Rein for BMW Z Series E85/6 (2003-2008)

Rein Coolant Hose - E60, E61, E70, E82, E83, E88, E90, E91, E92, E93,...

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T#:348982

Part#: 11537521049

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$ 17.09 USD

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Connects from the water pump to the thermostat

BMW Crankcase Pressure Regulator Valve

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T#:46478579

Part#: ABH0263

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$ 22.35 USD

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BMW has an ongoing issue with oil separators freezing in cold weather if driving is done before the vehicle is fully warmed up. There is often a howling noise followed by numerous oil leaks. The crankcase breather valve is used to purge the oil vapor from the engine block into the valve cover. However, sometimes condensation can cause it to freeze, causing the entire oil separator system to fail, crack, and disintegrate. Replace this and all the other components of the oil separator system to prevent damage to all the aspects of your engine. As long as you have everything off, you can rest assured that new parts will last and be reliable.

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Rein Cloth Braided Fuel/Vacuum Hose - Black - 1 Meter

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T#:363139

Part#: N203531-1

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$ 12.34 USD

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Replace your cracked or frayed fuel or vacuum lines. 3.5mm ID

Rein O-Ring - E36, E39, E46, E53, E60, E83, F10, F30, Z3, Z4 ...

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T#:379563

Part#: 11427549573

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$ 3.87 USD

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7x2.5MM

OEM Rein Oil Cooler Line O-Ring - Multiple BMWs

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T#:15159

Part#: 17222245358

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This is the sealing o-ring used for many oil cooler kits on various BMW models. They're also a prime source for oil leaks because the o-ring gets 'flat' or shrinks or becomes damaged. These are usually easy to change though which puts an end to annoying small oil leaks.

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OEM Rein Camshaft / Crankshaft Sensor O-Ring - Multiple BMWs ...

Cam sensor - intake or exhaust side

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T#:12463

Part#: 12141748398

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$ 2.61 USD

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This is the o-ring used for most BMW camshaft sensors and crankshaft sensors. Although most sensors that we sell come with this o-ring at no charge, they may be the source of oil or fluid leaks.

Rein Exhaust Manifold Nut

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T#:363427

Part#: 11721437202

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$ 1.93 USD

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This metal nut mounts to the back of the flange on the exhaust manifold towards the engine.

60mm Exhaust Sleeve With Dual Clamps - Priced Each

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T#:38351607

Part#: 1K0253141N

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

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T#:340541

Part#: 17111742231

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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.

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Rein Automatic Transmission Oil Pan Gasket - E39, E46, Z4

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T#:12451

Part#: 24341423376

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OIL FILTER:241030

Rein Coolant Bleeder Screw CHW1575 - Priced Each

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T#:591955

Part#: 17111712788

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Coolant Bleeder Screw is a critical component for maintaining your BMW’s cooling system. Designed to release trapped air from the coolant lines, this screw ensures efficient coolant flow and prevents overheating. Specifically engineered for BMW models, it enhances the overall performance and longevity of your engine by maintaining proper temperature regulation. Comes with O-Ring.

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BMW Transmission Pan Bolt Kit - 13pc

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T#:46616006

Part#: 24115B44CF5

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$ 15.31 USD

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Keep your transmission oil pan sealed tight and leak-free with a fresh set of Rein bolts.

Rein Oversize Valve Guide

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T#:379717

Part#: 11121735533

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$ 9.19 USD

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12.7mm (+0.2mm)

Oil Filler Cap - E90 E92 E60 F10 F01 E83 F25 F70

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T#:384806

Part#: 11127560482

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This Genuine BMW oil filler cap comes inscribed with "BMW Castrol" and is a direct replacement for many late model BMW's.

