BMW E92 and E93 3 Series: The Faults Owners Meet After 100,000 Miles

The E92 coupe and E93 convertible (2007–2013) are the two-door half of the E9x family, and they age differently from the saloon: frameless windows, a heavier body at the back and, on the convertible, a folding roof with its own hydraulics. Past a hundred thousand miles the list becomes fairly predictable. Here is what we take off the cars that come through our Texas yard.

1. Cooling: the plastic gives up before the metal

The thermostat housing and the electric water pump are the two parts every high-mileage E9x meets sooner or later. The pump is electronic, so it fails by degrees rather than all at once: a temperature gauge that takes its time, a fan that runs hard, a warning that comes and goes. Do not wait for the overheat — these are aluminium engines and a single bad afternoon is more expensive than the part.

In stock · Kaufman, TXBMW E92 328i Engine Motor Thermostat Housing 11537536655 OEM$66.40View part →

2. Frameless windows and their regulators

Both cars drop the glass slightly every time a door opens. That is thousands of extra cycles on the regulator and its motor, and the failure is usually the plastic guide rather than the motor itself — a window that jams, tilts in the frame or rattles at speed. Because the door seal depends on that short drop, a tired regulator also shows up as wind noise.

In stock · Kaufman, TXBMW E92 328i 335i Front Left Door Window Regulator Motor OEM$41.50View part →

3. The E93 roof: hydraulics, hinges and drains

The folding hardtop is three panels, a hydraulic pump, a set of hinges and a nest of microswitches. A roof that stops halfway is far more often a switch or a blocked drain than a failed pump — and blocked drains are what put water in the boot, where the electronics live. Clear them twice a year and the roof stays a pleasure instead of a project.

In stock · Kaufman, TXBMW E93 328i 335i Convertible Roof Folding Top Hydraulic Pump Harness OEM$66.40View part → In stock · Kaufman, TXBMW E93 328i 335i Convertible Left & Right Roof Top Lid Hinge Set OEM$249.00View part →

4. Rear suspension: the knock that arrives at a hundred thousand

Trailing arms and their bushings are the usual finding on an inspection: a knock over expansion joints, uneven rear tyre wear, a car that feels lazy changing direction. The arms are cheap next to the alignment work that follows, so it is worth doing both sides at once and setting the geometry afterwards.

In stock · Kaufman, TXBMW E92 328i 335i 128i Rear Lower Trailing Control Arm OEM$37.35View part →

5. Adaptive xenon lighting

If the car has adaptive xenons, a light that flickers, turns pink, or refuses to swivel is usually a ballast or a control module rather than the headlight unit. Test the electronics first: the module costs a fraction of an assembly, and a cracked, fogged headlight is a different problem with a different answer.

In stock · Kaufman, TXBMW E93 328i 335i Adaptive Xenon Headlight Lamp Control Module Set OEM$83.00View part →

6. Which engine you have changes the list

The naturally aspirated N51 and N52 cars are the simpler ownership: gaskets, the water pump, ignition parts. The turbocharged N54 and N55 cars add a high-pressure fuel system and the wastegate hardware that comes with it. Neither is a reason to avoid the car — but a service history that mentions fuel pumps and injectors is worth paying extra for.

In stock · Kaufman, TXBMW E93 328i N52 Engine Motor Fuel Injector Rail w/ Injector OEM$74.70View part →

Cannot find the part you need?

We part out E92 and E93s as they arrive, so a piece missing from the site today may already be on the shelf. Send your VIN or call +1 (903) 914-0004 and we will match the exact OEM part for your car before you pay for it. Most of the mechanical parts are shared with the saloon — see our E90 3 Series guide.