Rein for BMW 3 Series E30 (1984-1991)

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OEM Rein Magnetic Differential Oil Drain Plug - M22x1.5 - Most BMW & Mini Models
OEM Rein Magnetic Differential Oil Drain Plug - M22x1.5 - Most BMW &a...
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T#:38890943
Part#: HWU0065
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$ 23.99 USD
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As components in the differential begin to wear, metal particles become loose in the diff fluid, which can lead to excess wear. This magnetic plug pulls these particles out of suspension, helping to reduce wear over time. Replaces BMW # 33117525064
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Rein Driveshaft Center Mount - E30, E32, E34
Rein Driveshaft Center Mount - E30, E32, E34
For vehicles with production date from 09/1987
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T#:375738
Part#: 26121226723
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$ 43.99 USD
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$ 43.99 USD
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Used to support the center of the driveshaft
Rein Power Steering Rack Boot Kit - E30
Rein Power Steering Rack Boot Kit - E30
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T#:379794
Part#: 32131094100
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$ 23.77 USD
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$ 23.77 USD
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Mounts to the steering rack ends
Rein Cloth Braided Fuel/Vacuum Hose - Black - 5 Meter
Rein Cloth Braided Fuel/Vacuum Hose - Black - 5 Meter
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T#:378470
Part#: N203531-5
Ships in 2 Business Days
$ 80.05 USD
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$ 80.05 USD
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Replace your cracked or frayed fuel or vacuum lines. 3.5mm ID
Rein Silicone Vacuum Hoses - Blue - 5 Meters (3.5mm ID)
Rein Silicone Vacuum Hoses - Blue - 5 Meters (3.5mm ID)
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T#:379090
Part#: 11731259996-5
In Stock
$ 38.99

This product was last offered at the strikethrough price on
03-17-2026

$ 33.99 USD
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This silicone hose has an inner diameter of 3.5mm and outer diameter of 7.5mm, is blue in color, and arrives in a 5 Meter section that can be cut down to size.
Rein Piston Ring - Priced Per Piston - E28, E30, E34, E36
Rein Piston Ring - Priced Per Piston - E28, E30, E34, E36
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T#:379806
Part#: 11251713192
Ships in 3 Business Days
$ 30.99 USD
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$ 30.99 USD
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For use on stock pistons, will need 6 sets to replace all piston rings in the engine
Rein Piston Ring Set - Priced Per Piston
Rein Piston Ring Set - Priced Per Piston
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T#:592811
Part#: 11251713178
Ships in 4 Business Days
$ 28.99 USD
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$ 28.99 USD
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Replace your worn rings - 84.000mm
E30 325e/325i Motor Mount
E30 325e/325i Motor Mount
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T#:7085
Part#: 11811132323
Back Ordered
$ 26.99 USD
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$ 26.99 USD
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These are the stock rubber motor mounts for the E30 M20 engine - 325e and 325i. These are the original spec full rubber mounts. The M20 has a fatal flaw especially when the motor mounts are worn. The engine can shift and contact other things in the engine compartment, mostly cooling-related parts. This is especially troublesome on the 1984-1987 models as the alternator belt and blades can cut into the lower radiator hose. Don't neglect your motor mounts! A worn motor mount allows the engine to twist and shift around. The harder you're driving the more shift will occur. Twisting of the engine can also lead to shifting problems as the transmission twists with it. There are countless issues related to worn or compressed motor mounts so don't overlook these as a regular replacement item (every 50,000 miles).

For more serious track or street cars we recommend our HD motor mount kit with reinforcing cups - click here. These are a stiffer mount to begin with (coming from the Euro 635CSi) and the aluminum cups give additional strength especially for the side-side shearing loads that you get from cornering.

These stock rubber motor mounts are sold per mount .

