Back to 2000 BMW 525i
Help
2000 BMW 525I
2.5L I6 M54•RWD•AUTOMATIC•gas
1 active safety recall on this vehicle — view recalls
Founding sponsor spot is openYour name on every procedure for this vehicle, permanently.Sponsor — $99 →
Repairs0Labor498Torque2182Fluid8DTC873Battery1Maintenance0Recalls1
P1352high severityPowertrain

Misfire Cylinder 8 With Fuel Cut-Off

on 2000 BMW 525i 2.5L I6 M54 · RWD

What this code means

The DME detected a severe misfire on Cylinder 8 and has activated fuel cut-off. This code is specific to BMW V8 engines (N62, N63, S63, S65). Cylinder 8 misfires on these engines often relate to valve stem seal or VANOS issues.

Symptoms

  • Check Engine Light flashing
  • Rough running
  • Significant power loss
  • Exhaust smell of unburned fuel

Common causes

  • Faulty ignition coil Cylinder 8
  • Worn spark plug Cylinder 8
  • Injector failure
  • Low compression due to worn valve stem seals
  • VANOS unit failure

Diagnostic steps

  1. Read misfire counters per cylinder
  2. Swap coil from Cylinder 8
  3. Inspect spark plug for oil fouling
  4. Compression and leak-down test
  5. Check VANOS operation

Repair notes

Replace ignition coil or spark plug; check for oil consumption on V8 engines.

🔌 Don't have a code reader?
Any of these will read and clear this code — pick by how deep you want to go.
As an Amazon Associate, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.

Other Powertrain codes on this vehicle

🔌 Need this data in your app? It's all in the free API →
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
Stuck on this repair? Take it to The Diag Desk — ask a master tech about this exact car → real human answer within 24h, never AI
Share:XRedditFBWhatsAppThreadsEmail
⚠ STILL BEHIND THE PAYWALL
The 2000 BMW 525i repair data is incomplete because no one has sponsored it yet. For $99, we generate the full step-by-step procedures, then fact-check them with a second AI pass and your expert review. Your name on every procedure, permanently.
The same data would cost $169/mo from Mitchell1 or $30/year from ALLDATAdiy — and you'd be renting access, not freeing it. Sponsor once, free forever.
Sponsor the BMW 525i — $99 →
Building an app?
Free API access to all this data — 10 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →