Upgrade to a much more durable connection from your cylinder head to your thermostat! Commonly referred to as a "Mickey Mouse" flange/adapter.
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
3552811
Mfg#:
024797ECS01
In Stock
ON SALE!
SAVE 25%
$76.99
This product was last offered at the strikethrough price on 06-13-2026
Upgrade to a much more durable connection from your thermostat to your cylinder head!
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4164359
Mfg#:
004503LA01
In Stock
ON SALE!
SAVE 15%
$109.99
This product was last offered at the strikethrough price on 06-13-2026
Aluminum Connector, Gasket, and Temperature Sensor
2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat!
Replaces the stock plastic flange found in the thermostat to cylinder head coolant hose that is known to fail
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Located on the side of the engine block, includes gasket. OE+ Upgrade over the original.
2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat!
Upgrade to a much more durable connection from your thermostat to your cylinder head!
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4164360
Mfg#:
004481LA01
In Stock
ON SALE!
SAVE 15%
$113.99
This product was last offered at the strikethrough price on 06-13-2026
Upgraded metal flange for water hoses
2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat!
Retains OEM fitment with superior looks and durability!
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
3552831
Mfg#:
025216ECS01
In Stock
ON SALE!
SAVE 25%
$80.99
This product was last offered at the strikethrough price on 06-13-2026
Upgrade to a much more durable connection from your thermostat to your cylinder head!
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
3579656
Mfg#:
024797ECS03
In Stock
ON SALE!
SAVE 15%
$116.99
This product was last offered at the strikethrough price on 06-13-2026
The factory connection point is brittle and cracks, leaving your BMW leaking coolant. Replace yours with a durable billet connection and silicone hose for less than a Genuine BMW replacement!
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4164361
Mfg#:
004520LA01
In Stock
ON SALE!
SAVE 25%
$109.99
This product was last offered at the strikethrough price on 06-13-2026
Identical to OE part in form, fit, and function, but with aluminum construction to prevent cracking and leaks. OE+
2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat!
Brand:
ES#:
4899530
Mfg#:
11118619408
Back Ordered
$47.99 USD
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Replace leaking or worn coolant flange with this Genuine BMW part
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply For B48TU Gen 2 applications (B46D/B48D)
Brand:
ES#:
4732047
Mfg#:
11515A74E79
In Stock
2% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$133.99
This product was last offered at the strikethrough price on 10-27-2026
Protect your engine and cooling system from costly failure!
2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply For vehicles with a production date from 10/17
Retains OEM fitment with superior looks and durability!
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4424467
Mfg#:
008648LA01
In Stock
ON SALE!
SAVE 25%
$61.99
This product was last offered at the strikethrough price on 06-13-2026
Upgrade to a much more durable connection from your thermostat to your cylinder head!
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4355841
Mfg#:
004708LA01KT
In Stock
ON SALE!
SAVE 15%
$110.99
This product was last offered at the strikethrough price on 06-13-2026
The factory connection point is brittle and cracks, leaving your BMW leaking coolant. Replace yours with a durable billet connection and silicone hose for less than a Genuine BMW replacement!
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4164362
Mfg#:
004691LA01KT
In Stock
ON SALE!
SAVE 10%
$109.99
This product was last offered at the strikethrough price on 06-13-2026
Lifetime Replacement
