11531730470, 11-53-1-730-470, 11 53 1 730 470, 11.53.1.730.470
  • 11531730470, 11-53-1-730-470, 11 53 1 730 470, 11.53.1.730.470
  • 11531285466, 11-53-1-285-466, 11 53 1 285 466, 11.53.1.285.466
  • 11531706903, 11-53-1-706-903, 11 53 1 706 903, 11.53.1.706.903
  • 11531706923, 11-53-1-706-923, 11 53 1 706 923, 11.53.1.706.923

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