Top 10 E46 Expansion Tank Cap – Automotive Replacement Coolant Recovery Bottle Caps

As an Amazon Associate I earn from qualifying purchases.

1. URO Parts


URO Parts 17111712669 Expansion Tank Cap

URO Parts #ad - 24-month / unlimited Mileage Warranty. Precision-molded to OE Cap dimensions to ensure compatibility with original and aftermarket coolant recovery tanks. Guaranteed fitment. Quality cap and seal materials resist engine heat and harsh cooling system environment. Factory pressure-tested.
BrandURO Parts #ad
ManufacturerURO Parts #ad
Height2.4 Inches
Length2.6 Inches
Weight0.03 Pounds
Width2.5 Inches
Part Number17111712669
Warranty24 month unlimited mileage

2. Forwinparts


Coolant Recovery Reservoir Expansion Tank + Cap+ Sensor for BMW X3 X5 E46 E53 E83 323i 328i 325i 330i 17117573781 1999 2000 2001 2002 2003 2004 2005 2006

Forwinparts #ad - If you have any questions during the One year warranty period, please feel free to contact us for return or exchange. Warranty one year warranty. Oem no. 17137787039, s49002, frt1901c, 17117573781, epk0018, 17111436413, ept0018, 17132247553, 603-535.

It helps to reduce oil dilution, cylinder bore wear, fuel consumption, exhaust emissions, and improve the efficiency of the heating system. Includes expansion tank 1 piecematerial: plastic; color: black; height: 364 mm; length: 107 mm; Mounting Hole Quantity: 1; Pressurized: Yes, Cap 1 piece and Coolant Level Sensor 1 pieceMaximum Pressure Rating: 30 PS; Type: Spring Loaded Twist.

Application coolant recovery reservoir expansion tank with cap with sensor for bmw e46 series 2001-2005 320i 2000 323ci 328ci 1999-2000 323i 328i 2001-2006 325ci 330Ci 2001-2005 325i 325xi 330i 330xi; BMW E83/E53 Series 2004-2010 X3 2001-2006 X5. Function the use of safe and high-quality plastic materials can withstand overheating and vibration.
BrandForwinparts #ad
ManufacturerBixian Auto Parts #ad
Height5.28 Inches
Length15.35 Inches
Width5.51 Inches
Part NumberUSX--DXS49002C
Warranty6-month Warranty

3. A-Premium


A-Premium Engine Coolant Overflow Recovery Reservoir Tank with Sensor & Cap Replacement for BMW E46 320i 323i 323Ci 325i 325Ci 325xi 328i 328Ci 330i 330Ci 330xi 1999-2006

A-Premium #ad - If the product has any quality problem, please contact us at any time, such as damage or is not suitable for your car, and we will give you a satisfactory answer. Functionusing safe and high quality plastic materials can withstand excessive heat and vibration.

Specificationwith 1 coolant reservoir-material: plastic; color: black; height: 364 mm; length: 107 mm; Mounting Hole Quantity: 1; Pressurized: Yes, 1PC Level Sensor and 1PC Cap-Maximum Pressure Rating: 30 PS; Type: Spring Loaded Twist. Helping to reduce oil dilution, exhaust emission, fuel consumption, cylinder bore wear, and improving efficiency of the heating system.

Buy with confidenceoe replacement coolant expansion tanks, easy to install. Vehicle fitmentcompatible with bmw e46 sseries 320i 2001-2005 2. 2l, 328i 1999-2000 2. 8l, 323ci 2000 2. 5l, 330ci 2001-2006 3. 0l, 323i 1999-2000 2. 5l, e83/e53 series x3 2004-2010 2. 5l/3. 0l, 325ci 2001-2006 2. 5l, 328ci 2000 2.
BrandA-Premium #ad
ManufacturerPremiumpartsWhosale #ad
Part NumberAPET0062C
WarrantyOne Year Unlimited Mileage Quality Guarantee. The guarantee will be only for the cost of the item, we will not responsible for installation or other fees like labor expenses, towing expenses, additional repair expenses or other related expenses.



Coolant Recovery Reservoir Expansion Tank + Cap with Sensor + Thermostat for BMW X3 X5 E46 323 325 328i 330 17117573781 17111437362

NOVAPARTS #ad - If you have any questions, pleae feel free to contact us. Expansion coolant tank kits + thermostat coolant recovery kits for BMW E46 323 325 328 X5 E53 2. 5l 2. 8l 3. 0l. Warranty: 6 Months. Please check the fitment before Buying. High quality oem Replacement Part; Aftermarket Products.
ManufacturerYupin Auto Parts Co.; Ltd. #ad
Part NumberUSB-17117573781 Kits
Warranty180 Days Manufacturer Replacement Against Products Defects.



