2008 Bmw Z4 problems, complaints & recalls
Most-reported problem areas: Steering (5) · Air Bags (4) · Air Bags:sensor:occupant Classification (2)
🧭 Reliability snapshot
Compared against other Bmw Z4 model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (2)
Engine And Engine Cooling:exhaust System:emission Control:crankcase (Pcv) 2022-03-02 · campaign 22V119000 · 917,106 vehicles
Defect: BMW of North America, LLC (BMW) is recalling certain 2008-2013 1 Series Coupe (128i); 2007-2013 3 Series Coupe (328i, 328xi, 328i xDrive); 2007-2010 X3 SAV (X3 3.0si, X3 xDrive30i); 2008-2013 1 Series Convertible (128i); 2006-2011 3 Series Sedan (325i, 325xi, 328i, 328xi, 328i xDrive, 330i, 330xi); 2006-2012 3 Series Wagon (328i, 328i xDrive); 2007-2013 3 Series Convertible (328i); 2006-2010 5 Series Sedan (525i, 525xi, 528i, 528xi, 530i, 530xi); 2006-2007 5 Series Wagon (530xi); 2007-2010 X5 SA
Risk: An electrical short can cause the PCV valve heater to overheat, increasing the risk of a fire while driving or, soon after driving when parked.
Fix: This recall supersedes and expands previous NHTSA recalls 17V-683 and 19V-273. Dealers will install an electrical wiring harness with fuse protection for the PCV Valve heater in potentially affected vehicles, free of charge. This recall supersedes and expands previous NHTSA recalls 17V-683 and 19V-273. Vehicles previously repaired under the prior recalls will need to come back for the new recall remedy. The remedy is currently being developed. Interim owner notification letters informing ow
Engine And Engine Cooling:exhaust System:emission Control:crankcase (Pcv) 2017-10-30 · campaign 17V683000 · 740,561 vehicles
Defect: BMW of North America, LLC (BMW) is recalling certain 2008-2011 128i and 2007-2011 328i, 328xi, 328i xDrive, 525i, 525xi, 528i, 528xi, 530i, 530xi, X3 3.0si, X3 xDrive30i, X5 xDrive30i, Z4 3.0i, Z4 3.0si and Z4 sDrive30i vehicles. The heater for the positive crankcase ventilation (PCV) valve may short circuit.
Risk: An electrical short can cause the parts within the PCV valve to melt, increasing the risk of a fire, even when the vehicle is not in use.
Fix: BMW will notify owners, and dealers will replace the PCV valve heater, free of charge. Interim letters were mailed on November 27, 2017. Owners will receive a second notification by the end of October 2018. Owners may contact BMW customer service at 1-800-525-7417.
Service bulletins (34)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Visibility:power Window Devices And Controls 2024-01-16 · B510819 · Service Bulletin/Repair Instructions
the basic conditions for initializing the power windows are not met.
Electrical System 2024-01-11 · B611305 · Service Bulletin/Repair Instructions
the electrical system of bmw vehicles has been subject to an ongoing development process over the last few years. this has led to increased demands being placed on the battery. this document covers important information for the dealer on how to handle ã¢ââdischarged batteryã¢ââ complaints.
Equipment:electrical 2022-09-01 · B662419 · Service Bulletin/Repair Instructions
vehicle cannot be opened or closed using comfort access, engine start is not possible, and the vehicle may not start when placing the key against the steering column.
Steering: Steering Wheel/Handle Bar 2021-04-01 · B340414 · Service Bulletin/Repair Instructions
diagnosis of compound brake system complaints in m vehicles: 1. visible cracks are caused by high thermal stresses during rapid heating and cooling of the brake discs. braking from high speed with cold brake components (less than 212 degrees f) increases the likelihood of cracks to form.
Equipment Adaptive/Mobility 2020-10-01 · B611305 · Service Bulletin/Repair Instructions
discharged battery energy diagnosis must be performed: the electrical system of bmw vehicles has been subject to an ongoing development process over the last few years. this has led to increased demands being placed on the battery. this document covers important information for the dealer on how to
Engine And Engine Cooling 2020-09-01 · B110208 · Service Bulletin/Repair Instructions
power reduction, fc2a82 intake vanos and/or fc2a87 exhaust vanos camshaft fault: the ?service engine soon? (mil) lamp is illuminated and engine power reduction is perceived. this situation can occur after driving for some time with the engine at full operating temperature. if theignition is cycled,
Showing the 6 most recent of 34 bulletins. Search all of them free at nhtsa.gov.
What owners report
2025-08-25 · Service Brakes“this complaint is regarding a large number of 2008 bmw cars exhibiting the abs failure light. mine is a z4 with @ 65k miles and was diagnosed by a certified mechanic as the abs module failure - a high ($3000-$4000) cost repair. if you use this search term - "how common is bmw 2008 abs module failure?", you will see that a multitude of cars from 200…”
2022-10-04 · Engine And Engine Cooling“the contact owns a 2008 bmw z4. the contact received notification of nhtsa campaign number: 22v119000 (engine and engine cooling) however, the part to do the recall repair was unavailable. the local dealer was contacted and confirmed that the part was not yet available. the contact stated that the manufacturer had exceeded a reasonable amount of ti…”
2021-04-28 · Vehicle Speed Control · 75,000 mi“idling in gear (automatic transmission) at a drive thru. car suddenly tried to accelerate. put car in park and engine continued to increase to max rpms. i shut off the engine at the ignition. restarted engine and idled normally.…”
2020-03-09 · Air Bags · 60,000 mi“tl* the contact owns a 2008 bmw z4. the contact stated that for several months the air bag warning indicator was flashing. the contact stated that the air bag warning light was constantly illuminated. the vehicle was not taken to the dealer or an independent mechanic for a diagnostic test. the manufacturer was not notified of the failure. the vehic…”
2019-11-26 · Seats“recently purchased a 2008 bmw z4. after a week of ownership the airbag light came on. fault code points to the passenger seat occupancy sensor oc3. bmw issued a 15 year extended warranty to many bmw models including the 2006 and 2007 z4 with comfort seats, but not to the 2008 model. this repair costs upwards of $1500 and is safety related. bmw need…”
2019-10-25 · Air Bags:sensor:occupant Classification:front Passenger“the airbag red light on dash appeared and stayed on,also passenger yellow airbag light stays on .took to bmw dealer they informed me that the passenger seat occupancy sensor mat was defective and needed to be replaced at a cost around 1,600.00 . error code 93c3 they informed me with this problem i do not have any airbag protection . this is a s…”
2019-10-12 · Air Bags:sensor:occupant Classification · 80,000 mi“dashboard airbag warning light came on - obd scan indicates the passenger seat oc3 airbag sensor mat has failed. i believe this means the vehicle can no longer detect if there is a child in the passenger seat, and will deploy airbags regardless of passenger weight. bmw has a service bulletin for many other models and years (including my z4 model - …”
2018-07-05 · Engine And Engine Cooling:exhaust System:emission Control:crankcase (Pcv)“tl* the contact owns a 2008 bmw z4. the contact received notification of nhtsa campaign number: 17v683000 (engine and engine cooling); however, the parts to do the repair were unavailable. the dealer was not contacted. the manufacturer was notified and confirmed that the recall parts were not available. the contact had not experienced a failure. vi…”
2018-04-24 · Air Bags:sensor:occupant Classification · 55,920 mi“a failed front passenger air bag seat sensor mat causes the air bag warning lamp and the passenger air bag 'on-off' lamp to be illuminated simultaneously. in august 13, 2008, bmw issued a voluntary recall involving front passenger seat sensor mat on u.s.a. model bmws regarding the front passenger air bag seat sensor mat involving approximately 20…”
2018-01-26 · Engine“tl* the contact owns a 2008 bmw z4. the contact stated that nhtsa campaign number: 17v683000 (engine and engine cooling) exceeded a reasonable amount of time for repair. the dealer was not contacted. the manufacturer was contacted and stated that the parts were unavailable for the repair. the contact had not experienced a failure. vin tool confirms…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.