This item fits the following BMWs:
2008-2013 E82 BMW 128i
2008-2010 E82 BMW 135i
2011 E82 BMW 1M Coupe
2006-2011 E90 BMW 328i 328xi 328i xDrive - Sedan
2006-2010 E90 BMW 335i 335xi 335i xDrive - Sedan
2006-2012 E91 BMW 325xi 328i 328xi 328i xDrive - Wagon
2007-2013 E92 BMW 328i 328xi 328i xDrive - Coupe
2007-2010 E92 BMW 335i 335is 335xi 335i xDrive - Coupe
2007-2013 E93 BMW 328i Convertible
2007-2010 E93 BMW 335i 335is - Convertible
2007-2010 E60 BMW 528i 528xi 528i xDrive 535i 535xi 535i xDrive
2011 F10 BMW 528i
2006-2010 E83 BMW X3 3.0i X3 3.0si
2007-2013 E70 BMW X5 3.0si X5 xDrive30i
2008-2010 E71 BMW X6 xDrive35i
2006-2008 E85 BMW Z4 3.0i Z4 3.0si
2009+ E89 BMW Z4 sDrive30i Z4 sDrive35i Z4 sDrive35is

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OEM Rein Shifter Ball Bushing - Multiple BMWs

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T#:362834

Part#: 25111220600

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$ 7.19 USD

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This bushing is the point where the shifter arm pivots. If you are experiencing excess play in your shifter, this could be the cause. Worn out shifter ball bushings allow too much movement from wear over time.

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Rein Jack Pad - E46, E52, E63, E64, E65, E66, E83, Z4

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T#:379803

Part#: 51718268885

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$ 14.11 USD

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The bottom of your BMW has mounting holes specifically designed for these factory jack pads. Simply press these into the holes & they will stay in place. These pads give a really nice surface to place your jack on. Makes it safer to work under your vehicle by giving a secure, stable place to put your jack. A great way to protect fragile sheet metal from distortion or crushing when on a jack or lift.

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Transmission Filter

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T#:350821

Part#: 24341423376

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$ 24.47

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$ 19.99 USD

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$ 24.47

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OEM Rein VANOS Adjuster Bolt - BMW N52 N54 N55 S55

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T#:45791744

Part#: 11367524954

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$ 8.45 USD

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The VANOS camshaft adjuster bolt is a single-use item that needs to be replaced any time it is removed. This replacement OEM Rein bolt is the perfect option to get your VANOS system reassembled and your BMW back on the road.

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Rein Return Pipe - E39, E46, E53, E60, E83, Z3, Z4

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T#:375092

Part#: 11617504536

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$ 18.99 USD

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Runs from the intake manifold back to connecting hose

Rein Fuel Injector O-Ring - E23, E24, E28, E30, E31, E32, E34, E36, E...

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T#:362382

Part#: 13641730767

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$ 5.86 USD

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Located on nozzle end of injector

Rein Oil Filter Housing Cap

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T#:17738379

Part#: 11421744000

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$ 24.69 USD

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Rein's OE equivalent oil cap prevents moisture and debris from entering and contaminating the system.

Rein Transmission Pan Bolt - M6X28.5mm - BMW

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T#:45723150

Part#: 24117552108

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$ 2.51 USD

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Prevent leaks from the transmission oil pan with brand new bolts from Rein NOTE: These bolts are priced each - The required quantity for each vehicle may change based on the specific transmission and oil pan shape. If you are unsure of how many you need for your BMW, please contact our sales team for assistance.

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OEM Rein Oil Filter Cap - BMW N20 N52 N54 N55

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T#:46134810

Part#: CPL0054

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$ 26.63 USD

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Over time, has the cap for your oil filter housing become harder to remove? Using the wrong tool can round the top of the cap, making removal harder each time. Replace your old cap and seal to ensure your engine is leak-free. We recommend pairing this with the Schwaben Oil Filter Cap Tool (T#371924) to make installation and removal easier.

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Rein Lower Front Control Arm - Right - E46, Z4

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T#:584176

Part#: 31126777852

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05-07-2026

$ 218.21 USD

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Refresh your suspension

Oil Separator Valve

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T#:594299

Part#: 11617531423

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$ 114.77 USD

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The oil separator can be replaced on its own but for a complete service we also recommend replacing the oil separator hoses and cleaning the valve cover. Any valve cover or intake manifold work should include a new oil separator valve.

