EURORELIC

34 33 1 150 922 –Brake pressure differential switch (Automatic)

NLA newchecked 2026-10-08source: bmwpartsdeal.commarket: US (EU: not checked)

BMW part number 34 33 1 150 922 (34331150922) is the Brake pressure differential switch (Automatic), a brakes part catalogued for the E23 (728, 728i, 728iS). As of our last check (2026-10-08, bmwpartsdeal.com), BMW lists it as no longer available new (NLA). Interchange records list it on E28, E24, E32, E34, E31 as well.

⚠ Safety-critical part. Have a qualified mechanic verify fitment and installation before driving.
  1. 1 New from BMW
    No longer available new (per source; may be market-specific).
  2. 2 Aftermarket new
    No sourced aftermarket equivalent yet
  3. 3 Used / NOS
    Search live listings on eBay US/DE.
  4. 4 Interchange
    Same BMW number listed on 5 other chassis
  5. 5 Kit / reman
    None recorded yet
  6. 6 Community fix
    No forum workaround recorded yet
  7. 7 DIY guide
    No guide yet
  8. 8 Paid hunt
    We search dealers, breakers and forums for you.

Buy new

Not available new according to the status source (US checked). NLA can be market-specific, so try the other region below.

View 34331150922 at bmwpartsdeal.comCross-reference 34331150922 on RealOEMCatalog diagram (bmwfans.info)

Aftermarket options (0)

No sourced aftermarket equivalent recorded yet. We only list brand numbers that a brand catalog or vendor page explicitly cross-references to this BMW number.

Where to buy

Every link opens 34331150922 at that seller: “View” = the part’s own page, “Look up” = the seller’s part-number page, “Search” = the seller’s search pre-filled with the number. You can order from either region.

United States

Europe (DE · UK · DK)

“Ships internationally” is shown only where we read it on the vendor’s own shipping page (checked 2026-09-28); otherwise check with the vendor. Import duties and taxes are the buyer’s responsibility. Amazon links carry our Associates tag, so we may earn a commission; other seller links are not affiliate links today.

Used & NOS listings

Cross-model interchange (24)

Same part numberCatalog match (partial list)bmwfans.info

Same BMW part number, but the source list is truncated or market-specific. More models may apply.

E28
525i M30528i M30533i M30535i M30M5 S38M535i M30
E32
730i M30730i M60730iL M30730iL M60735i M30735iL M30
E24
628CSi M30633CSi M30635CSi M30M6 S38M635CSi S38
E31
840Ci M62840i M60850Ci M70850Ci M73850CSi S70
E34
530i M60540i M60

+5 more models not listed by the source.

Community fixes (0)

No forum workaround recorded yet. If you know a thread, the hunt team wants to hear about it.

Kits, reman & retrofits (0)

No kit or reman service recorded yet.

DIY

No DIY route recorded yet.

Repair guides & how-tos (0)

No repair write-up or video linked for this part yet.

Notes & sources

bmwpartsdeal (US) marks discontinued; bmwfans ETK data does not flag it. Last listed $207.46 on bmwpartsdeal (not orderable). SAFETY-CRITICAL (brakes/steering/fuel/airbag): have a qualified mechanic verify fitment and installation.