EURORELIC

34 51 6 798 285 –Hydro unit DXC

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

BMW part number 34 51 6 798 285 (34516798285) is the Hydro unit DXC, a brakes part catalogued for the E70 (X5 3.0d, X5 3.0sd, X5 3.0si), E71 (X6 30dX, X6 35dX, X6 35iX). As of our last check (2026-10-08, bmwpartsdeal.com), it has been superseded by 34516865025.

⚠ Safety-critical part. Have a qualified mechanic verify fitment and installation before driving.
  1. 1 New from BMW
    Order the replacement number 34516865025
  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 34516865025. Order the newer number.

View 34516798285 at bmwpartsdeal.comCross-reference 34516798285 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 34516798285 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 34516865025 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

34516798285→34516865025

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

Used & NOS listings

Cross-model interchange (0)

Listed directly for E70 and E71 in our data (see Fits). Models below are other listings of the same number.

Via successor numberCatalog match (partial list)shared number 34516865025bmwfans.info

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

+7 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 34516865025 listed at $2949.45 on bmwpartsdeal (InStock). SAFETY-CRITICAL (brakes/steering/fuel/airbag): have a qualified mechanic verify fitment and installation.