Select your vehicle
  1. Home
  2. BMW
  3. Coolant Expansion Tank

BMW Z3 Coolant Expansion Tank Parts
OE
BMW Expansion Tank Cap - Mahle Behr 17117639022

BMW Expansion Tank Cap - Mahle Behr 17117639022

318i, 318is, 318ti, 323Ci, 323i, 323is, 325Ci, & more
Mahle Behr
49 Ratings
Available
In Stock
$14.69
OE
BMW Expansion Tank Cap - Rein 17117639022

BMW Expansion Tank Cap - Rein 17117639022

318i, 318is, 318ti, 323Ci, 323i, 323is, 325Ci, & more
Rein
41 Ratings
Available
In Stock
$14.35
OEM
BMW Expansion Tank - Mahle Behr 17107514964

BMW Expansion Tank - Mahle Behr 17107514964

X5, Z3
Mahle Behr
9 Ratings
Available
In Stock
Ships Free
$85.26
BMW Expansion Tank - Meyle 3142230003

BMW Expansion Tank - Meyle 3142230003

X5, Z3
Meyle
Available
Ships in 2-3 weeks
Ships Free
$100.99
BMW Engine Coolant Reservoir (X5 Z3) - Rein 17107514964

BMW Engine Coolant Reservoir (X5 Z3) - Rein 17107514964

X5, Z3
Rein
Available
In Stock
Ships Free
$58.99
BMW Expansion Tank - Mahle Behr 17111723520

BMW Expansion Tank - Mahle Behr 17111723520

323i, 323is, 325i, 325is, 328i, 328is, 528i, M3, Z3
Mahle Behr
6 Ratings
Available
In Stock
$48.95
BMW Expansion Tank - Rein 17111723520

BMW Expansion Tank - Rein 17111723520

323i, 323is, 325i, 325is, 328i, 328is, 528i, M3, Z3
Rein
18 Ratings
Available
In Stock
$35.39
BMW Expansion Tank - Febi 17111712835

BMW Expansion Tank - Febi 17111712835

318i, 318is, 318ti, 525i, 525iT, Z3
Febi Bilstein
Available
Ships in 2-3 weeks
$32.69
BMW Expansion Tank - Rein 17111712835

BMW Expansion Tank - Rein 17111712835

318i, 318is, 318ti, 525i, 525iT, Z3
Rein
Available
In Stock
$17.61
BMW Brass Coolant Bleeder Screw - URO Parts 17111712788

BMW Brass Coolant Bleeder Screw - URO Parts 17111712788

Replacement brass coolant bleeder screw w/ o-ring
318i, 318is, 318ti, 323Ci, 323i, 323is, 325Ci, & more
URO Parts
69 Ratings
Available
In Stock
$5.39
Overstock
BMW Expansion Tank - Genuine BMW 17111723520

BMW Expansion Tank - Genuine BMW 17111723520

323i, 323is, 325i, 325is, 328i, 328is, 528i, M3, Z3
Genuine BMW
2 Ratings
Available
In Stock
Ships Free
$209.99
BMW Engine Coolant Expansion Tank - Genuine BMW 17102229772

BMW Engine Coolant Expansion Tank - Genuine BMW 17102229772

Position 1 in the Diagram
Z3
Genuine BMW
Available
Ships in 5 business days
Ships Free
$209.99
BMW Expansion Tank - Genuine BMW 17107514964

BMW Expansion Tank - Genuine BMW 17107514964

X5, Z3
Genuine BMW
Available
In Stock
Ships Free
$151.99
BMW Expansion Tank - Genuine BMW 17111712835

BMW Expansion Tank - Genuine BMW 17111712835

318i, 318is, 318ti, 525i, 525iT, Z3
Genuine BMW
Available
Ships in 3 business days
Ships Free
$137.99
BMW Expansion Tank Oulet Cap - Genuine BMW 17121719356

BMW Expansion Tank Oulet Cap - Genuine BMW 17121719356

325e, 325es, 325i, 325is, 325iX, M3, Z3, Z8
Genuine BMW
Available
In Stock
$31.66
BMW Expansion Tank Cap - Genuine BMW 17117639022

BMW Expansion Tank Cap - Genuine BMW 17117639022

318i, 318is, 318ti, 323Ci, 323i, 323is, 325Ci, & more
Genuine BMW
19 Ratings
Available
In Stock
$27.89
BMW Coolant Expansion Tank Bracket - Genuine BMW 41122256492

BMW Coolant Expansion Tank Bracket - Genuine BMW 41122256492

Used for Euro M3 expansion tank relocation modification
M3
Genuine BMW
Available
In Stock
$10.59
BMW Expansion Tank Mounting Clip - Genuine BMW 17111723580

BMW Expansion Tank Mounting Clip - Genuine BMW 17111723580

323i, 325i, 325is, 328i, 525i, 528i, 530i, M3, Z3
Genuine BMW
10 Ratings
Available
In Stock
$9.69
BMW Expansion Tank Cap - Genuine BMW 17111719430

BMW Expansion Tank Cap - Genuine BMW 17111719430

Threads onto the expansion tank level sensor hole for vehicles that do not use a coolant level sensor or have deleted the coolant level sensor
528i, 840Ci, 850Ci, 850CSi, 850i, Z3
Genuine BMW
1 Rating
Available
In Stock
$9.39
BMW Expansion Tank Seal - Genuine BMW 17211712965

BMW Expansion Tank Seal - Genuine BMW 17211712965

Diameter: 77.0mm, seals the lower portion of the expansion tank.
318i, 318is, 318ti, 525i, Z3
Genuine BMW
1 Rating
Available
In Stock
$5.89
BMW Gasket Ring (D=14,5Mm) (318i 318is 318ti Z3) - Genuine BMW 17111712966

BMW Gasket Ring (D=14,5Mm) (318i 318is 318ti Z3) - Genuine BMW 17111712966

318i, 318is, 318ti, 525i, Z3
Genuine BMW
Available
In Stock
$4.89
BMW Coolant Bleeder Screw - OE Supplier 17111712788

BMW Coolant Bleeder Screw - OE Supplier 17111712788

Replacement plastic coolant bleeder screw w/ o-ring
318i, 318is, 318ti, 323Ci, 323i, 323is, 325Ci, & more
OE Supplier
4 Ratings
Available
In Stock
$2.49
BMW Tubing Support - Genuine BMW 17112228439

BMW Tubing Support - Genuine BMW 17112228439

M3, Z3
Genuine BMW
Available
In Stock
$0.89
MAP
BMW Aluminum Coolant Expansion Tank - Moroso 63791

BMW Aluminum Coolant Expansion Tank - Moroso 63791

323is, 325is, M3, 325i, 328i, & more
Moroso
Backordered
No ETA
$445.99

Get help answering any questions you have

Contact Us
Special offers, news, & promos
© FCP Euro 2026. All rights reserved.  
Version: 7d1124c0f : 53a503b7d08d6a1584b68d28b71f3ec1f789121f