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BMW 7-Series Engine Problems

226 TrueDelta members own a 2000 or newer BMW 7-Series. 26 of these members (11.5%) have reported engine repairs for their car. A total of 41 engine repairs to BMW 7-Series--an average of 0.2 per vehicle--have been reported.

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently BMW 7-Series problems occur, check out our car reliability stats.

Chart based on 96 repairs.

BMW 7-Series engine repair cost distribution

Chart based on 39 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
Non-members can see only ten BMW 7-Series repair histories. Log in or join us to see them all.

2006 BMW 7-Series 4dr Sedan, ext.

360-horsepower 4.8L V8 6-speed shiftable automatic RWD

70700 mi   Engine valve seals replaced. valve job, it was loosing oil through valve seals. alternator arm bracket seal was leaking oil. Replaced o ring. 
113000 US $800 Replace water pump and thermostat. 
123000   two idler pulleys and Belt tensioner were replaced. 
86000 US $8500 Factory-installed faulty valve seals led to exhaust blow-by which clogged some block passageways with carbon, causing a block and/or head hot spot and a crack in the block between cylinders #7 and #8. BMW NA not responsive. 

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2006 BMW 7-Series 4dr Sedan

360-horsepower 4.8L V8 6-speed shiftable automatic RWD

125000 mi US $1200 Valve cover gasket 

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2002 BMW 7-Series 4dr Sedan

325-horsepower 4.4L V8 6-speed shiftable automatic RWD

181000 mi US $350 Check Engine Light, P0491, Secondary Air Emissions Pump, Bank 1 Flow too Low. Mechanic ran tests and tried a different pump. Going to further inspect hoses on next trip. 
77500 C $300 Service engine light on for a couple of months. When first reported, dealer said it could be the gas cap. Took the car in and they told me that the head gaskets were leaking oil onto the coil and that the cylinder walls had major scuffing.  

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1998 BMW 7-Series

Engine not specified

103000 mi US $460 Power steering pulley failure 

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1998 BMW 7-Series 4-door

8-cylinder automatic 2WD

139000 mi US $450 Also replaced the expansion tank which apparently also leaked. Preventively replaced two accessory belts. 
166000   one catalytic converter was shot valve cover gaskets leaking (never been done, so not surprising) 
107000 US $225 new oxygen sensor 

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