BMW M54 Competition Anodized Thermostat Plate Kit

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$599.00
BMW M54 Competition Anodized Thermostat Plate Kit
BMW M54 Competition Anodized Thermostat Plate Kit

BMW M54 Competition Anodized Thermostat Plate Kit

$599.00
Model Number: bmw-m54-competition-thermostat
Our Competition Thermostat Housing, machined from billet T-6061 aluminum, it's designed to return the selection of normal engine operating temperature to the owner/builder and improve engine longevity by replacing the failure prone plastic electronically-controlled thermostat with a mechanical unit. Kit includes aluminum housing, seal, o-ring, screws (4), washers (4) and an 88 or 92 degree mechanical thermostat.
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We have noted more M54 engine failures due to overheating than on any of BMW's previous engines.



Based on design changes to the M54, we infer that the problem is peak operating temperature that is too high; according to BMW's technical literature, the factory thermostat is computer controlled to operate from 80 ° C to 103 ° C. BMW also reports that a mechanical failsafe does not open until the coolant temperature reaches 110 ° C. That's a 230 ° F temperature band, which may also contribute to engine failures.



As too many can attest, temperature related failures often end with engine replacement. M54 engines have aluminum blocks which are subject to having the head bolts strip the block of its threads.



Our Competition Thermostat Housing, machined from billet T-6061 aluminum and anodized for protection, is designed to return the selection of normal engine operating temperature to the owner/builder and improve engine longevity by replacing the failure prone plastic electronically-controlled thermostat with a mechanical unit. (Replaces BMW part no. 11 53 7 509 227)



Kit includes aluminum housing, seal, o-ring, screws (4), washers (4) and 92 degree mechanical thermostat.
Fits E83 X3 2.5i, X3 3.0 M54 Fits E53 X5 3.0i Fits E85 Z4 2.5i, Z4 3.0i M54 Fits E46 323i, 323ci, 325i, 325ci 325xi, 328i, 328ci, 330i, 330ci, 330xi Fits E36 Z3 2.3, Z3 2.5i, Z3 2.8 from 09/98, Z3 3.0i Fits E39 525i, 528i from 09/98, 530i Fits E60 525i M54, 530i M54
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I. Reduced Engine stress
• Less volatility in temperature changes
• Lower maximum engine temperature
• Lower target engine temperature

II. Improved Engine Performance Potential
• Higher compression
• Forced induction
• Safer track use

III. Lower Long Term Operating Costs
• Reduced operating and heat soak pressures will reduce cooling system component failures.
• Lengthened gasket life due to less extreme temperature cycling
• Easy thermostat changes or maintenance (About 15 min. if using our radiator.)

IV. Improved Engine Appearance
• Polished housing
• Anodized for protection

What’s in the Kit?
• T-6061 Aluminum T-Housing (1)
• Thermostat Housing Gasket (1)
• Mechanical Thermostat (1)
• Thermostat O-Ring (1)
• Temperature Sender (1)
• Seal Ring (1)
• Stainless Steel Bolt (4)
• Stainless Steel Washer (4)