Rein for BMW 3 Series E46 (1999-2005)

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Vent Hose
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T#:594296
Part#: 11157513756
Ships in 1 Business Day
$ 35.75 USD
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Connects the intake manifold to the valve cover
OEM Rein Intake Air Adjustment Unit/DISA Valve - M54 2.5L
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T#:402120
Part#: 11617544806
Ships in 3 Business Days
$ 246.99 USD
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$ 246.99 USD
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Air adjustment unit controls the path of the air in the intake manifold, allowing either a shorter or longer runner length. A common source of trouble causing low RPM sluggishness and accompanied by a clicking sound from the engine bay.
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Upper Oil Separator Vent Tube
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T#:552486
Part#: 11617533399
Ships in 1-2 days
$ 35.99 USD
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Runs from the top of the oil separator up to rear of the intake manifold.

Rein Exhaust Valve - E34, E36, E39, E46, Z3
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T#:379738
Part#: 11341739823
Ships on Jul 28, 2026
$ 20.99 USD
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Replacement exhaust valve

Automatic Transmission Thermostat
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T#:13661147
Part#: 17111437362
Ships on Jul 29, 2026
$ 43.77 USD
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This unit controls the temperature of your automatic transmission fluid
OEM Rein Automatic Transmission Filter Kit - E46 E39 E85
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T#:2935
Part#: 24341423376KIT
Ships on Aug 24, 2026
$ 43.99 USD
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Automatic transmissions are reliable, shift smoothly, and can last without issue so long as they are properly maintained. Over time, the transmission fluid becomes thick and the filter becomes contaminated with small metal particles. This can cause excess wear, high transmission operating temperatures, and eventual failure. To prevent this we recommend changing your filter, fluid, and seals to ensure your transmission continues to operate flawlessly. We recommend filter and fluid changes every 50,000 miles. This filter fits A5S325Z automatic transmissions on BMW E46 323i 323ci 325i 325ci 328i 328ci 330i 330ci . E39 525i 528i 530i. E85 Z4 2.5i Z4 3.0i. This kit includes the transmission filter and gasket.

Kit Contents:

  • 1 x 24341423376 - transmission filter
  • 1 x 24101423380 - gasket for transmission filter

This item fits the following BMWs:
3/2000-2004 E46 BMW 323i 323ci 325i 325ci 330i 330ci
2003-2005 E46 BMW 325i with M56 engine
3/2001-2003 E39 BMW 525i 530i
2003-2006 E85 BMW Z4 2.5i Z3 3.0i

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Transmission Filter Kit
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T#:369365
Part#: A5S325Z
Ships on Aug 24, 2026
$ 42.99 USD
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Rein Front End Link - Left - E46
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T#:403978
Part#: 31356751079
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$ 39.99 USD
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Does not include hardware

Rein Front Control Arm Retainer - Left - E46
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T#:592211
Part#: 31122229623
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$ 58.99 USD
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Includes control arm bushing

OEM Rein CV Boot Repair Kit - Inner - E46 E53
For use on front axles
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T#:12272
Part#: 31607565315
Back Ordered
$ 53.99

This product was last offered at the strikethrough price on
04-15-2026

$ 30.99 USD
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$ 30.99 USD
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This CV boot kit works on both front inner CV joints. Kit includes the following parts;

Boot
Grease
Attaching clamps

BMW Repair Kit Bellows, Interior
This item fits the following BMW Chassis:
E53 48IS,E46,E53 X5

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BMW Intake Air Adjustment Unit/DISA Valve | E39 E46 Z3 - M52tu 2.5L /...
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T#:39059265
Part#: 11611440049
In Stock
$ 163.99 USD
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BMW Intake Air Adjustment Unit/DISA Valve | E39 E46 Z3 - M52 2.5L / 2.8L Engine is designed to regulate airflow into the engine, optimizing performance and fuel efficiency. A faulty DISA valve can cause a variety of issues such as loud noises from the engine bay, hesitation at low RPM, rough idling, and lean codes. If you notice any unusual noise from the valve, it’s important to replace it immediately to prevent further damage. The pin holding the flap can become dislodged and sucked into the motor, causing potentially severe engine damage.

