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Rein for BMW 3 Series E46 (1999-2005)

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Rein Front Sway Bar Bushing - E46

For convertible models with standard suspension For vehicles with standard suspension with production date up to 04/2001 For vehicles with standard suspension For touring models with standard suspension For convertible models with standard suspension. Also for coupe models with standard su...

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T#:363442

Part#: 31351097179

Ships in 4 Business Days

$ 7.13 USD

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$ 7.13 USD

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23mm diameter sway bar

Rein Oil Filter Housing Cap

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T#:17738379

Part#: 11421744000

Ships in 3 Business Days

$ 26.99

This product was last offered at the strikethrough price on
03-26-2026

$ 25.99 USD

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$ 25.99 USD

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

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

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T#:378471

Part#: N203531-20

Ships in 4 Business Days

$ 363.52 USD

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$ 363.52 USD

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

BMW Aluminum Bolt

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T#:46478545

Part#: 23000417164S

Ships in 4 Business Days

$ 7.99 USD

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$ 7.99 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.

Rein Rear Bump Stop - E46

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T#:592429

Part#: 33502290319

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$ 11.99 USD

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Rubber stop for strut travel - One required per side

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

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T#:591606

Part#: 11257506252

Ships in 4 Business Days

$ 48.99 USD

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$ 48.99 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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Rein Lower Front Control Arm - Right - E46, Z4

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T#:584176

Part#: 31126777852

In Stock at Vendor

$ 236.99

This product was last offered at the strikethrough price on
05-07-2026

$ 229.99 USD

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$ 229.99 USD

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Refresh your suspension

Upper Oil Separator Vent Tube

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T#:384805

Part#: 11611440317

Ships in 4 Business Days

$ 20.30 USD

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$ 20.30 USD

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Rein Muffler Clamp - 50 mm for Exhaust Pipes - E39 E46 E53 E60 E61 Z3...

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T#:596304

Part#: 18307560777

Ships in 4 Business Days

$ 27.99 USD

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$ 27.99 USD

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Used to connect exhaust sections

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

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T#:362382

Part#: 13641730767

In Stock at Vendor

$ 6.17 USD

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$ 6.17 USD

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Located on nozzle end of injector

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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T#:592428

Part#: 33502290318

Ships in 4 Business Days

$ 14.99 USD

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$ 14.99 USD

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Protects damper from premature failure

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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T#:593229

Part#: 31351094556

Ships in 3 Business Days

$ 13.05 USD

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$ 13.05 USD

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Bump Stop - Priced Each

For vehicles without sport suspension and a production date up to 04/2001

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T#:375740

Part#: 31331094750

Ships in 4 Business Days

$ 10.99 USD

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$ 10.99 USD

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Suspension part to keep your new shocks in prime condition

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

For use in cold climates

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T#:2879

Part#: 11157532629

In Stock at Vendor

$ 11.99

This product was last offered at the strikethrough price on
03-26-2026

$ 10.99 USD

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$ 10.99 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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Rein Silicone Vaccum Hose - Black - 65 Feet

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T#:378475

Part#: 5173125797120BLK

Ships in 4 Business Days

$ 175.99 USD

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$ 175.99 USD

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Replace your cracked or frayed vacuum lines. 3.5mm

Rein Transmission Input Shaft Seal - E31, E34, E39, E46, E52 ...

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T#:363449

Part#: 23127501328

Ships in 2 Business Days

$ 16.99 USD

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$ 16.99 USD

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A common source of leaks with higher mileage, this seal should be replaced any time a leak is spotted to prevent much more catastrophic repairs.

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

For vehicles with production date from 09/1998 For vehicles with production date from 01/2000

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T#:375092

Part#: 11617504536

In Stock

$ 19.99 USD

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$ 19.99 USD

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Runs from the intake manifold back to connecting hose

General Purpose Hose Clamp - Priced Each

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T#:592737

Part#: 07129952104

Ships in 4 Business Days

$ 6.99 USD

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$ 6.99 USD

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Pressure Hose

For vehicles with production date up to 03/2003

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T#:362278

Part#: 11727555680

In Stock

$ 26.99

This product was last offered at the strikethrough price on
06-05-2026

$ 16.99 USD

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$ 16.99 USD

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Runs from the air pump to the solenoid valve

Rein Differential Drain Plug Gasket

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T#:19654

Part#: 07119963355

Ships in 5 Business Days

$ 2.03 USD

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$ 2.03 USD

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GASKET RING for various sensors and seals.