This item fits the following BMWs:
1984-1991 E30 BMW 325e 325es 325i 325ic 325is
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Power Steering Pressure Hose - E30
Power Steering Pressure Hose - E30
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T#:20848126
Part#: 32411134436
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$ 67.99 USD
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$ 67.99 USD
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Replacement for the NLA Genuine power steering hose! Eliminate leaks and prevent power steering issues with this brand new power steering pressure hose from Rein!
Rein Silicone Vacuum Hoses - Black - 5 Meters (3.5mm ID)
Rein Silicone Vacuum Hoses - Black - 5 Meters (3.5mm ID)
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T#:51848535
Part#: 51731257971-5M
In Stock at Vendor
New Item
$ 38.66 USD
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$ 38.66 USD
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This silicone hose has an inner diameter of 3.5mm and outer diameter of 7.5mm, is black in color, and arrives in a 5 Meter section that can be cut down to size.
Rein Rear Crankshaft Seal - E30, E32, E34, E36, E39, E46, E53, E60, E83, Z3, Z4
Rein Rear Crankshaft Seal - E30, E32, E34, E36, E39, E46, E53, E60, E...
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T#:361056
Part#: 11142249533
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$ 22.99 USD
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$ 22.99 USD
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Replace when doing a clutch job.
Rear Bumpstop - Priced Each
Rear Bumpstop - Priced Each
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T#:31589440
Part#: 33502290348
Ships in 4 Business Days
$ 25.99 USD
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$ 25.99 USD
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Rein Thermostat - 88�C - E30, E34, E36, Z3
Rein Thermostat - 88�C - E30, E34, E36, Z3
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T#:591800
Part#: 11537511580
Ships in 4 Business Days
$ 37.99 USD
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$ 37.99 USD
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Common point of failure in the cooling system.
OEM Rein Power Steering Return Hose - E30 M10 M20
OEM Rein Power Steering Return Hose - E30 M10 M20
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T#:583611
Part#: 32411131524
In Stock
$ 24.99

This product was last offered at the strikethrough price on
01-31-2026

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This hose is used to carry the power steering fluid from the reservoir to the steering rack.
OEM Rein Fuel Tank Filler Cap - Multiple BMWs
OEM Rein Fuel Tank Filler Cap - Multiple BMWs
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T#:639082
Part#: 16116750564
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$ 25.99 USD
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Replace your damaged or missing non-locking fuel tank cap with this direct replacement cap.
Rein Piston Rings - Set - Single Piston - E30, E36
Rein Piston Rings - Set - Single Piston - E30, E36
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T#:591604
Part#: 11251727461
Ships in 4 Business Days
$ 31.99 USD
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$ 31.99 USD
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Replace your worn out piston rings with OE replacements - 84.000mm
Rein Power Steering Rack Gasket Set - E30
Rein Power Steering Rack Gasket Set - E30
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T#:379692
Part#: 32131132798
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$ 96.99 USD
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$ 96.99 USD
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Refurbish your steering rack
OEM Rein A/C Evaporator Assembly - E30 BMW
OEM Rein A/C Evaporator Assembly - E30 BMW
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T#:379660
Part#: 64518391780
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$ 289.42 USD
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$ 289.42 USD
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Have a leak in your a/c system but can't find it? The evaporator allows the refrigerant within the a/c system to lose pressure and cool down, allowing it to transfer that chill to the air coming out of the dash vents. If leaking, the a/c system will lose refrigerant and not function how it should.
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OEM Rein Oil Cooler Line O-Ring - Multiple BMWs
OEM Rein Oil Cooler Line O-Ring - Multiple BMWs
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T#:15159
Part#: 17222245358
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$ 4.99 USD
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$ 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 Self-Locking Nut
Rein Self-Locking Nut
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T#:12678
Part#: 18301737774
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$ 4.99 USD
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$ 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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Thermostat Housing to Water Pipe Cooling Hose - E30 325e 325i
Thermostat Housing to Water Pipe Cooling Hose - E30 325e 325i ...
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T#:19253
Part#: 11531718982
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$ 6.55 USD
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$ 6.55 USD
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This is the cooling system water hose that goes from the thermostat housing to the water pipe on E30 3 series.

