Valve Stem Replacement with Wheel Electronics. INFORMATION The valve stems are single-use only, and must be replaced every time the wheel electronics are replaced. If you loosen the nut (1), you must replace the valve stem. Failure to replace the valve stem will lead to a pressure leak. The proper repair procedure can be found in REP 3611533. Not applicable. [ Copyright (c)2015 BMW of North America, Inc. ] Page 1 of 3 Page 1 of 1 https://www.bmwtis.net/tiscode/cgi-bin/bulletin.aspx?sie_path=/tsb/bulletins/htm_store/232...6/4/2015 https://www.bmwtis.net/tiscode/cgi-bin/bulletin.aspx?sie_path=/tsb/bulletins/htm_store/232...6/4/2015 Page 1 of 3 https://www.bmwtis.net/tiscode/cgi-bin/bulletin.as
full bulletin at NHTSA ↗2009 BMW Z4 wheels problems
moderate 10 complaints filed with NHTSA · avg repair $400 · see wheels across all vehicles →
Failure mileage
Complaints
10
Recalls
0
Avg fix
$400
When does it fail?
Of the 10 wheels complaints filed for the 2009 BMW Z4, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Reported failure mileage clusters in the 0-25,000 mi band — 6 of 7 complaints with an odometer reading on file land there.
No new NHTSA wheels complaint has been filed on this vehicle in over 14 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering wheels on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The Style 296 19-inch alloy wheel has a pattern of cracking along the inner bead edge. Owners consistently report the cracks form during normal driving—sometimes within months of ownership—and cause slow air leaks that trigger low-pressure warnings. Multiple owners affected the same way found their vehicles had two or more cracked wheels, particularly rear wheels.
Owners cite the design interaction: the 19-inch wheel combined with OEM run-flat tires (which have stiff, short sidewalls for self-supporting operation) and the Z4's negative camber angle. This geometry shifts forces and load onto the inside bead of the rim, and the run-flat design eliminates the normal air-spring cushioning, transmitting road impacts directly to the wheel. The Style 296 rim lacks reinforcement at the bead to handle these combined stresses.
BMW declined warranty coverage in multiple cases, attributing cracks to road hazards based on runout measurements, without visual damage evidence. The company discontinued the Style 296 design after 2012 and introduced a redesigned wheel—an acknowledgment that owners link to recognition of the defect. One owner with a separate rim-and-tire warranty obtained partial coverage (one wheel replaced, another straightened).
Failure modes owners describe
Style 296 wheel rim bead cracking
Multiple cracks develop on the inner edge (bead) of the Style 296 19-inch alloy rim. Owners report cracks on rear wheels (some rear pairs) and occasionally multiple wheels per vehicle. The cracks are located specifically on the inside bead/lip where the tire bead seats. Cracking occurs under normal driving conditions and even light usage. The problem appears tied to the design combination of the 19-inch Style 296 wheel, negative camber geometry, and OEM run-flat tires with stiff sidewalls that transmit road forces directly to the rim without normal tire cushioning.
When: Typically discovered between 22,000 miles and early ownership (4 months after purchase noted in one case). One owner reported both rear wheels cracking within a month of each other.
Symptoms owners cite: Low tire pressure warning light activation; Slow tire leak or inability to maintain air pressure; Visible cracks on inner edge of rim; Repeated air pressure loss requiring top-ups
Repairs/costs cited: One owner with warranty coverage had BMW replace one wheel and pay for straightening of another. Owners report the actual cost varies; some had partial coverage under rim/tire warranty packages purchased separately. Full replacement wheel cost not specified in narratives.
Recalls/TSBs owners mention: BMW initially offered only single-wheel warranty coverage in at least one case, citing runout measurements (0.059 inches) to claim road-hazard damage rather than manufacturing defect, despite owners providing no evidence of impact. BMW discontinued the Style 296 wheel design after 2012 and redesigned it, effectively acknowledging the problem. Multiple owners report BMW Customer Relations declined assistance or warranty coverage.
Synthesized from 10 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 8 most recent
This problem affects wheel style "296" a 19" optional alloy wheel package for e89 BMW z4. BMW part number 36116785257(rear wheel 19x9) and 36116785256(front wheel 19x8. Under normal driving conditions, multiple cracks developed on inner edge of rim lip leading to large drop in tire pressure and potentially unsafe driving condition. This happened to (1) of my rear wheels. After doing research, I…
I had two of these rims bend and crack ( model 296) I had the rim and tire warranty that I paid extra for and BMW covered a replacement for one and paid to have the other straightened. *tr
Both rear wheels developed cracks. These were 19 inch BMW style 296 wheels with run-flat tires. *tr
This problem affects wheel style "296" a 19" optional alloy wheel package for e89 BMW z4. BMW part number 36116785257(rear wheel 19x9) and 36116785256(front wheel 19x8. Under normal driving conditions, multiple cracks developed on inner edge of rim lip leading to large drop in tire pressure and potentially unsafe driving condition. This happened to (1) of my rear wheels. After doing research,…
I had a slow tire leak so I took my car in to get checked. Turns out my 2 rear wheels are cracked.this is common problem for owners with the 296 wheel on the z4. *tr
Wheels developed cracks and air was leaking.
Rear wheels on BMW z4 cracked during normal road usage. Both cracked within a month of each other. These are 19" wheels with run flat tires and 296 wheel design. These wheels don't seem to be designed for public road usage but are advertised as such. They cannot withstand even minor road imperfections. BMW refused to cover under warranty and doesn't acknowledge the wheel design as defective…
When I got into my car one morning the sensor went off letting me know that I had a low tire pressure. I went and filled the tire to the proper level; I thought everything was fine, then the next following morning the same thing happened. I took the car in to get it checked out and they found that the rim was cracked in 4 places. I was wondering how the rim could have gotten cracked cause I…
Had wheels trouble with your 2009 BMW Z4?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the wheels problem on the 2009 BMW Z4?
It's a documented issue but not catastrophic. 10 complaints have been filed. Repairs average $400 and most owners catch it before it causes a breakdown.
At what mileage does the wheels typically fail?
Across the 9 complaints that reported odometer mileage, most wheels failures cluster between 16,000 and 22,000 miles, with the median around 18,000. A quarter of owners report trouble before 16,000; a quarter make it past 22,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $400 for wheels repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to wheels?
No active recalls currently cover wheels issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2009/BMW/Z4.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.