  • Ensures proper airflow into the engine for smoother performance
  • Fixes issues such as rough idle, hesitation, and lean codes
  • Prevents costly engine damage by replacing a faulty DISA valve
  • Easy installation with just four bolts to remove and replace the valve
  • Compatible with BMW E39, E46, and Z3 models with M52 2.5L / 2.8L engines
  • Durable design for long-lasting, reliable performance

Replace your faulty DISA valve to restore engine performance and prevent further damage with this easy-to-install, high-quality replacement part.

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Rein Blower Motor Resistor - E46, E53, E83
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T#:379732
Part#: 64116923204
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$ 94.99 USD
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$ 94.99 USD
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Used to control the speed of the blower motor


Power Steering Pump - LF-20
For vehicles with production date up to 06/2000. BMW used several pumps around this dat... For vehicles with production date up to 09/2001. BMW used several pumps around this dat... For vehicles with production date up to 04/2001. BMW used several pumps around this dat...
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T#:599642
Part#: 32416760036
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$ 282.99 USD
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$ 282.99 USD
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Rein Front End Link - Right - E46
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T#:403977
Part#: 31356751080
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$ 34.99 USD
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Does not includes hardware
Front Control Arm Retainer - Right
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T#:567102
Part#: 31122229624
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$ 58.99 USD
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Includes control arm bushing

OEM Rein Power Steering Return Hose - E46 325/330xi
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T#:362946
Part#: 32416796680
Special Order: No Guaranteed ETA
$ 45.99 USD
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Power steering return hose that is attached to the bottom of the fluid reservoir.

Rein O-Ring - E36, E39, E46, E53, E60, E83, F10, F30, Z3, Z4 ...
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T#:379563
Part#: 11427549573
In Stock
$ 4.99 USD
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7x2.5MM
OEM Rein Air Conditioning O-Ring - E36 E38 E39 E46 E52 E53 E60 E61 Z3...
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T#:361817
Part#: 64508374959
In Stock
$ 9.17 USD
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$ 9.17 USD
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O-Rings are used to seal various items and without them, you might experience a leak in your vehicle. When doing any sort of work on your air conditioning system, be sure to use new O-Rings to ensure a proper seal.
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Rein Intake Valve - E36, E39, E46
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T#:379707
Part#: 11341739822
In Stock
$ 15.99

This product was last offered at the strikethrough price on
06-18-2026

$ 13.99 USD
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$ 15.99

This product was last offered at the strikethrough price on
06-18-2026

$ 13.99 USD
Limited Qty Sale
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Replacement intake valve
Rein Automatic Transmission Oil Pan Gasket - E39, E46, Z4
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T#:12451
Part#: 24341423376
In Stock
$ 12.99 USD
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OIL FILTER:241030

Rein Coolant Bleeder Screw CHW1575 - Priced Each
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T#:591955
Part#: 17111712788
In Stock
$ 4.99 USD
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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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Rein Oversize Valve Guide
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T#:379717
Part#: 11121735533
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$ 9.67 USD
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12.7mm (+0.2mm)
Rein Driveshaft Center Support Bearing
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T#:379700
Part#: 26121225071
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$ 13.50 USD
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$ 13.50 USD
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Commonly referred to as "carrier bearing"
Rein Dipstick O-Ring - E36, E39, E46, E53, E60, E83, Z3, Z4
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T#:6857
Part#: 11431740045
In Stock
$ 7.99

This product was last offered at the strikethrough price on
04-03-2026

$ 7.13 USD
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$ 7.13 USD
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ENGINE O-RING 11431740045


