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BMW E34 535i M30 3.4L

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BMW E34 535i M30 3.4L Engine Thermostat Parts

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Thermostat - 80C

ES#3023804 - 11531713040 - Thermostat - 80C - Includes sealing o-ring - Mahle-Behr - BMW

Includes sealing o-ring

Brand:
Mahle-Behr - Corporate Logo
ES#:
3023804
Mfg#:
11531713040
In Stock
$36.00

This product was last offered at the strikethrough price on
04-24-2026

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80C

ES#2712776 - 11531713040 - Thermostat - 80C - Includes sealing o-ring - Vemo - BMW
ECS Tuning recommends this product.

Includes sealing o-ring

Brand:
Vemo - Corporate Logo
ES#:
2712776
Mfg#:
11531713040
In Stock
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80C

ES#4845542 - 11531710953 - Thermostat - 80C - The Thermostat 80C from ECS Tuning is the perfect choice for BMW owners seeking to maintain optimal engine performance and protect critical components from overheating, ensuring long-term reliability. - Rein - BMW

The Thermostat 80C from ECS Tuning is the perfect choice for BMW owners seeking to maintain optimal engine performance and protect critical components from overheating, ensuring long-term reliability. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4845542
Mfg#:
11531710953
In Stock
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80C

ES#2797919 - 11531710953 - Thermostat - 80C - Gasket not included - Genuine BMW - BMW

Gasket not included

Brand:
Genuine BMW - Corporate Logo
ES#:
2797919
Mfg#:
11531710953
In Stock
3% off MSRP

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

$59.99

This product was last offered at the strikethrough price on
08-11-2026

$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Gasket - priced each

ES#2592870 - 11531731833 - Thermostat Gasket - priced each - Seals the water accumulator to back of the engine - Victor Reinz - BMW

Seals the water accumulator to back of the engine

Brand:
Victor Reinz - Corporate Logo
ES#:
2592870
Mfg#:
11531731833
In Stock
$6.86 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Gasket - Priced Each

ES#24949 - 11531731833 - Thermostat Gasket - Priced Each - Seals the water accumulator to the back of the engine. 2 required. - Genuine BMW - BMW

Seals the water accumulator to the back of the engine. 2 required.

Brand:
Genuine BMW - Corporate Logo
ES#:
24949
Mfg#:
11531731833
Ships in 1-2 days
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#24568 - 11531265084 - Thermostat O-Ring - Seals thermostat to cylinder head - Genuine BMW - BMW

Seals thermostat to cylinder head

Brand:
Genuine BMW - Corporate Logo
ES#:
24568
Mfg#:
11531265084
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80°C

ES#4070380 - 11531713040 - Thermostat - 80C - Includes sealing o-ring - Wahler - BMW

Includes sealing o-ring

Brand:
Wahler - Corporate Logo
ES#:
4070380
Mfg#:
11531713040
In Stock at Vendor
$49.61 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#11800 - N90136802 - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat - Febi - Audi BMW Volkswagen

Ensure a proper seal when installing your new thermostat 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
11800
Mfg#:
N90136802
In Stock
$1.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fillster HD - Priced Each

ES#24640 - 11531275881 - Fillster HD - Priced Each - Direct replacement from BMW! - Genuine BMW - BMW

Direct replacement from BMW!

Brand:
Genuine BMW - Corporate Logo
ES#:
24640
Mfg#:
11531275881
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#2867257 - 11531265084 - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat - Febi - BMW

Ensure a proper seal when installing your new thermostat 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2867257
Mfg#:
11531265084
In Stock
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#3449329 - N90136802 - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat - Victor Reinz - Audi BMW Volkswagen

Ensure a proper seal when installing your new thermostat

Brand:
Victor Reinz - Corporate Logo
ES#:
3449329
Mfg#:
N90136802
In Stock
$3.99

This product was last offered at the strikethrough price on
03-15-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Cover

ES#24617 - 11531268650 - Thermostat Cover - Seals the thermostat to the housing - Genuine BMW - BMW

Seals the thermostat to the housing

Brand:
Genuine BMW - Corporate Logo
ES#:
24617
Mfg#:
11531268650
Ships in 5 Business Days
4% off MSRP

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

$46.99

This product was last offered at the strikethrough price on
08-11-2026

$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80C

ES#2867274 - 11531713040S1 - Thermostat - 80C - Includes sealing O-ring - Febi - BMW

Includes sealing O-ring 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2867274
Mfg#:
11531713040S1
Back Ordered
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Gasket - Priced Each

ES#2952043 - 11531731833 - Thermostat Gasket - Priced Each - Seals the water accumulator to the back of the engine - Elring - BMW

Seals the water accumulator to the back of the engine 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2952043
Mfg#:
11531731833
In Stock
$5.78

This product was last offered at the strikethrough price on
07-23-2026

$4.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring (60 X 3.5 mm)

ES#205296 - 11531265084 - Thermostat O-Ring (60 X 3.5 mm) - Seals thermostat to cylinder head - Rein - BMW

Seals thermostat to cylinder head 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
205296
Mfg#:
11531265084
In Stock
$2.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Thermostat Parts

Your thermostat helps regulate engine temperatures by allowing the coolant to circulate through the radiator once it opens. If it fails, this might mean it never closes, but worst case, it could mean your coolant doesn't get to the radiator. Stay ahead of cooling issues by replacing your thermostat regularly with an OEM thermostat or quality aftermarket thermostat from our selection.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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