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Rein Sway Bar Bushing - 24 mm - Z4 E46

For vehicles with standard suspension only

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T#:593229

Part#: 31351094556

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$ 12.40 USD

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General Purpose Hose Clamp - Priced Each

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T#:592737

Part#: 07129952104

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$ 5.80 USD

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OEM Rein Coolant Hose - E60 E61 E83 Z4

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T#:583591

Part#: 11537519494

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$ 18.04 USD

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Attaches from inlet pipe to heat exchanger. Over time, coolant hoses begin to get brittle and are susceptible to cracking and splitting. Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.

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Rein Cloth Braided Fuel/Vacuum Hose - Black - 20 Meter

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T#:378471

Part#: N203531-20

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$ 345.34 USD

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Replace your cracked or frayed fuel or vacuum lines. 3.5mm ID

Rein Silicone Vaccum Hose - Black - 65 Feet

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T#:378475

Part#: 5173125797120BLK

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$ 166.75 USD

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Replace your cracked or frayed vacuum lines. 3.5mm

Hose - From Oil Separator to Oil Dipstick Tube - E46 E39

For use in cold climates

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T#:2879

Part#: 11157532629

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$ 10.44 USD

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This is the updated hose that goes from the Crankcase Oil Separator Valve to the oil dipstick tube. This tube tends to get plugged with oil sludge and becomes brittle and cracks. It fits E46 323i 323ci 325i (M54) 325ci (M54) 325xi 328i 328ci 330i 330ci 330xi - E39 525i 530i - E60 525i 530i 2004-2005 - X3 2.5i 3.0i 2004-2006 - Z3 2.5i 3.0i - Z4 2.5i 3.0i 2003-2006.
In german, Rein means Pure. In the automotive industry the Rein name has quickly come to represent quality. With fitments for some of the world’s finest automobiles including BMW and Mini and guaranteed OE quality, Rein is a name you can trust.

This item fits the following BMWs:
2001-2005 E46 BMW 325i 325ci 325xi Only for cars with M54 engine
1999-2005 E46 BMW 323i 323ci 328i 328ci 330i 330ci 330xi
2001-2003 E39 BMW 525i 530i
2004-2005 E60 BMW 525i 525xi 530i 530xi
2004-2006 E83 BMW X3 2.5i X3 3.0i
2001-2002 Z3 BMW Z3 2.5i Z3 3.0i
2003-2005 Z4 BMW Z4 2.5i Z4 3.0i

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Water Pump

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T#:46478542

Part#: WPR0046

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$ 755.36 USD

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Don't take your car's cooling system for granted. A waterpump failure can cost you an engine, which is why preventatively replacing your BMWs waterpump and refreshing the cooling system every 60,000 miles. The water pump is a weak point is the cooling system. Replacing your waterpump will go a long way for keeping your car on the road and operating properly. This water pump fits many 2006 and newer BMW 6 cylinder engines, specifically all the BMWs with the N51, N52, N53 engines. You will also need to purchase replacement aluminum screws Part #11510392553

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Motor Mount Bolt Set

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T#:592053

Part#: 22110392551

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$ 15.68 USD

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Used to secure the motor mount brackets, one time use bolts!

Rein Radiator Hose - Lower - Z4

For roadster models with production date from 04/2004

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T#:386347

Part#: 17127535591

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$ 56.99 USD

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Keep your cooling system leak free

BMW Aluminum Bolt

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T#:46478545

Part#: 23000417164S

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$ 6.76 USD

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This is a single-use bolt and should be replaced every time it’s removed. Don’t let a major repair come to a halt because you’re missing the proper hardware.

Piston Ring - Priced Per Piston | BMW M54 3.0L Engine

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T#:591606

Part#: 11257506252

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$ 46.54 USD

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Piston Ring - Priced Per Piston | BMW M54 3.0L Engine is a vital component in maintaining proper compression and oil control in BMW M54 3.0L engines. Over time, piston rings experience wear from continuous movement within the cylinder bore, leading to decreased engine efficiency. Worn or damaged rings can result in excessive oil consumption, reduced performance, and visible black or blue smoke from the exhaust. Ideal for engine rebuilds, this high-quality replacement ensures optimal sealing and longevity.