Rein Downpipe Gasket - E39, E46, Z3
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T#:13207
Part#: 18301440183
In Stock
$ 10.99 USD
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FLAT GASKET:188520
Rein Exhaust Manifold Nut
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T#:363427
Part#: 11721437202
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$ 2.03 USD
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This metal nut mounts to the back of the flange on the exhaust manifold towards the engine.
Black Wheel Bolt - Priced Each - Standard Size
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T#:379155
Part#: 36136781150
In Stock
$ 3.99 USD
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$ 3.99 USD
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Standard size - 12x1.5x26mm

Rein Front Bump Stop - E46
For sedan models with sport suspension and a production date from 09/2001 For vehicles with sport suspension and a production date from 04/2001 For coupe models with sport suspension and a production date from 09/2001 For coupe models with sport suspension and a production date from 04/2001
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T#:363437
Part#: 31302290313
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$ 13.99 USD
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$ 13.99 USD
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Bump stops prevent premature damper failure

OEM Rein Oil Cooler Line O-Ring - Multiple BMWs
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T#:15159
Part#: 17222245358
In Stock
$ 4.99 USD
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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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Rein Air Intake Boot - E46, Z3
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T#:555163
Part#: 13541705209
In Stock
$ 17.99 USD
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$ 17.99 USD
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Connects directly to the MAF

Transmission Filter
For sedan models with A5S325Z transmission and production date up to 03/2002. For touri... For vehicles with A5S325Z transmission only, up to 03/2003 production date For vehicles with A5S325Z transmission only, from 03/2000 production date
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T#:350821
Part#: 24341423376
In Stock
$ 24.47

This product was last offered at the strikethrough price on
05-02-2026

$ 19.99 USD
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$ 24.47

This product was last offered at the strikethrough price on
05-02-2026

$ 19.99 USD
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Differential Oil Drain Plug
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T#:27405453
Part#: 33117525064
In Stock
$ 11.99

This product was last offered at the strikethrough price on
05-21-2026

$ 9.99 USD
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$ 9.99 USD
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Rein Sway Bar Bushing - E46
For coupe models with production date from 09/2001 For vehicles with production date from 09/2001 with sport suspension For coupe models with production date from 04/2001 For vehicles with production date from 04/2001 with sport suspension
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T#:402078
Part#: 33556751269
Ships in 1 Business Day
$ 6.99 USD
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$ 6.99 USD
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Fits 23.5mm sway bar only

Oil Pressure Switch (fits most BMWs)
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T#:363
Part#: 12617568480
In Stock
$ 11.99

This product was last offered at the strikethrough price on
04-21-2026

$ 7.39 USD
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$ 7.39 USD
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Having your oil pressure light come on can mean very serious problems. Or it could just be this switch that fails several times over a car's lifespan. By no means should you ignore the warning light but replacing this sensor could be the actual culprit. The other problem with this switch is that oil can leak past its seal. With the oil under a lot of pressure at this point, the oil loss can be a serious concern. It's a simple replacement when doing most oil change work.

This Oil Pressure Switch fits the following BMWs:
1985-1991 E30 318i, 318is, 325e, 325i, M3
1992-1999 E36 318i/is, 325i/is, 328i/is, 323is, M3
1992-1997 E31 840i, 850i
1988-1994 E32 735i, 735iL, 740i, 740iL
1989-1995 E34 525i, 530i, 535i, 540i, M5
1995-2001 E38 740i, 740iL, 750i, 750iL
1996-2002 Z3 Roadster/Coupe 1.9, 2.3, 2.5, 2.8, 3.0, 3.2
1997-2003 E39 525i, 528i, 530i, 540i, M5
1999-2005 E46 323, 325, 328, 330, M3
2000-2003 Z8 roadster
2001-2006 E53 X5 X5 3.0i, X5 4.4i, X5 4.6is, X5 4.8is
2002+ E65/E66 745i, 745li, 750i, 750li, 760i, B7 Alpina
2003+ Z4 Roadster/Coupe Z4 2.5, 3.0, 3.0si
2004+ E60 525i, 530i, 535i, 545i, 550i, M5
2005+ E63/E64 645Ci, 650i, M6
2005+ E83 X3 X3 2.5, X3 3.0
2006+ E90/E92 325, 328, 330, 335
2007+ E70 X5 X5 3.0i, X5 4.8i
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BMW Crankcase Pressure Regulator Valve
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T#:46478579
Part#: ABH0263
In Stock
$ 23.99 USD
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$ 23.99 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 Heater Hose - E46 BMW
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T#:362531
Part#: 64218363198
Ships in 3 Business Days
$ 9.58 USD
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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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OEM Rein Expansion Tank Cap - BMW E32 E34 E36 E38 E39 E46 & More ...
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T#:340541
Part#: 17111742231
In Stock
$ 17.99 USD
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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 Silicone Vacuum Hoses - Blue - 3 Feet
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T#:378472
Part#: 11731259996-1
In Stock
$ 6.11 USD
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Replace your cracked or frayed vacuum lines. 3.5mm
OEM Rein Camshaft / Crankshaft Sensor O-Ring - Multiple BMWs ...
Cam sensor - intake or exhaust side
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T#:12463
Part#: 12141748398
In Stock
$ 4.99

