UK Reliability Directory

BMW M5

Production Years: 1998 - 20244 Documented Faults

The M5 is the big-engine executive express of the M range, offering ballistic performance in an understated, luxurious saloon body. Positioned as the ultimate autobahn cruiser, it is phenomenal when healthy, capable of outrunning many supercars. However, every generation carries serious running-cost exposure—from the E60's fragile V10 and SMG gearbox to the F10's thirsty V8 and the F90's complex xDrive system. It perfectly suits wealthy executives wanting stealthy, mind-bending speed, provided they have a massive budget for fuel, tyres, and inevitable repairs.

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Common Faults & Reliability

These are the most common documented problems for the BMW M5, sorted by their typical impact and frequency.

Timing Chain Guide Wear / VANOS Issues

high severity

E39-era M5s can suffer from worn chain guides, VANOS solenoid issues, and heavy oil leaks as the S62 ages. Preventative mechanical work is often the difference between a great car and a disaster.

Est. repair cost:£1,500–£4,000

Rod Bearing Wear / Throttle Actuator Failure

high severity

The V10 E60/E61 M5 is notorious for rod-bearing wear and failing throttle actuators. Both can turn a cheap-looking car into a huge engine bill.

Est. repair cost:£1,200–£6,000

SMG / DCT / Transmission Heat Stress

high severity

Fast M5s punish transmissions. E60 SMG hydraulic components, F10 DCT heat stress, and even later automatic driveline components all suffer if the car has been launched repeatedly.

Est. repair cost:£500–£5,000
View All 4 Documented Issues

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