Bremmen Parts for BMW X Series E53 (2000-2006)

Bav Auto Coolant Expansion Tank - E53 X5, Z3 2.3 2.5i 2.8 3.0i ...

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T#:640497

Part#: 17107514964

In Stock

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05-03-2026

$ 32.00 USD

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This radiator expansion tank is used on E53 X5 4.4i and 4.6is with M62 engine, and Z3 2.3 2.5i 2.8 3.0i from 1999-2002. It is a common failure item as the plastic weakens over time and stress cracks will lead to coolant leaks. We have found that the expansion tanks should be replaced based on age as well as condition. Expansion tanks seem to have a lifespan of less than six years before they show signs of fatigue and wear. Pre-emptively replacing the expansion tank as part of an overall maintenance plan can prevent you from getting stranded from a sudden failure later on. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Thermostat - 105C

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T#:15511827

Part#: 11537502779

Ships on Sep 28, 2026

Sale - Save 3% $ 46.99

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$ 45.58 USD

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If your vehicle is experiencing cooling issues, chances are the thermostat is the cause. Common symptoms include prolonged warm-up at highway speeds from the thermostat being stuck open, or consistent overheating issues from the thermostat being stuck in the closed position. Either condition can result in poor performance, and potential damage to vital components in your vehicle.

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M62 Aluminum Valve Cover - Right (1-4)

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T#:45210363

Part#: 11121703172M

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$ 204.00 USD

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N62 Aluminum Valve Cover - Right (1-4)

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T#:47953860

Part#: 11127563474M

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$ 244.79 USD

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Cartridge Gun

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T#:22558980

Part#: 81435A5C432

Ships on Sep 30, 2026

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$ 45.50 USD

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50ml Dispensing Gun

Bremmen Engine Fan Blade - 11 Blades, 420mm - BMW M30 S38 M50 M52 S5...

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T#:640149

Part#: 11521712058

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$ 18.76 USD

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This fan is driven by the serpentine belt, engaged by the fan clutch. If you have bad motor mounts, it's quite common for the blades of this fan to make contact with the radiator or radiator shroud, essentially self-destructing the fan into many pieces. Be sure to get a new fan clutch, while you are replacing this.

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Oil Pump Chain

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T#:26271802

Part#: 11417576915

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$ 9.50 USD

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Front Lower Control Arm - Right

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T#:52797706

Part#: 31126760276

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Bremmen Engine Oil Drain Plug - BMW E31 E34 E38 E39 E53

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T#:640160

Part#: 11131742994

Special Order: No Guaranteed ETA

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$ 2.44 USD

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This Bremmen replacement oil drain plug with washer is perfect to replace your old beat up or stripped oil plug for easy removal and oil changes.

Bremmen Sky Blue Relay - Multiple BMWs

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T#:639910

Part#: 61366915327

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$ 12.84 USD

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Commonly used in multiple BMWs, usually controlling fuel pump operation.

Valve Cover Gasket Set

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T#:56978007

Part#: 11127513194

Ships on Dec 24, 2026

$ 55.99 USD

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Valve Cover Gasket Set

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T#:57267777

Part#: 11120030496

Ships on Dec 29, 2026

$ 29.99 USD

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Bavarian Autosport Turn Signal Stalk - E46, E39, E39, E53, E83, Z4 ...

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For vehicles with OBC (on-board computer)

T#:579863

Part#: 54364

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$ 64.79 USD

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Easy fix for a common failure. Over time, the wiring for the OBC button breaks down and becomes inoperable. If you can't access your on-board computer, this replacement from Bavarian Autosport is sure to get it working again.

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Valley Pan Cover

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T#:2332903

Part#: 11141742042

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$ 66.85 USD

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If your vehicle has started leaking coolant around the intake area and it is not the pipes it is probably the valley pan. Gasket included.

Timing Chain Tensioner

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T#:26305083

Part#: 11311439552

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$ 41.61 USD

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Timing Chain Tensioner Rail - Lower

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T#:26305072

Part#: 11317533462

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02 SENSOR BUNG (WELD-ON TYPE) 304 STAINLESS STEEL (M18x1.5mm) ...

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T#:47439371

Part#: 02SB1815

Ships on Apr 1, 2027

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$ 2.44 USD

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Easily add an oxygen sensor to your custom exhaust setup with this universal O2 sensor bung. Designed for simple weld-on installation, it allows you to place your sensor exactly where you need it—perfect for custom builds, exhaust modifications, or performance tuning projects.

Features:

CNC-cut from T304 Stainless Steel for corrosion resistance
Threaded for M18x1.5mm RH oxygen sensors

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Bremmen Parts Auxiliary Water Pump Hose - E53

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T#:1195928

Part#: 11537505949

Back Ordered

Sale - Save 3% $ 110.15

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$ 106.85 USD

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Used for the additional water pump

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Bremmen Parts for BMW X Series E53 (2000-2006)

Sub-Categories

Bav Auto Coolant Expansion Tank - E53 X5, Z3 2.3 2.5i 2.8 3.0i ...

Thermostat - 105C

M62 Aluminum Valve Cover - Right (1-4)

N62 Aluminum Valve Cover - Right (1-4)

Cartridge Gun

Bremmen Engine Fan Blade - 11 Blades, 420mm - BMW M30 S38 M50 M52 S5...

Oil Pump Chain

Front Lower Control Arm - Right

Bremmen Engine Oil Drain Plug - BMW E31 E34 E38 E39 E53

Bremmen Sky Blue Relay - Multiple BMWs

Valve Cover Gasket Set

Valve Cover Gasket Set

Bavarian Autosport Turn Signal Stalk - E46, E39, E39, E53, E83, Z4 ...

Valley Pan Cover

Timing Chain Tensioner

Timing Chain Tensioner Rail - Lower

02 SENSOR BUNG (WELD-ON TYPE) 304 STAINLESS STEEL (M18x1.5mm) ...

Bremmen Parts Auxiliary Water Pump Hose - E53

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