This product was last offered at the strikethrough price on
06-29-2026

$ 2.75 USD
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$ 2.75 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 Copper Exhaust Lock Nut
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T#:348775
Part#: 11621711954
In Stock
$ 1.95 USD
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Flange copper nut - priced each

Rein Copper Exhaust Lock Nut is an essential component for anyone looking to maintain or upgrade their vehicle’s exhaust system. This high-quality copper nut ensures a secure and durable fastening, preventing exhaust leaks and ensuring optimal performance. Designed for heat resistance and durability, the Rein Copper Exhaust Lock Nut is perfect for high-temperature environments, making it ideal for both daily drivers and high-performance vehicles.

Turner Motorsport offers this premium copper exhaust lock nut, which is resistant to corrosion and rust, providing long-lasting reliability. Whether you're a professional mechanic or a DIY enthusiast, this copper lock nut is easy to install and ensures the proper fit and function of your exhaust system.

  • Made from high-quality copper for maximum durability
  • Heat and corrosion-resistant to withstand extreme temperatures
  • Perfect for maintaining or upgrading your exhaust system
  • Ensures a secure, leak-free connection
  • Available at Turner Motorsport for easy purchase
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Rein Cloth Braided Fuel/Vacuum Hose - Black - 1 Meter
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T#:363139
Part#: N203531-1
In Stock
$ 12.99 USD
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Replace your cracked or frayed fuel or vacuum lines. 3.5mm ID
Rein Jack Pad - E46, E52, E63, E64, E65, E66, E83, Z4
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T#:379803
Part#: 51718268885
In Stock
$ 14.85 USD
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$ 14.85 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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Rein - Crankcase Vent Hose E46 Z3 M Roadster, E46 Z3 M Coupe ...
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T#:34181269
Part#: 11157831311
In Stock
$ 11.99 USD
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Crankcase Vent Hose ABV0329 is an essential component designed for BMW engines, ensuring optimal performance of the crankcase ventilation system. This high-quality vent hose plays a critical role in regulating and redirecting excess gases from the crankcase back into the engine's intake, reducing harmful emissions and preventing pressure buildup. Crankcase Vent Hose ABV0329 helps maintain engine efficiency and protects against potential damage caused by over-pressurization or oil leaks.

Made from durable, heat-resistant materials, this hose is built to withstand the high temperatures and pressures common in BMW engines. It is a direct-fit replacement, making installation simple and efficient for both professionals and DIY mechanics. Available from Turner Motorsport, Crankcase Vent Hose ABV0329 is the perfect solution for restoring and maintaining your BMW’s crankcase ventilation system.

