EURORELIC

12 14 1 720 852 –Pulse generator (MOTRONIC KW)

Supersededchecked 2026-09-28source: bmwpartsdeal.commarket: US+EU

BMW part number 12 14 1 720 852 (12141720852) is the Pulse generator (MOTRONIC KW), an electrical part catalogued for the E30 (320i, 325i, 325e), E28 (520i, 525e, 528e), E34 (520i, 525i). As of our last check (2026-09-28, bmwpartsdeal.com), it has been superseded by 12141720856.

  1. 1 New from BMW
    Order the replacement number 12141720856
  2. 2 Aftermarket new
    No sourced aftermarket equivalent yet
  3. 3 Used / NOS
    Search live listings on eBay US/DE.
  4. 4 Interchange
    No cross-model match in our data
  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

Replaced by 12141720856. Order the newer number.

View 12141720852 at bmwpartsdeal.comCross-reference 12141720852 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 12141720852 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 (successor 12141720856 where shown). 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.

Supersession chain

12141720852→12141720856

Older numbers on the left, newest on the right. Numbers without a record open a lookup.

Used & NOS listings

Cross-model interchange (6)

Listed directly for E30 and E28 and E34 in our data (see Fits). Models below are other listings of the same number.

Via successor numberCatalog match (partial list)shared number 12141720856bmwpartsdeal.com

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

E30
325e (1984-1987)325i (1987-1992)325is (1987-1990)325ix (1988-1991)
E28
528e (1982-1988)
E34
525i (1989-1991)

US dealer fitment list (partial)

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

Successor 12141720856 listed at $164.24 on bmwpartsdeal (InStock).