Skip to content
FREE SHIPPING on US orders over $75 (oversize excepted) • Quality used E36 & E46 parts • Every part inspected & graded
Genuine BMW
BMW Part Number11 15 7 520 035

Return pipe

09/1998–01/2000 · one of 2 types

Out of stock

One email when it is listed. Nothing else.

Free US shipping on orders over $75.00 · oversize quoted. Oversize items ship at a flat $49.99 each — free shipping does not cover them.

WARNING: Cancer and Reproductive Harm from exposure to lead — www.P65Warnings.ca.gov P65Warnings.ca.gov

Inspected and graded before it's listed · 30-day returns

Make sure this fits your car

Fits E46 320i, 323i, 323i 2.4, 328i 1997–2001 — M52 engine

Select your vehicle to check fitment
See all 39 fitting cars
CoupeM52AllBM11

Other types · 2 in all

Return pipe – BMW diagram

Callout -- on BMW’s drawing “Crankcase-Ventilation/oil separator”. Open the drawing →

Also shown on Intake manifold system.

This is a genuine BMW return pipe, part number 11 15 7 520 035. You will find it under Engine (Crankcase ventilation). It supersedes the older number 11 61 7 500 021, so a part carrying that number is the same part.

Fits E46 320i, 323i and 328i (1999–2005), sedan, coupe, convertible and touring, with the M52 engine.

BMW draws it on 3 drawings, among them Crankcase-Ventilation/oil separator and Intake manifold system. It weighs about 39 g (under 0.1 lb).

Out of stock. Request it and we will notify you when it is in stock.

Details

EnginesM52
Weight0.04 kg

Used parts are inspected and graded: Good (minimal wear), Fair (normal wear) or Acceptable (visible wear). All fully working. Returns: 30 days if a part arrives damaged or not as described.

BMW has renumbered this part. All of these numbers are the same part.

  • 11 15 7 520 035currentOut of stock
  • 11 61 7 500 021replaced by 11 15 7 520 035

The other parts on BMW’s drawing “Crankcase-Ventilation/oil separator”. Open the drawing →

#PartIn stockAction
--Return pipe · this part5 numbers at this calloutOut of stock
01Pressure regulating valve2 numbers at this calloutOut of stockRequest
02Vent pipe2 numbers at this calloutOut of stockRequest
03Connecting line3 numbers at this calloutOut of stockRequest
04Vent hose4 numbers at this calloutOut of stockRequest
05ScrewOut of stockRequest
06Vacuum hose blackOut of stockRequest
07Return pipe · this part2 numbers at this calloutOut of stock
08Hose clampOut of stockRequest
CoupeM52AllBM11

Reviews

No reviews yet.

InEngineCrankcase ventilation