Restores proper compression and oil control for improved engine performance
Reduces oil consumption and minimizes exhaust smoke
Direct-fit replacement for BMW M54 3.0L engine pistons
Manufactured from high-strength materials for durability and longevity
Essential for engine rebuilds and maintaining peak efficiency
Designed to withstand high temperatures and pressures for reliable operation

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Water Pump Service Kit

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T#:57616366

Part#: 115175869251

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$ 1,260.18 USD

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Refresh your cooling setup with full confidence and protect your investment against heat-induced power loss.

Water Pump Service Kit

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T#:57616363

Part#: 115175869259

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Sale - Save 5% $ 1,687.99

This product was last offered at the strikethrough price on
08-31-2026

$ 1,603.14 USD

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$ 1,687.99

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08-31-2026

$ 1,603.14 USD

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Protect your high-performance driving machine from the devastating consequences of thermal overload with the Rein Water Pump Service Kit.

Water Pump Service Kit

2X Entries Into Our F80 M3 Sweepstakes

T#:57616362

Part#: 1151758692550

Ships in 3 Business Days

Sale - Save 5% $ 1,264.99

This product was last offered at the strikethrough price on
08-31-2026

$ 1,201.28 USD

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$ 1,264.99

This product was last offered at the strikethrough price on
08-31-2026

$ 1,201.28 USD

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This CRP/Rein service kit offers an all-in-one overhaul solution designed to restore maximum cooling system integrity.

Water Pump Service Kit

2X Entries Into Our F80 M3 Sweepstakes

T#:57616365

Part#: 115175869253

Ships in 3 Business Days

Sale - Save 5% $ 1,265.99

This product was last offered at the strikethrough price on
08-31-2026

$ 1,202.05 USD

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$ 1,265.99

This product was last offered at the strikethrough price on
08-31-2026

$ 1,202.05 USD

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Engineered to deliver factory-level reliability, the Rein Electric Water Pump Service Kit is an essential maintenance upgrade for your BMW.

Rein Crankcase Ventilation Hose - E39, E46, E60, E83, Z3, Z4 ...

2X Entries Into Our F80 M3 Sweepstakes

T#:359420

Part#: 11157532649

In Stock

Sale - Save 5% $ 11.99

This product was last offered at the strikethrough price on
08-31-2026

$ 11.39 USD

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08-31-2026

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ENGINE VENT HOSE 11157532649

Rein Outer Tie Rod End - Left - E46, Z4

2X Entries Into Our F80 M3 Sweepstakes

T#:592345

Part#: 32106774220

Back Ordered

Sale - Save 5% $ 47.99

This product was last offered at the strikethrough price on
08-31-2026

$ 45.59 USD

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This product was last offered at the strikethrough price on
08-31-2026

$ 45.59 USD

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Replace to reduce steering slop.

Radiator Support Bracket

2X Entries Into Our F80 M3 Sweepstakes

T#:14122755

Part#: 17117514402

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This product was last offered at the strikethrough price on
08-13-2026

$ 7.83 USD

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$ 8.99

This product was last offered at the strikethrough price on
08-13-2026

$ 7.83 USD

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Mounts to top of radiator bracket, 2 per vehicle.

Rein Magnetic Transmission Drain Plug

2X Entries Into Our F80 M3 Sweepstakes

T#:53785537

Part#: HWU0117

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Sale - Save 5% $ 16.99

This product was last offered at the strikethrough price on
08-31-2026

$ 16.09 USD

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$ 16.09 USD

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Magnetic Rein Transmission Plug Features Aluminum Construction with OE Dimensions and Threading. Magnetic Tip for Upgrade over Stock. Lightweight and Durable Construction Designed to Interface Perfectly with Modern Alloy Gear Housings

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Starter Mounting Hardware

2X Entries Into Our F80 M3 Sweepstakes

T#:594380

Part#: 12410392577

Ships in 1 Business Day

Sale - Save 5% $ 10.99

This product was last offered at the strikethrough price on
08-31-2026

$ 10.44 USD

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$ 10.99

This product was last offered at the strikethrough price on
08-31-2026

$ 10.44 USD

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Modern starter and water pump fasteners are torque-to-yield, meaning they stretch and can only be safely used once. Replace your hardware for peace of mind.