Vaico
VAICO

Vaico V20-0723 Engine Crankcase Vent Valve

Brand Vaico V20-0723
Fitting Position Cylinder Head
Height [mm] 80
Housing material Polyamid 6.6
Length [mm] 210
Operating Mode Pressure Controlled
Packaging height [cm] 25,1
Packaging width [cm] 10,2
Part number of recommended accessories V20-2096
Recommended replace interval [km] 60000
Recommended replace interval [years] 3
Valve type Breather Valve
Weight [kg] 0.334
Width [mm] 106
for OE number 11 15 1 703 484
Product line VAICO
Fits BMW · 25 vehicles

Pressure controlled. Breather valve regulates crankcase ventilation flow for consistent operation.

Polyamide 6.6 housing. Durable construction helps resist heat and chemical exposure.

OE direct replacement. Matches the specified OE number for straightforward installation.

Cross-references BENDIX PREMIUM BRAKE SHOES 723, Davico Mfg 19501 and Gates 36771 for the same application. See all 25.

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BMW Crankcase Vent Valve for OE Replacement

The Vaico V20-0723 is a pressure-controlled engine crankcase vent valve for the cylinder head in select BMW applications. It is built for crankcase ventilation service where stable pressure regulation and proper breather function are required.

Use this VAICO breather valve when servicing BMW crankcase ventilation on 1996-2000 BMW 323i, 323is, 328i, 328is, M3, Z3, and 528i applications listed below.

Key Features

  • Engine crankcase vent valve for emission control service
  • Fitting position: cylinder head
  • Pressure controlled operating mode for breather valve function
  • Housing material: Polyamid 6.6
  • Dimensions: 210 mm length, 106 mm width, 80 mm height
  • OE reference: 11 15 1 703 484
  • Recommended replacement interval: 60,000 km or 3 years
  • Recommended accessory part number: V20-2096

Detailed Description

Vaico V20-0723 is an OE-style crankcase ventilation valve intended for BMW engines that use a cylinder-head-mounted breather valve. The pressure-controlled design helps maintain proper crankcase ventilation performance, while the Polyamid 6.6 housing supports durability in underhood conditions. This part number, V20-0723, cross-references common OE and aftermarket listings for the same application, including 11 15 1 703 484 and Gates 36771.

Fits 1998-2000 BMW Z3, N/A; Fits 1998-1999 BMW 323i, N/A; Fits 1998-1999 BMW 323is, N/A; Fits 1996-1999 BMW 328i, N/A; Fits 1996-1999 BMW 328is, N/A; Fits 1996-1999 BMW M3, N/A; Fits 1997-1998 BMW 528i, N/A; Fits 1997 BMW Z3, N/A.

What It Is Used For

  • Replacing a worn or sticking crankcase vent valve
  • Restoring proper crankcase pressure regulation
  • Addressing breather valve service on BMW cylinder-head applications
  • Supporting emission control system maintenance
  • Correcting ventilation-related drivability or oil vapor routing concerns

Installation Notes and Tips

Confirm OE number 11 15 1 703 484 and verify the cylinder head mounting location before installation. Inspect the surrounding crankcase ventilation components and replace related service parts as needed; the recommended accessory part number is V20-2096. Follow the vehicle service procedure for the specific BMW engine application.

Quality Assurance

VAICO supplies OE-style replacement parts for European vehicle service, and this valve is specified with a 60,000 km or 3-year replacement interval for maintenance planning.

This part fits 25 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypeLitersCylindersPositionNotes
2000BMWZ3M Roadster3.2LL6N/AGrade: Aftermarket; Valve only; VAICO
2000BMWZ3M Coupe3.2LL6N/AGrade: Aftermarket; Valve only; VAICO
1999BMW323iConvertible2.5LL6N/ACompatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO
1999BMW323isBase2.5LL6N/AGrade: Aftermarket; Valve only; VAICO
1999BMW328iConvertible2.8LL6N/AGrade: Aftermarket; Valve only; VAICO
1999BMW328is2.8LL6N/AGrade: Aftermarket; Valve only; VAICO
1999BMWM33.2LL6N/AGrade: Aftermarket; Valve only; VAICO
1999BMWZ3M Roadster3.2LL6N/AGrade: Aftermarket; Valve only; VAICO
1999BMWZ3M Coupe3.2LL6N/AGrade: Aftermarket; Valve only; VAICO
1998BMW323i2.5LL6N/ACompatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO
1998BMW323isBase2.5LL6N/AGrade: Aftermarket; Valve only; VAICO
1998BMW328i2.8LL6N/AGrade: Aftermarket; Valve only; VAICO
1998BMW328is2.8LL6N/AGrade: Aftermarket; Valve only; VAICO
1998BMW528i2.8LL6N/ACompatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO
1998BMWM33.2LL6N/AGrade: Aftermarket; Valve only; VAICO
1998BMWZ3M Roadster3.2LL6N/AGrade: Aftermarket; Valve only; VAICO
1998BMWZ3Roadster2.8LL6N/AGrade: Aftermarket; Valve only; VAICO
1997BMW328i2.8LL6N/AGrade: Aftermarket; Valve only; VAICO
1997BMW328is2.8LL6N/AGrade: Aftermarket; Valve only; VAICO
1997BMW528i2.8LL6N/ACompatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO
1997BMWM33.2LL6N/AGrade: Aftermarket; Valve only; VAICO
1997BMWZ3Roadster2.8LL6N/ACompatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO
1996BMW328i2.8LL6N/AGrade: Aftermarket; Valve only; VAICO
1996BMW328is2.8LL6N/AGrade: Aftermarket; Valve only; VAICO
1996BMWM33.2LL6N/AGrade: Aftermarket; Valve only; VAICO
Directly replaces or cross-references 25 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BENDIX PREMIUM BRAKE SHOES — 723Davico Mfg — 19501Gates — 36771MAHLE — 5936AMOOG Chassis Products — K80096Sunsong — 3501412Walker Exhaust — 539681 703 48411 15 1 703 48419B501314 036 0008501 4129036PT4503776111419111135014128AB5014129AB2104501412BX538BX538RBX583RBX723BX723RHPH3690