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BMW E70 X5 M S63 4.4L

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BMW E70 X5 M S63 4.4L Cooling Expansion Tank Parts

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E70 Coolant Expansion Tank

ES#4017647 - 17137552546 - E70 Coolant Expansion Tank - Replace your cracked or faded tank - URO - BMW

Replace your cracked or faded tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4017647
Mfg#:
17137552546
Ships in 2 Business Days
$70.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E70 Coolant Expansion Tank

ES#3230758 - 17138621092 - E70 Coolant Expansion Tank - Replace your cracked or faded tank - Rein - BMW

Replace your cracked or faded tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3230758
Mfg#:
17138621092
Ships in 2 Business Days
$100.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank

ES#1305029 - 17137589526 - Expansion Tank - Genuine BMW - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
1305029
Mfg#:
17137589526
Ships in 7 Business Days
6% off MSRP

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

$202.99

This product was last offered at the strikethrough price on
06-14-2026

$189.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Coolant Expansion Tank Cap

ES#4941100 - 17132754264 - Engine Coolant Expansion Tank Cap - Replace the expansion tank cap for your MINI / BMW - Bremmen Parts - BMW MINI

Replace the expansion tank cap for your MINI / BMW affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4941100
Mfg#:
17132754264
Ships on Jul 31, 2026
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$6.99

This product was last offered at the strikethrough price on
05-02-2026

$5.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MMX 90mm Billet Coolant Expansion Tank Cap | BMW

Dress Up Your BMW's Engine Bay With MMX's Billet Expansion Tank Cap! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MMX Performance - Corporate Logo
ES#:
4809889
Mfg#:
MMR03-1502
Ships in 2 Business Days
$127.99 USD
Free Shipping
on orders $49 and up

Silver Auxiliary Coolant Reservoir Cap

ES#4882956 - 201-0394-SIL - Silver Auxiliary Coolant Reservoir Cap - Functional and stunningly stylish way to add a nice touch to any engine bay - Precision Raceworks - BMW

Functional and stunningly stylish way to add a nice touch to any engine bay affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4882956
Mfg#:
201-0394-SIL
Ships in 8 Business Days
$99.99

This product was last offered at the strikethrough price on
01-22-2026

$94.99 USD
Free Shipping
on orders $49 and up

Blue Auxiliary Coolant Reservoir Cap

ES#4882951 - 201-0394-BLU - Blue Auxiliary Coolant Reservoir Cap - Functional and stunningly stylish way to add a nice touch to any engine bay - Precision Raceworks - BMW

Functional and stunningly stylish way to add a nice touch to any engine bay affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4882951
Mfg#:
201-0394-BLU
Ships in 10 Business Days
$99.99

This product was last offered at the strikethrough price on
01-22-2026

$94.99 USD
Free Shipping
on orders $49 and up

E70 Coolant Expansion Tank

ES#3148881 - 17137647290 - E70 Coolant Expansion Tank - Plastic expansion tanks have a limited lifespan - replace every 80,000 miles - Rein - BMW

Plastic expansion tanks have a limited lifespan - replace every 80,000 miles affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3148881
Mfg#:
17137647290
Ships in 4 Business Days
$85.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E70 Coolant Expansion Tank

ES#2731937 - 17137552546 - E70 Coolant Expansion Tank - Replace your cracked or faded tank - Mahle-Behr - BMW

Replace your cracked or faded tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mahle-Behr - Corporate Logo
ES#:
2731937
Mfg#:
17137552546
Ships on Jul 1, 2026
$85.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#4328185 - 17138621092 - Coolant Expansion Tank - Replace your cracked or faded tank - Meyle - BMW

Replace your cracked or faded tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4328185
Mfg#:
17138621092
Ships on Oct 23, 2026
$85.99 USD
Free Shipping
on orders $49 and up

Carbon Coolant Expansion Tank Cap Cover (Gloss Carbon)

ES#4900217 - BM-0803-GC - Carbon Coolant Expansion Tank Cap Cover (Gloss Carbon) - Upgrade to AutoTecknic™s Pre-Preg Carbon Fiber Coolant Expansion Tank Cap Cover and give your BMW the exclusive, high-performance look it deserves. - AUTOTECKNIC - BMW

Upgrade to AutoTecknic’s Pre-Preg Carbon Fiber Coolant Expansion Tank Cap Cover and give your BMW the exclusive, high-performance look it deserves. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AUTOTECKNIC - Corporate Logo
ES#:
4900217
Mfg#:
BM-0803-GC
Ships in 8 Business Days
$74.99 USD
Free Shipping
on orders $49 and up

Coolant Expansion Tank with Level Sensor

ES#3139099 - 17138621092 - Coolant Expansion Tank with Level Sensor - Replace your cracked or faded tank - Hudson - BMW

Replace your cracked or faded tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hudson - Corporate Logo
ES#:
3139099
Mfg#:
17138621092
Ships in 1-2 days
$63.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2570141 - 17137516004 - Expansion Tank Cap - Cap for plastic expansion tank - Febi - BMW

Cap for plastic expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2570141
Mfg#:
17137516004
In Stock at Vendor
$15.99

This product was last offered at the strikethrough price on
05-07-2026

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fluid Level Sensor

ES#3673297 - 17137553919 - Fluid Level Sensor - This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level - JL Germany - BMW

This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JL Germany
ES#:
3673297
Mfg#:
17137553919
In Stock
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2534587 - 17137516004 - Expansion Tank Cap - Cap for plastic expansion tank - URO - BMW

Cap for plastic expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534587
Mfg#:
17137516004
Ships in 2 Business Days
$15.99

This product was last offered at the strikethrough price on
04-10-2026

$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CAP- EXPANSION TANK

ES#2801014 - 17117639021 - CAP- EXPANSION TANK - Cap for plastic expansion tank - Meistersatz - BMW

Cap for plastic expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Meistersatz - Corporate Logo
ES#:
2801014
Mfg#:
17117639021
Ships in 4 Business Days
$30.99

This product was last offered at the strikethrough price on
06-10-2026

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Cooling Expansion Tank Parts

A common source of overheating problems is a broken or leaking coolant expansion tank. Replace it with an OEM coolant expansion tank or quality aftermarket expansion tank to prevent future woes.

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