EURORELIC

51 23 1 864 963 –Securing plate – Convertible

Supersededchecked 2026-10-08source: bmwpartsdeal.commarket: US+EU

BMW part number 51 23 1 864 963 (51231864963) is the Securing plate – Convertible, a body part catalogued for the E46 (320Ci, 323Ci, M3), E26 (M1). As of our last check (2026-10-08, bmwpartsdeal.com), it has been superseded by 07129904492. Interchange records list it on E82, E88, F20, F21, F22, F23 as well.

  1. 1 New from BMW
    Order the replacement number 07129904492
  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 34 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

Replaced by 07129904492. Order the newer number.

  • 🇺🇸 USSupersededbmwpartsdeal.com
  • 🇪🇺 EuropeSupersededsuccessor 07129904492: Leebmann24 (DE): "1-3 Working Days" €2.24 (our Leebmann24 lookup of 2026-09-28)leebmann24.com
View 51231864963 at bmwpartsdeal.comCross-reference 51231864963 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 51231864963 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 07129904492 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

51231864963→07129904492

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

Used & NOS listings

Cross-model interchange (102)

Listed directly for E46 and E26 in our data (see Fits). Models below are other listings of the same number.

Via successor numberCatalog match (partial list)shared number 07129904492bmwfans.info

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

F30
316d B47318d B47318dX B47320d B47320d ed B47320dX B47
F31
316d B47318d B47318dX B47320d B47320d ed B47320dX B47
F32
418d B47420d B47420dX B47425d B47440i B58440iX B58
F36
418d B47420d B47420dX B47425d B47440i B58440iX B58
G11
730d B57730dX B57730i B48740dX B57740i B58750i N63R
G12
730Ld B57730LdX B57730Li B48740i B58740iX B58740LdX B57
F20
118d B47118dX B47120d B47120dX B47125d B47
F21
118d B47118dX B47120d B47120dX B47125d B47
F22
218d B47220d B47220dX B47225d B47
E92
335i N54M3 S65335i N55335is N54T
E93
335i N54M3 S65335i N55335is N54T
F33
420d B47425d B47440i B58440iX B58
F10
M5 S63N518d B47520d B47520dX B47
F48
X1 20i B48X1 20iX B48X1 25iX B48X1 28iX B46
F23
218d B47220d B47225d B47
F34
318d B47320d B47320dX B47
F11
518d B47520d B47520dX B47
F15
X5 25d B47X5 25dX B47X5 40eX N20
F82
M4 S55M4 GTS S55
E67
745LiS N62760LiS N73
F25
X3 18d B47X3 20dX B47
E89
Z4 35i N54Z4 35is N54T
E82
135i N55
E88
135i N55
F45
225xe B38X
F87
M2 N55
E90
M3 S65
F80
M3 S55
F83
M4 S55
F06
M6 S63N
F12
M6 S63N
F13
M6 S63N
I12
i8 B38
F26
X4 20dX B47

+15 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

Successor 07129904492 listed at $3.37 on bmwpartsdeal (InStock).