Rein Air Intake Boot - E39, E46, Z3

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T#:362650

Part#: 13541435627

In Stock

$ 16.99

This product was last offered at the strikethrough price on
06-11-2026

$ 14.99 USD

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$ 14.99 USD

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Connects directly to the throttle body

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

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T#:359420

Part#: 11157532649

In Stock

$ 11.99 USD

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$ 11.99 USD

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ENGINE VENT HOSE 11157532649

Rein Outer Tie Rod End - Left - E46, Z4

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T#:592345

Part#: 32106774220

Back Ordered

$ 47.99 USD

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$ 47.99 USD

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Replace to reduce steering slop.

Oil Cap

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T#:591528

Part#: 11127509328

In Stock

$ 6.51 USD

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$ 6.51 USD

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Includes the sealing gasket

Rein Magnetic Transmission Drain Plug

Fill and drain plug for vehicles with transmission code GS5X37BZ and production date fr... For vehicles with production date from 03/2003

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T#:53785537

Part#: HWU0117

Back Ordered

$ 16.99 USD

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$ 16.99 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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Rein Trailing Arm Bushing - E36, E46, E83, Z4

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T#:379801

Part#: 33326771828

Back Ordered

$ 21.99 USD

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$ 21.99 USD

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Bushing located in the rear lower position of the rear trailing arm

OEM Rein CV Boot Repair Kit - Outer - E46 325xi 330xi, E53

For use on front axles

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T#:369581

Part#: 31607507402

Back Ordered

$ 12.99 USD

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$ 12.99 USD

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This CV boot kit works on both front outer CV joints. Kit includes the following parts: Boot Grease Attaching clamps

Rein Outer Tie Rod End - Right - E46, Z4

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T#:592346

Part#: 32106774221

Back Ordered

$ 21.99 USD

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$ 21.99 USD

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Replace for tighter steering.

Radiator Support Bracket

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T#:14122755

Part#: 17117514402

Special Order: No Guaranteed ETA

$ 8.99 USD

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$ 8.99 USD

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Mounts to top of radiator bracket, 2 per vehicle.

Vibration Damper

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T#:38161721

Part#: 11237513862

Ships in 4 Business Days

$ 92.99 USD

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$ 92.99 USD

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OEM Rein Front Bump Stop - E46 325/330

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#:12471

Part#: 31306757046

Back Ordered

$ 9.17 USD

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$ 9.17 USD

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Bump stops provide a bottoming cushion on rough roads, limiting hydraulic damper travel to prevent suspension bottoming and damage. They also improve ride quality, softening harsh impacts. Replace them when installing new struts.

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Rein Front Control Arm Bushing Set - E46, Z4

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T#:379762

Part#: 31126783376

Back Ordered

$ 112.99 USD

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$ 112.99 USD

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Worn control arm bushings cause several unwanted symptoms that include shaking and vibration through the steering that increases with speed and braking, or noise over bumps.

Rein Lower Front Control Arm - Left - E46, Z4

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T#:584175

Part#: 31126777851

Back Ordered

$ 193.99 USD

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$ 193.99 USD

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Refresh your suspension

Rein Rear Control Arm Bushing - E36, E46, E83, Z4

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T#:363435

Part#: 33321092247

Back Ordered

$ 28.99 USD

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$ 28.99 USD

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Upper control arm to subframe bushing

BMW Radiator Hose Kit - 11537830715

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T#:46719180

Part#: CHK0376R

Back Ordered

$ 43.99 USD

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$ 43.99 USD

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Keep your cooling system sealed, strong, and ready for anything with this Rein radiator hose kit—your all-in-one fix for cracked, leaking, or worn factory hoses. Years of heat, pressure, and age can cause rubber to weaken, split, or swell, setting the stage for coolant leaks and potential overheating. Rein hoses are engineered to meet or exceed OEM standards, built from premium, heat-resistant materials that can take on extreme temperatures and system pressures without faltering. Each hose features factory-correct bends, fittings, and diameters for an exact, hassle-free installation—no cutting or forcing required. Whether you’re tackling a full cooling system refresh or chasing down a small coolant leak, this Rein kit provides everything needed to restore confidence and performance under the hood. Why choose this Rein radiator hose kit: Factory-level precision – Direct-fit replacements that deliver OEM-quality reliability. Built to last – Resists cracking, swelling, and chemical damage from daily heat cycling. Confidence restored – Prevents coolant loss, overheating, and on-road breakdowns. All-in-one upgrade – Includes upper and lower hoses for a complete system refresh. If keeping your BMW’s cooling system running tight and trouble-free is the goal, Rein brings the dependable quality and fitment you can count on—engineered to perform just like factory, mile after mile.

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Rein Foam Bump Stop for Strut - E46

For vehicles with sport suspension

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T#:596083

Part#: 31306757046

Back Ordered

$ 9.90 USD

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$ 9.90 USD

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