BMW 325i Repair and Maintenance

A guide to problems, costs, maintenance and repair for your BMW 325i

BMW 325i Problems

Rear Window Regulator

A side door window regulator may fail causing the window to stop working, in some eases falling into the door. Replacement of the failed regulator will be required to correct this concern.

Coolant Loss Due to Leak from Expansion Tank

An engine coolant leak may develop from the expansion tank resulting in engine overheating. When a cooling system component fails the entire cooling system should be inspected. It is not uncommon to find additional component have failed or are leaking.

Overheating can cause severe engine damage. If the engine begins to overheat it is recommended to stop at the first available location and have your vehicle towed to a repair shop.

Blower Final Stage Fan Resistor May Fail

The blower final stage fan resistor is known to fail. Symptoms are the heater fan speed varies regardless of the setting, the fan will not turn off when the car is switched off, or the fan will not switch on at all.

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BMW 325i Questions

I have a USAA "big brother" module positioned in the diagnostic port. (1 answer)

My 325i sporadically idles down and cuts of at stop lights. It starts immediately but then idles down and cuts off (very embarrassing at stop lights!). By starting and revving the engine, I can eventually keep the car running and limp the car home. BMW dealer cannot diagnostically locate the prob...

What does the cabin filter do? (1 answer)

I like to know what is the function of the cabin air filter ?

My bmw 325ci cuts off when tuned up the air conditioning when driving without (1 answer)

Air Conditioning the car would run good

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BMW 325i Recalls

Driver's Frontal Air Bag Inflator Ruptures And Sprays Metal Fragments

The driver's frontal air bag inflator may deploy the air bag with excessive pressure, resulting in the inflator rupturing and causing metal debris to be sprayed onto vehicle occupants. Dealers will replace the driver's frontal air bag free of charge to resolve the concern.

Driver's Front Air Bag Defective

In a crash that deploys the driver's front air bag, the inflator of the air bag can rupture, causing metal debris to strike vehicle occupants. Dealers will replace the front driver's air bag module free of charge to correct the concern.

Airbag Inflator Concern

Upon deployment the passenger airbag inflator could rupture, increasing the risk of personal injury. BMW dealers will replace the affected airbag inflator modules to correct this concern.

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BMW 325i Reviews

Bought this car 5 months ago with 89k miles on it. Now has almost 94k miles. This car drives amazing, and driving became such an enjoyable thing ever since I had it. Maintenance and repair cost are pretty expensive. I have changed alternator and drive belt for $1k, changed blower motor (~$150) by myself, installed LED angel eyes by myself, throughly cleaned intake manifold + changed intake mani...
Bought this as a used car. It has been a nightmare of repairs, even parts that have been changed out they break again. Save your money and do not buy a used 325i.
These are good cars...until they aren't. I bought mine in 2013. Drove great for a several months. Then the transmission blew. Apparently this is an incredibly common problem on the automatic transmission version. An auto transmission blowing at under 150,000 miles with a $5,000+ price tag for a rebuilt? There is no used luxury car worth this expense of trouble. I will never buy another used BMW...

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