KARPAL Radiator Coolant Recovery Expansion Overflow Tank Reservoir and Sensor and Cap and Clip 17117573781 Compatible With E46 E83 E53 323i X3

KARPAL #ad - Specification: directly replace oem components and Will Fit Exactly Compatible with Easy Installation. Warranty: 1 year Unlimited Mileage Warranty.

Compatible with bmw 323ci x3 328ci 328i 330ci 330i 330xi 323i 325Ci 325i 325xi. Other part number: 603535, frt1901C, S49002. Replacement: oem original equipment part number: 17117573781, 17 11 1 436 413, 17 13 7 787 039, epk0018, ept0018, 376755111, 17117573751, bm3014102, 17132247553, 17111436413, 17137787039, 17 11 1 712 669, 17111712669, 17111468077, 17 11 7 573 781, 17 13 2 247 553, 17 11 1 468 077, 17 11 7 573 751.1100% brand New in Box. Not remanufactured or Rebuilt. Notice: please check the Description and Compatibility Chart before Your Purchasing.
BrandKARPAL #ad
ManufacturerKARPAL #ad
Part Number1KPBM0607002

6. Topaz


TOPAZ 17111742231 Radiator Coolant Overflow Reservoir Expansion Tank Cap Cover for BMW E36 E32 E34 E46 X3 X5 Z4 Z3 Z8

Topaz #ad - Replacement oem original equipment part number: 17111742231, cpe0030p, 17117639022, 17 11 1 742 231, 17 11 7 639 022, 376743451. For bmw e30 e32 e34 e36 e38 e39 e46 e52 e53 e65 e66 e83 e85 e86 x3 x5 z3 z4 z8. Easy Installation. Aftermarket product with premium quality. 1 years warranty, quality tested In Factory To Ensure Trouble-Free Installation, Performance, And Durability. Enhance performance. Other part number: 0247, 603-535, 603535. High Reliability. Perfect match for the Original Car. Please verify Fitment or Application.
BrandTopaz #ad
ManufacturerTOPAZ #ad
Part NumberCPOT1211001



BOXI Radiator Coolant Tank Overflow Expansion Bottle Reservoir with Sensor without Cap Replacement for BMW E46 / E53 / E83 17117573781

BOXI #ad - Keep your engine at the right temperature under a variety of conditions. Important*** to verify fitment. Designed and manufactured to match OEM parts. Complete and ready for installation, no modifications required. Please see Product Description. Quality tested to ensure trouble-free installation and performance.
BrandBOXI #ad
ManufacturerShangHai BOXI Auto Parts Co., Ltd. #ad
Part NumberBX00900003-1

8. Lamerto


Lamerto Radiator Coolant Overflow B-M-W E46 Expansion Tank with Sensor and Cap 17117573781 Compatible with 1999-2008 B-M-W E46 E83 E53 3-Series 323i X3 X5 603-535

Lamerto #ad - If this piece of plastic container fails, a domino effect of system failures could unravel along the way. Replacment oem part numbers: 17117573781 ; 17137573781 ; 17137787039 ; 17132247553 ; 17111436413 ; bm3014102 ; 603-535 ; EPK0018.

Fitment vehicles: 2000 323ci, 2001-2006 325ci, 1999 328i, 2000 328ci, 1999-2000 323i, 2001-2005 330ci, 2004-2008 x3, 1999-2000 328i, 2001-2005 325i, 2001-2005 330i, 2001-2005 325xi, 2001-2006 X5. Designed and manufactured to match OEM specifications. High-quality reservoir to hold excess cooling agent to help keeping your engine running smoothly. The coolant reservoir is an integral part of your cooling system. The coolant reservoir, also known as a coolant recovery tank, is the plastic container which holds the excess coolant fluid used to cool the engine.

Sensor and Cap are included. You can locate your car’s coolant reservoir either by the cowl blockage or adjacent to the quarter panel or fender near the radiator. A worn-out or damaged coolant reservoir may cause low coolant levels and overheat your engine, so don’t think twice about replacing it.
BrandLamerto #ad
ManufacturerLamerto #ad
Height5.91 Inches
Length15.75 Inches
Width5.91 Inches
Part Number17117573781

9. Gates


Gates 31332 Standard Radiator Cap

Gates #ad - Package dimensions: 7. 111 cms l x 6. 858 cms w x 7. 111 cms H. Package Quantity: 1. Country of Origin: China. Product type: Auto Part.
BrandGates #ad
ManufacturerGates #ad
Height2.8 Inches
Length2.8 Inches
Weight0.2 Pounds
Width2.8 Inches
Part Number31332

10. CRP Automotive


Rein CPE0030P Expansion Tank Cap

CRP Automotive #ad - Designed and manufactured to OEM pressure specifications. 2 years or 24, 000 miles Warranty. Because rein coolant recovery tank caps are an exact match to OE specs they install easily and function properly.
BrandCRP Automotive #ad
ManufacturerRein Automotive #ad
Part NumberCPE0030P