• Wahler thermostat for BMW M20 and M30 engines. With o-ring.
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M20 Thermostat

M20 Thermostat

$36.00 USD
$36.00 USD
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Shipping Calculated At Checkout.

Wahler 80°C thermostat for the M20 engine — the correct operating temperature for peak power delivery, maximum fuel efficiency, proper heater operation, and long engine life, just as BMW intended.

  • Fits: all BMW M20 engines
  • Includes o-ring
  • Made in Germany
  • Replaces BMW part number 11531710953

The same thermostat we install in every in-house M20 engine build and customer vehicle. A low temperature thermostat should never be needed with a properly functioning cooling system — we never use or recommend them.

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