This item fits the following BMWs:
1988-1991 E30 BMW 325e 325es 325i 325ic 325is 325ix
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Rein Exhaust Valve - Sold Each - E28, E30, E34
Rein Exhaust Valve - Sold Each - E28, E30, E34
For vehicles with production date from 12/1986
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T#:584424
Part#: 11341708896
In Stock
Sale - Save 21% $ 20.99

This product was last offered at the strikethrough price on
12-15-2025

$ 16.65 USD
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Sale - Save 21%
$ 20.99

This product was last offered at the strikethrough price on
12-15-2025

$ 16.65 USD
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Replace your worn valves
Rein Driveshaft Center Support Bearing
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 Thermostat O-Ring (60 X 3.5 mm) - E28 E30 E32 E34 E36 E39 Z3 E23 E24
Rein Thermostat O-Ring (60 X 3.5 mm) - E28 E30 E32 E34 E36 E39 Z3 E23...
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T#:591144
Part#: 11531265084
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$ 2.05 USD
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$ 2.05 USD
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This O-ring seals the thermostat to the cylinder head.
Rein Bump Stop - E30, E34, E38
Rein Bump Stop - E30, E34, E38
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T#:379728
Part#: 31331124449
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$ 9.15 USD
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$ 9.15 USD
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Provides additional support in the front suspension
Rein Front Sway Bar Bushing - E30
Rein Front Sway Bar Bushing - E30
For coupe models only For vehicles with production date from 01/1985 For coupe and sedan models only
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T#:379747
Part#: 31351129139
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$ 11.29 USD
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$ 11.29 USD
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Fits 20mm sway bar only. Made in Germany.
OEM Rein Shifter Ball Bushing - Multiple BMWs
OEM Rein Shifter Ball Bushing - Multiple BMWs
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T#:362834
Part#: 25111220600
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$ 7.57 USD
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$ 7.57 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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Water Pump to Thermostat Cooling Hose - E30 E34 E28
Water Pump to Thermostat Cooling Hose - E30 E34 E28
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T#:6917
Part#: 11531287651
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$ 10.99 USD
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$ 10.99 USD
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Replace your cracked or leaking coolant hose with this radiator coolant hose that goes from the waterpump to the thermostat on cars with the M20 engine. We recommend inspecting cooling system hoses for dry rot / cracks yearly.

This item fits the following BMWs:
1984-1991 E30 BMW 325e 325es 325i 325ic 325is 325ix
1982-1988 E28 BMW 528e
1989-1990 E34 BMW 525i
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Rein Expansion Tank Hose - E12, E21, E23, E24, E28, E30, E32, E34
Rein Expansion Tank Hose - E12, E21, E23, E24, E28, E30, E32, E34 ...
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T#:19431
Part#: 17121712736
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$ 13.99 USD
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$ 13.99 USD
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VENT HOSE 17121712736 Manufactured by CRP

Rein O-Ring - E28, E30, E34
Rein O-Ring - E28, E30, E34
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T#:6693
Part#: 11151714390
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$ 6.99 USD
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$ 6.99 USD
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OEM BMW ENGINE O-RING 11151714390
Rein Exhaust Manifold Nut
Rein Exhaust Manifold Nut
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T#:363427
Part#: 11721437202
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$ 2.03 USD
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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.
Rein Coolant Bleeder Screw CHW1575 - Priced Each
Rein Coolant Bleeder Screw CHW1575 - Priced Each
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T#:591955
Part#: 17111712788
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$ 4.99 USD
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$ 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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Black Wheel Bolt - Priced Each - Standard Size
Black Wheel Bolt - Priced Each - Standard Size
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T#:379155
Part#: 36136781150
In Stock
$ 4.99

This product was last offered at the strikethrough price on
12-15-2025

$ 3.99 USD
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$ 3.99 USD
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Standard size - 12x1.5x26mm
Differential Oil Drain Plug
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 Cloth Braided Fuel/Vacuum Hose - Black - 1 Meter
Rein Cloth Braided Fuel/Vacuum Hose - Black - 1 Meter
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T#:363139
Part#: N203531-1
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$ 12.99 USD
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$ 12.99 USD
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Replace your cracked or frayed fuel or vacuum lines. 3.5mm ID
Rein Oversize Valve Guide
Rein Oversize Valve Guide
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T#:379717
Part#: 11121735533
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$ 9.67 USD
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$ 9.67 USD
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12.7mm (+0.2mm)
OEM Rein Expansion Tank Cap - BMW E32 E34 E36 E38 E39 E46 & More
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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$ 17.99 USD
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$ 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 Coolant Hose - E28, E30, E34
Rein Coolant Hose - E28, E30, E34
For vehicles with production date from 09/1987
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T#:379671
Part#: 13541719966
Ships in 2 Business Days
$ 6.11 USD
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$ 6.11 USD
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Thermostat to throttle housing
Clamping Bush 18307536423
Clamping Bush 18307536423
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T#:19623
Part#: 18307536423
Ships in 4 Business Days
$ 20.99 USD
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$ 20.99 USD
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CLAMPING BUSH 18307536423 Manufactured by CRP

