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Know your BMW better · Catch overpriced quotes · Never overpay for maintenance

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Answers for your exact engine, your exact mileage, your exact mods.

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My B58 is at 62,000 km. What maintenance should I prioritize?

At 62,000 km on your B58, here's what to watch:

●Water pump — Check immediately. Common failure point 60-80k km.
●Spark plugs — Due around 60k if not done.
●Walnut blast — Recommended every 50-60k for direct injection.

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When should I do my next oil change?

Based on your 2017 M240i at 47,200 km:

●Next oil change — Due at 48,000 km — about 800 km away.
●Recommendation — Use 0W-40 full synthetic. Your B58 prefers it over 5W-30.
●Interval — Every 8,000 km or 12 months, whichever comes first.

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Shop quoted me $650 for spark plugs. Is this fair?

That's too high. Here's the breakdown:

●Parts — OEM NGK plugs for B58 run $150-200. Even with markup, $250 max.
●Labor — B58 plugs are 1 hour max. Should be $100-150.
●Fair range — $300-400 total. Upload the quote to Smart Analyzer for details.

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I want to go Stage 2 on my N54. What do I need?

Stage 2 on N54 requires these supporting mods:

●Downpipe — Required. Catless for full power, catted for emissions.
●FMIC — Stock intercooler heat soaks quickly. Upgraded FMIC is essential.
●Fuel — HPFP internals recommended. Index 12 injectors if E85.

What you'll discover inside your BMW

All the tools to keep your car running perfectly.

Ask Bimmerman AI

Your BMW specialist on demand — maintenance advice, mod guidance, and compatibility checks.

Personalized Advice

Guidance tailored to your specific model, engine, and mileage — not generic one-size-fits-all.

Service History & Tracking

Log maintenance with mileage tracking and get reminders when services are due.

Smart Analyzer

Upload invoices, receipts, and shop quotes — AI extracts service details and validates pricing instantly.

Insights & BMW Tax Analytics

20+ personalized insights per month, plus cost tracking to see your total investment.

Modification Guidance

Track your mods with costs, get compatibility checks, and plan your build.

What real owners are saying

People who stopped wondering. Started knowing.

"Car was running fine at 62k, dealer said wait until 80k, no rush. But Bimmerman flagged it based on my service history and stats. Said water pump failure was likely coming soon. I was skeptical honestly, but my wife drives that car with the kids most days. So I got it checked anyway. Mechanic found it was already leaking, would've failed soon, probably on a highway. Got it replaced. Felt stupid for doubting the app but that's my family's daily driver, you know?"

Daniel R.

2019 M340i • B58

"Got a quote for $2,400 cooling system work. Seemed high but I didn't know enough to question it. Uploaded it to Bimmerman just to check. Half of it wasn't actually needed. Shop probably wasn't trying to scam me, just upselling. But I felt better knowing what was actually necessary. Saved a bunch of money."

Sarah K.

2016 335i • N55

"Honestly I was nervous about Stage 2. Read forums for months. Felt like I needed to be some expert. Bimmerman just broke it down for me... here's what you need, here's the order, here's why. Did it last weekend. 420whp. Felt good to actually take a risk for once."

Marcus T.

2011 335i • N54

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