EURORELIC

34 33 6 779 733 –Brake servo unit – 135i

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

BMW part number 34 33 6 779 733 (34336779733) is the Brake servo unit – 135i, a brakes part catalogued for the E88 (135i). As of our last check (2026-10-08, bmwpartsdeal.com), it is still available new from BMW. Interchange records list it on E82, E93, E92, E90, E91, E84 as well.

⚠ Safety-critical part. Have a qualified mechanic verify fitment and installation before driving.
  1. 1 New from BMW
    Listed as orderable new by the status source.
  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 6 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

Listed as orderable new at bmwpartsdeal.com when checked.

View 34336779733 at bmwpartsdeal.comCross-reference 34336779733 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 34336779733 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 (32)

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.

E93
320d N47320i N43323i N52N325i N52N328i N51328i N52N
E92
320d N47320xd N47330d M57N2330d N57330i N53330xd M57N2
E90
320d N47323i N52N325i N52N325xi N52N328i N51328i N52N
E91
318d N47318i N43318i N46N320d N47320i N43320i N46N
E84
X1 16d N47NX1 16i N20X1 18d N47X1 18d N47NX1 18dX N47X1 18dX N47N
E82
135i N54135i N55

+70 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

Listed $463.46 on bmwpartsdeal. SAFETY-CRITICAL (brakes/steering/fuel/airbag): have a qualified mechanic verify fitment and installation.