Rein Silicone Vaccum Hose - Black - 65 Feet
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
OEM Rein Transmission Input Shaft Seal - E12 E21 E23 E24 E28 E30 E31 E32 E34 E36 E38 E39 E52 E53
OEM Rein Transmission Input Shaft Seal - E12 E21 E23 E24 E28 E30 E31 ...
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T#:379685
Part#: 24311422671
Ships in 4 Business Days
$ 10.99 USD
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$ 10.99 USD
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The input shaft seal on your transmission ensures that you will not experience any fluid loss from behind the guide sleeve. If you have a leak, be sure to replace it as soon as possible to avoid losing too much fluid, which can ultimately damage your transmission.
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Rein o-ring - E30, E34
Rein o-ring - E30, E34
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T#:379686
Part#: 12611277602
Ships in 4 Business Days
$ 7.13 USD
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$ 7.13 USD
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42x3. Found in the oil pan.
Rein Expansion Tank Cap - E30, E34
Rein Expansion Tank Cap - E30, E34
For vehicles with production date from 09/1987
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T#:592018
Part#: 17137639023
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$ 14.99 USD
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$ 14.99 USD
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1.4 Bar pressure
Rein Fuel Injector O-Ring - E23, E24, E28, E30, E31, E32, E34, E36, E38, E39
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 Aluminum Magnetic Oil Drain Plug - S/N63, M/N62, S/M70, M/N73, N74, M62, M20
Rein Aluminum Magnetic Oil Drain Plug - S/N63, M/N62, S/M70, M/N73, N...
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T#:53750214
Part#: HWU0115
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$ 17.99 USD
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$ 17.99 USD
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Rein Oil Drain Plug with Aluminum Construction, OE Dimensions and Threading. Upgrade Over Stock with a Magnetic tip to collect unwanted debris
Rein Front Camshaft Seal - E28, E30, E34
Rein Front Camshaft Seal - E28, E30, E34
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T#:379646
Part#: 11121285609
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$ 11.99 USD
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$ 11.99 USD
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Found in lower timing cover
OEM Rein Coolant Hose - E30
OEM Rein Coolant Hose - E30
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T#:379799
Part#: 13541719967
In Stock at Vendor
$ 14.06 USD
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$ 14.06 USD
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Fix that leak or replace that old line with this OE replacement!
OEM Rein Upper Radiator Hose - M42 E30 318i/is
OEM Rein Upper Radiator Hose - M42 E30 318i/is
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T#:6953
Part#: 11531717622
In Stock at Vendor
$ 11.99 USD
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$ 11.99 USD
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Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure. This hose replaces the upper radiator hose that connects from the thermostat housing to the radiator inlet.

OEM Rein radiator hoses are always a perfect option when performing maintenance thanks to their high quality and longevity.

This item fits the following BMWs:
E30 BMW 318i, 318i Convertible, 318is

Fits BMW Engines including:
M42

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Rein Intake Gasket - E30, E34
Rein Intake Gasket - E30, E34
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T#:591832
Part#: 11611726010
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$ 4.99 USD
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$ 4.99 USD
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4 required
OEM Rein Rocker Arm Shaft Plug - E28 E30 E34
OEM Rein Rocker Arm Shaft Plug - E28 E30 E34
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T#:583592
Part#: 11331264519
In Stock at Vendor
$ 6.11 USD
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$ 6.11 USD
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This is an OEM Rein replacement rocker arm shaft plug, also referred to by BMW as a Blind Plug. This plug connects to the end of the rocker arm shafts. 4 required per vehicle. Replace your old plugs to keep everything properly sealed.
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