Rein OEM Rein Expansion Tank Cap - BMW E32 E34 E36 E38 E39 E46 & More 17111742231

OEM Rein Expansion Tank Cap - BMW E32 E34 E36 E38 E39 E46 & More

This radiator expansion tank cap is used most BMW's from 1991-2006. It is a common failure item. When this item fails, it cannot hold pressure which results in your BMW overheating. If you are overhauling your coolant system, now is the time to consider preventative replacing this cap. It is also referred to as the coolant reservoir cap.
Rein Rein
T#: 340541 | Part#: 17111742231
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Checking Vehicle Fitment...

Please ensure your correct model is selected

Does NOT fit your Change Vehicle

Fits your Change Vehicle

Change Vehicle

17.99 $17.99
Lifetime Replacement
This product is backed by our
Lifetime Replacement Program! Read more here
Free Shipping on orders $49 and up
Availability:
In Stock
Est. Ship Date:
on Jun 8, 2026
Qty
Add to Wish List
Facebook Twitter Pinterest Google+ Email Price Alert
Rein OEM Rein Expansion Tank Cap - BMW E32 E34 E36 E38 E39 E46 & More 17111742231
OEM Rein Expansion Tank Cap - BMW E32 E34 E36 E38 E39 E46 & More
$17.99

Alternative Products

Page 1 of
OEM Behr Coolant Expansion Tank Cap - E36 E46 E34 E39 E32 E38 E65 X3 X5 Z4
Turner Preferred.
OEM Behr Coolant Expansion Tank Cap - E36 E46 E34 E39 E32 E38 E65 X3 ...
Mahle-Behr - Corporate Logo
In Stock
$ 19.99 USD
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
URO Expansion Tank Cap
URO Expansion Tank Cap
URO - Corporate Logo
In Stock at Vendor
$ 11.99 USD
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For O...
This radiator expansion tank cap is used most BMW's from 1991-2006. It is a common failure item. When this item fails, it cannot hold pressure which results in your BMW overheating. If you are overhauling your coolant system, now is the time to consider preventative replacing this cap. It is also referred to as the coolant reservoir cap.
Prop 65 WarningProp 65 Warning

Cross Reference
  • 17111712669CRP
  • 17117639022
  • 17110152374
  • 17111712492
  • 17111712669
  • CPE0030P

Product Q&A

Lifetime Replacement

This Product Is Covered By Our Lifetime Replacement Program

Products protected by our Lifetime Replacement Program are covered for as long as you own the product, no need to worry about an expiration date. Purchase your products and enjoy some worry-free motoring, knowing we've got you covered.

If you have any questions, would like to learn more or are ready to place a replacement claim, click here!

