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Manufacturer communication · Warranty extension

BMW warranty extension 3433900200

What it saysBMW of North America, LLC(BMW NA) is extending the limited warranty forthe vehicle’s Brake Servo Unit’s ElectricVacuum Pump assembly to: 15 years/150,000 miles as determined bythe vehicle’s original in-service date. NHTSA’s full summary ↓

BMW filed this with NHTSA as a warranty extension dated Nov 14, 2024, received Nov 25, 2024, about the service brakes — 1 document under this number: B011324. It names 3 model years (2016–2018). A warranty extension is not a safety recall — there is no NHTSA campaign number and no federal requirement — but it is usually work the manufacturer pays for on the vehicles it names; the dealer checks the VIN against the manufacturer’s list.

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What the bulletin says

Source: NHTSA's summary of the manufacturer's communication
Coverage 15 years or 150,000 miles “BMW of North America, LLC(BMW NA) is extending the limited warranty forthe vehicle’s Brake Servo Unit’s ElectricVacuum Pump assembly to: 15 years/150,000 miles as determined bythe vehicle’s original in-service date.”

Picked out of NHTSA’s summary below, word for word. The document itself is the record, and the dealer checks the VIN.

2018 330e iPerformance 28 Oct 2015 – 5 Oct 2018 “2018 330e iPerformance October 28, 2015 to October 05, 2018”

What it applies to, as the document itself states it — the build window in the manufacturer’s own words, read by machine from the PDF NHTSA serves. The build date is on the certification label in the driver’s door jamb; the dealer settles a borderline vehicle by its VIN.

BMW of North America, LLC(BMW NA) is extending the limited warranty forthe vehicle’s Brake Servo Unit’s ElectricVacuum Pump assembly to: 15 years/150,000 miles as determined bythe vehicle’s original in-service date.

One of the 432 warranty extensions and special-coverage programs on file — every make, with the term each runs to.

Manufacturer campaign id 3433900200 Kind Warranty extension Manufacturer date Nov 14, 2024 Received by NHTSA Nov 25, 2024 Components Service Brakes

Document filed under this number

DocumentKindDatedNHTSA idAt NHTSA
B011324Warranty extensionNov 14, 202411010767PDF, 268 KB

What the document itself lists

Labour operation and the time the manufacturer allows

OperationDescriptionTime
00 58 500Diagnosis Worktime Flat Rate2 FRU

Read by machine from the document NHTSA serves (6 pages), read Sep 30, 2026. A part number is shown only where it matches BMW’s own catalogue shape, an operation only with its code and time, and a description only where the reader got it whole; anything it could not settle is left out, and the PDF is the record. Times are the manufacturer’s warranty allowances, not a quote.

The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.

Model years it names

Source: as the manufacturer filed them

A vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.

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What owners reported

Source: NHTSA complaint database

Owners of the 3 model years this bulletin names have filed 259 complaints with NHTSA since 2015. 19 of them name Service Brakes — the same broad component group this bulletin is filed under. NHTSA groups complaints coarsely, so that means the same area of the vehicle, not necessarily the same fault.

I started to hear a grinding noise from the center-underside of my car about 4 months ago. I did some research and found that many BMW customers had experienced the same noise and the diagnosis was a parking brake line that drops on the main driveshaft after breaking free of the plastic support that is supposed to hold it in place.

2017 BMW 3 Series · Service Brakes · filed with NHTSA Jan 8, 2025 · ODI 11634858

Need to recall as it is Common Knowledge among the BMW technicians that these vehicles are plagued with hazard of Parking / Emergency Break line clip breaking and for the line contacting the rotating drive shaft. The holding clip Mfg Part # 34406854898 breaks regularly !

2016 BMW 3 Series · Service Brakes · filed with NHTSA Jul 26, 2023 · ODI 11534592

A complaint is one owner’s account, not a defect finding, and a bulletin is not a recall. Nothing here says this bulletin was issued because of these complaints, or that the repair it describes fixed them. Complaint files on this site begin in 2015.

More bulletins about the service brakes

Source: same model, same component group

6 other manufacturer communications filed against the BMW 3 Series under the same component group (service brakes), newest first.

NumberKindDatedNHTSA’s summary
B062826OtherApr 24, 2026Brake Hose Return
B340925Service bulletinDec 17, 2025There may be an internal leakage in the brake fluid expansion tank (aka brake fluid reservoir). In the rarecase of a leak, the filling level…
0034200300Service campaignJul 30, 2025There may be an internal leakage in the brake fluid expansion tank (aka brake fluid reservoir). In the rare case of a leak, the filling leve…
B340225Service campaignApr 3, 2025Due to a manufacturing defect, there might be an internal leakage of the brake fluid expansion tank. In therare case that there is a leakage…
eB340225Service campaignMar 6, 2025Delivery Stop - Brake Fluid Expansion Tank
B340714Service bulletinOct 13, 2023"Carbon Ceramic Brake Noise. INFORMATION ""M"" vehicles are designed for high-performance, spirited driving. To accommodate this type of dri…

Quote the number at the service desk. It is what the dealer’s system is keyed on.

Every manufacturer communication NHTSA holds for BMW, by the number printed on the letter.

Photo: Christian Buehner / Unsplash

Common questions

Source: NHTSA, 49 CFR 579.5

Is BMW 3433900200 a recall?

No. A warranty extension is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls, or on its page here.

Is the 3433900200 repair free?

A warranty extension is usually paid by the manufacturer on the vehicles it names, within the terms and time limit the document sets; the dealer checks the VIN against the manufacturer’s list.

Which vehicles does 3433900200 cover?

The manufacturer filed it against 3 model years: 2018 BMW 3 Series, 2017 BMW 3 Series, 2016 BMW 3 Series. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone. The document itself sets the build window: 2018 330e iPerformance: built 28 Oct 2015 – 5 Oct 2018 — the build date is on the certification label in the driver’s door jamb.