Key Benefits:

  • Ensures proper crankcase ventilation for optimal engine performance
  • Reduces harmful emissions by redirecting excess gases into the intake
  • Prevents pressure buildup and protects against oil leaks
  • Constructed from durable, heat-resistant materials for long-lasting reliability
  • Direct-fit replacement, ensuring easy installation for various BMW models
  • Available from Turner Motorsport, a trusted source for BMW performance parts
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Rein Self-Locking Nut
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T#:12678
Part#: 18301737774
In Stock
$ 4.99 USD
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Be sure to install new hardware with your new parts to ensure proper tightening and fitment. This is an M10 self-locking nut, used in various locations in the vehicle. Be sure to check for proper size and application prior to ordering.
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Rein Rear Bumpstop - E36, E46
For sedan models with standard suspension with production date up to 09/2001 For vehicles with production date up to 03/2002 For coupe models with standard suspension with production date up to 09/2001. For conve... For vehicles with standard suspension with production date up to 04/2001 For vehicles with standard suspension
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2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Rein - Corporate Logo
T#:592428
Part#: 33502290318
Ships in 3 Business Days
$ 14.99 USD
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$ 14.99 USD
Free Shipping on orders $49 and up
Protects damper from premature failure

Rein Rear Bump Stop - E46
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!
Rein - Corporate Logo
T#:592429
Part#: 33502290319
Back Ordered
$ 11.99 USD
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$ 11.99 USD
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Rubber stop for strut travel - One required per side
Rein Sway Bar Bushing - 24 mm - Z4 E46
For vehicles with sport suspension and production date up to 04/2001 For vehicles with sport suspension only For vehicles with sport suspension and production date up to 09/1999 For touring models with sport suspension. Also for sedan models with sport suspension a... For convertible models with sport suspension. Also for coupe models with standard suspe... For convertible models with sport suspension. Also for coupe models with standard suspe...
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2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
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T#:593229
Part#: 31351094556
Ships in 1 Business Day
$ 13.05 USD
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$ 13.05 USD
Free Shipping on orders $49 and up
Rein Exhaust Joint Sleeve Bushing 8mm EXB0045 - Priced Each
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T#:34214751
Part#: 18207546579
In Stock
$ 4.88 USD
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The Rein Exhaust Joint Sleeve Bushing 8mm EXB0045 is a premium-quality part designed to ensure a secure and reliable connection in BMW exhaust systems. Manufactured by Rein, this 8mm diameter sleeve bushing is built to withstand high heat and vibration, providing long-lasting durability and maintaining the efficiency of your BMW’s exhaust flow. Perfect for replacing worn-out components, this bushing enhances exhaust system stability and prevents leaks, ensuring your vehicle runs smoothly.

Available through Turner Motorsport, the Rein Exhaust Joint Sleeve Bushing 8mm EXB0045 is designed to meet or exceed OEM specifications, making it ideal for BMW owners looking to restore their vehicle’s performance. Whether you're a professional mechanic or a DIY enthusiast, this exhaust bushing is easy to install and helps maintain optimal performance in high-stress conditions.

Benefits:

  • Precision fitment: Specifically engineered for an 8mm diameter, ensuring a seamless fit for BMW exhaust systems.
  • Durable materials: Made from high-quality materials that resist heat, pressure, and wear over time.
  • Leak-proof seal: Helps prevent exhaust leaks, maintaining efficient exhaust flow and reducing noise.
  • Vibration dampening: Reduces vibrations and noise for a smoother, quieter driving experience.
  • Available at Turner Motorsport: Trusted source for high-quality BMW parts and accessories.

Upgrade your BMW’s exhaust system with the Rein Exhaust Joint Sleeve Bushing 8mm EXB0045, ensuring a durable, leak-free connection that enhances overall performance.

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Rein Aluminum Power Steering Pump Pulley - E36, E46 , E39, E83, E53, ...
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T#:53750207
Part#: PKP0124
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New Item
$ 41.99 USD
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$ 41.99 USD
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Upgrade the Plastic Pulley in Your BMW with an All Aluminum Construction Replacement from Rein
Vibration Damper
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!
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T#:38195378
Part#: 11231438995
Ships in 3 Business Days
$ 112.99 USD
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