MAKE MODEL SUBMODEL ENGINE Special Fitment Notes
BMW E30 318i M10 1.8L Use vehicle selector to confirm fitment
BMW E30 318i M42 1.8L Use vehicle selector to confirm fitment
BMW E30 318is M42 1.8L Use vehicle selector to confirm fitment
BMW E31 840Ci M60 4.0L Use vehicle selector to confirm fitment
BMW E31 840Ci M62 4.4L Use vehicle selector to confirm fitment
BMW E31 850Ci M70 5.0L Use vehicle selector to confirm fitment
BMW E31 850Ci M73 5.4L Use vehicle selector to confirm fitment
BMW E31 850CSi S70 5.6L Use vehicle selector to confirm fitment
BMW E32 730i M60 3.0L Use vehicle selector to confirm fitment
BMW E32 735i M30 3.4L Use vehicle selector to confirm fitment
BMW E32 735iL M30 3.4L Use vehicle selector to confirm fitment
BMW E32 740i M60 4.0L Use vehicle selector to confirm fitment
BMW E32 740iL M60 4.0L Use vehicle selector to confirm fitment
BMW E32 750i M70 5.0L Use vehicle selector to confirm fitment
BMW E32 750iL M70 5.0L Use vehicle selector to confirm fitment
BMW E34 525i M20 2.5L Use vehicle selector to confirm fitment
BMW E34 525i M50 2.5L Use vehicle selector to confirm fitment
BMW E34 530i M60 3.0L Use vehicle selector to confirm fitment
BMW E34 535i M30 3.4L Use vehicle selector to confirm fitment
BMW E34 540i M60 4.0L Use vehicle selector to confirm fitment
BMW E34 M5 S38 3.5L Use vehicle selector to confirm fitment
BMW E36 318i M42 1.8L Use vehicle selector to confirm fitment
BMW E36 318i M44 1.9L Use vehicle selector to confirm fitment
BMW E36 318ic M42 1.8L Use vehicle selector to confirm fitment
BMW E36 318ic M44 1.9L Use vehicle selector to confirm fitment
BMW E36 318is M42 1.8L Use vehicle selector to confirm fitment
BMW E36 318is M44 1.9L Use vehicle selector to confirm fitment
BMW E36 318ti M42 1.8L Use vehicle selector to confirm fitment
BMW E36 318ti M44 1.9L Use vehicle selector to confirm fitment
BMW E36 320i M50 2.0L Use vehicle selector to confirm fitment
BMW E36 323i M52 2.5L Use vehicle selector to confirm fitment
BMW E36 323ic M52 2.5L Use vehicle selector to confirm fitment
BMW E36 323is M52 2.5L Use vehicle selector to confirm fitment
BMW E36 325i M50 2.5L Use vehicle selector to confirm fitment
BMW E36 325ic M50 2.5L Use vehicle selector to confirm fitment
BMW E36 325is M50 2.5L Use vehicle selector to confirm fitment
BMW E36 328i M52 2.8L Use vehicle selector to confirm fitment
BMW E36 328ic M52 2.8L Use vehicle selector to confirm fitment
BMW E36 328is M52 2.8L Use vehicle selector to confirm fitment
BMW E36 M3 S50 3.0L Use vehicle selector to confirm fitment
BMW E36 M3 S52 3.2L Use vehicle selector to confirm fitment
BMW E38 740i M60 4.0L Use vehicle selector to confirm fitment
BMW E38 740i M62 4.4L Use vehicle selector to confirm fitment
BMW E38 740iL M60 4.0L Use vehicle selector to confirm fitment
BMW E38 740iL M62 4.4L Use vehicle selector to confirm fitment
BMW E38 750i M73 5.4L Use vehicle selector to confirm fitment
BMW E38 750iL M73 5.4L Use vehicle selector to confirm fitment
BMW E39 525i M54 2.5L Use vehicle selector to confirm fitment
BMW E39 528i M52 2.8L Use vehicle selector to confirm fitment
BMW E39 530i M54 3.0L Use vehicle selector to confirm fitment
BMW E39 540i M62 4.4L Use vehicle selector to confirm fitment
BMW E39 M5 S62 5.0L Use vehicle selector to confirm fitment
BMW E46 323Ci M52 2.5L Use vehicle selector to confirm fitment
BMW E46 323i M52 2.5L Use vehicle selector to confirm fitment
BMW E46 325Ci M54 2.5L Use vehicle selector to confirm fitment
BMW E46 325i M54 2.5L Use vehicle selector to confirm fitment
BMW E46 325i M54 3.0L Use vehicle selector to confirm fitment
BMW E46 325xi M54 2.5L Use vehicle selector to confirm fitment
BMW E46 328Ci M52 2.8L Use vehicle selector to confirm fitment
BMW E46 328i M52 2.8L Use vehicle selector to confirm fitment
BMW E46 330Ci M54 3.0L Use vehicle selector to confirm fitment
BMW E46 330i M54 3.0L Use vehicle selector to confirm fitment
BMW E46 330xi M54 3.0L Use vehicle selector to confirm fitment
BMW E46 M3 S54 3.2L Use vehicle selector to confirm fitment
BMW E52 Z8 S62 5.0L Use vehicle selector to confirm fitment
BMW E52 Z8 Alpina M62 4.8L Use vehicle selector to confirm fitment
BMW E53 X5 M54 3.0L Use vehicle selector to confirm fitment
BMW E53 X5 M62 4.4L Use vehicle selector to confirm fitment
BMW E53 X5 M62 4.6L Use vehicle selector to confirm fitment
BMW E53 X5 N62 4.4L Use vehicle selector to confirm fitment
BMW E53 X5 N62 4.8L Use vehicle selector to confirm fitment
BMW E53 X5 All Use vehicle selector to confirm fitment
BMW E65 745i N62 4.4L Use vehicle selector to confirm fitment
BMW E65 750i N62 4.8L Use vehicle selector to confirm fitment
BMW E65 760i N73 6.0L Use vehicle selector to confirm fitment
BMW E65 760Li N73 6.0L Use vehicle selector to confirm fitment
BMW E65 B7 Alpina N62 4.4L Use vehicle selector to confirm fitment
BMW E66 745Li N62 4.4L Use vehicle selector to confirm fitment
BMW E66 750Li N62 4.8L Use vehicle selector to confirm fitment
BMW E66 760Li N73 6.0L Use vehicle selector to confirm fitment
BMW E83 X3 M54 2.5L Use vehicle selector to confirm fitment
BMW E83 X3 M54 3.0L Use vehicle selector to confirm fitment
BMW E83 X3 N52 3.0L Use vehicle selector to confirm fitment
BMW Z3 1.9 M44 1.9L Use vehicle selector to confirm fitment
BMW Z3 2.3 M52 2.5L Use vehicle selector to confirm fitment
BMW Z3 2.5 M52 2.5L Use vehicle selector to confirm fitment
BMW Z3 2.5i M54 2.5L Use vehicle selector to confirm fitment
BMW Z3 2.8 M52 2.8L Use vehicle selector to confirm fitment
BMW Z3 3.0i M54 3.0L Use vehicle selector to confirm fitment
BMW Z3 M Coupe S52 3.2L Use vehicle selector to confirm fitment
BMW Z3 M Coupe S54 3.2L Use vehicle selector to confirm fitment
BMW Z3 M Roadster S52 3.2L Use vehicle selector to confirm fitment
BMW Z3 M Roadster S54 3.2L Use vehicle selector to confirm fitment
BMW Z4 2.5i M54 2.5L Use vehicle selector to confirm fitment
BMW Z4 3.0i M54 3.0L Use vehicle selector to confirm fitment
BMW Z4 3.0i N52 3.0L Use vehicle selector to confirm fitment
BMW Z4 3.0Si N52 3.0L Use vehicle selector to confirm fitment
BMW Z4 M Roadster S54 3.2L Use vehicle selector to confirm fitment
*The above product applications have been written by Turner Motorsport. All warranties, product application, fitment, and performance are the responsibility of Turner Motorsport. For additional information see the terms of use.

Frequently Purchased Together

‹ ›