Found the E90 320d replacing the E82 120d

M3boi

Well-known member
After a tiring week of chasing fuel efficiency and keeping my average speeds between 90–100 km/h, this is the estimated range I got after filling up. Absolutely insane. Reassuring to see that this is the kind of distance I can cover when driving frugally.

Anyone seen a higher range on a 20d?

The most I've seen in the 20d is 1250km. In general CBD traffic driving with very little highway driving I get 950-1000km on a tank.
 

DRCraig

Well-known member
The most I've seen in the 20d is 1250km. In general CBD traffic driving with very little highway driving I get 950-1000km on a tank.
It's a given , yes. 99% of my commute is open road with minimal traffic. Cpt traffic? We all know. Have you done the necessary deletes?
 

DRCraig

Well-known member
Not yet. I'm sticking to "if it ain't broke, don't fix it" for now 😅
100%. If you still have an active EGR, I'd recommend an intake manifold clean. Mine was filled with carbon gunk because I only did the delete around the 200k km mark.
 

DRCraig

Well-known member
Update time

I posted about a rotten egg smell in the battery compartment a few days ago. It turned out to be hydrogen sulfide from the battery itself due to it being overcharged by the alternator.

New alternator fitted today and everything seems back to normal. Will still monitor the battery closely hoping it didn't take damage.

On another note. Whilst the alternator was removed, the technician had a chance to properly clean my intake manifold, throttle body etc. Was surprise at the amount of carbon and sludge in said parts.

The car is on 237 000km now and I deleted the egr around the 200 000km mark. So, carbon build-up most probably occured prior to that.

Other than that. No complaints, 320d all day.

Attached are some before and after pics.
Note.
 

MintSauce

Member
100%. If you still have an active EGR, I'd recommend an intake manifold clean. Mine was filled with carbon gunk because I only did the delete around the 200k km mark.
The EGR delete is something I've questioned more deeply, after doing mine. I had it done at 185000km when I bought the vehicle.
We replaced the intake manifold gasket, which houses the swirl flaps, to make absolutely sure they're good as new, and cleaned the intake manifold.

Considering the cost of the delete (labour + software) is more than parts & labour to replace the swirl flaps and clean the manifold, I've questioned whether it's worth doing the delete.

Is it not better keeping it stock and just replacing the swirl flaps and cleaning the manifold every 200000km?
 

DRCraig

Well-known member
Update – 04/06/26

The F30 is sold, so the E90 is now racking up mileage a bit quicker than before. Not that I’m complaining though — I genuinely enjoy being behind the wheel of it.

Looks like I'm taking the E90 to well above 300 000km as my wife and I commited to tackling the bond in the next year or so.

She is still getting used to the hydraulic steering after all these years, but even she has commented that the E90 feels sharper and more direct than the F30 (non MSport)

After an extensive search for decently priced, quality runflats, I’ve decided to make a change I probably should have done a long time ago.

I’ve switched over to non-runflat tyres and replaced all four corners with Continental ContiSportContact 5 tyres.

In addition, my rear shocks were completely worn out. I’ve replaced both rear shock absorbers with Bilstein B4 units, along with new upper and lower shock mounts.

Car also had an oil service and the entire cooling system was flushed and refilled.

I’m looking forward to the drive home and will report back. I’m expecting a noticeably softer, quieter, and more refined ride overall.

Any comments welcome

Regards
 

DRCraig

Well-known member
Some feedback

The cabin is noticeably quieter, especially at highway speeds, and the ride is more comfortable. Instead of crashing through bumps and road imperfections, it feels like the suspension can finally do its job and absorb them properly.

The front end also feels lighter and more eager to turn in. Runflats are about 3kg heavier per tyre.

Still firmness to the ride due to 18s and low profile tyres, but I do feel improvement.

Bought tyre sealant and repair kit coupled with an electric air compressor. Should cater for an emergecy.

I'm glad I ditched them runflats.
 

Alli26

New member
So glad that there are other N47 fans here that simply love being behind the wheel of these beauts. I can never understand all the horror reviews out there.

279k, still going strong, tuned, oil done every 6.5k, coolant with every 2nd service. Walking towards my E82 after a long day at the office still excites me! There's something extraordinarily satisfying about staying on top of maintenance.
 

DRCraig

Well-known member
Howzit Fanatics

It’s been about 3 months since selling the F30, and honestly, I’m not looking back. The E90 has turned out to be such a ballsy, cheap-to-run car to own. For what it is and what it costs to run, it really is hard to fault.

First proper road trip with the non-runflats this weekend, and I can safely say I’m not going back to runflats. The difference in road noise and ride comfort is massive. Much quieter on the highway and noticeably softer over the rough stuff.

We took a trip up to Namakwaland on Friday. Left Velddrif on the West Coast at around 1pm, with GPS showing roughly 5 hours and 30min of driving time, excluding stops. Check-in at the guest house was only until 6pm, so we had to make some decent progress.

Two passengers, boot absolutely packed to the brim with everything needed to sustain 2 days on a farm, and tyres set at 2.3 bar front and 2.6 bar rear.

First stop was Piketberg on the N7 to fill up, and from there we pushed all the way through to Garies.

The car averaged around 6.2 L/100km up until Garies, with a somewhat illegal average speeds and a few foot-flat overtakes here and there.

One of the best things about these diesel BMWs is that even when the car is properly loaded with passangers and luggage, the torque just makes overtaking feel effortless.

From Springbok we traveled 10km east. Google Maps showed a 3km gravel section, so I took it very carefully, around 5-10km/h in some places. There were a few sections with fairly bad corrugations, and obviously I wasn’t going to smash a 15-year-old BMW down a farm road just to save a few minutes.

The Namakwaland itself is a real treat this time of year. The serenity and solitude are honestly impeccable. After spending most of your time around traffic, people and the general chaos of everyday life, being somewhere where it’s just open land, mountains and absolute silence is something else.

On the trip back I decided to stick strictly to the speed limit. The N7 was pretty empty and there weren’t many trucks and cars to overtake, so the average consumption dropped nicely to around 5.5L/100km.

And once again, the old girl proved herself.

15 years old. 267xxxkm. Worth 10% of the value of a brand new 320d. I think I'm going to drive this car until the wheels fall off (that's how I'm feeling now at least).

Thanks to reading
 

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unobeat

Member
Awesome write up and feedback about E90 320d.

Just a question, do you prefer E90 compared to F30 ?

Sent from my SM-A307FN using Tapatalk
 

DRCraig

Well-known member
Awesome write up and feedback about E90 320d.

Just a question, do you prefer E90 compared to F30 ?

Sent from my SM-A307FN using Tapatalk
Both are awesome. E90 feels raw and mechanical- a feeling I prefer.

Would love to get the feel of a MSport F30 to fairly compare.
 

Nishcat_M140i

///Member
Awesome write up bud.

As an F30 Owner, I would say the E90 was definitely the better 3er in terms of handling.

Any plans to switch over to a set of OEM Xenons eventually ?
 

1 Eyed Monkey

Active member
I wont lie, my behind has been itching for a F30 20d, so reading this puts my mind at ease about my E90.

Granted, I haven't driven mine in 2 and a half months...
 
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