[oldbilly]

Originally Posted by oldbilly

An update, I had the codes read and cleared on Friday and was going to have them read again later in the week, so drove back home Friday and Yesterday decided to clean the abs speed sensors which took about an hour and its been fine for the last 20 miles no error codes up and none stored usually it throw codes less than 2 miles after 1st start up, drove it 5 miles this morning and nothing at all so hopefully a result.

well its been 5 days since cleaning the abs speed sensors, the car has been used everyday since, 3 days on a 50 mile run, the lights came on once on return journey (Monday) but have not been on since so I'm convinced its one of the abs speed sensors that's dodgy.

[F31-340i]

Update:

Car is at a main BMW dealer now.

Quoted work is:

1. Additional Water Pump (114EUR) - is this a common failure?
2. "Palpeur de vitesse" this translates as speed sensor, but the part no. (34526762769) - suggests this is the famous ABS hydro unit (463EUR)
3. Cable IBS (135EUR)
4. Alternator (551EUR)

Plus bits and bobs and labour...

Quote also states "subject to damage of other pieces caused by over voltage (16v)". Oh dear. Fingers crossed!

I've asked if its definately all the issues, as I'm concerned that its just the alternator giving spurious faults. I guess from the posts above if the alternator has gone faulty it will likely have damaged the IBS.

[oldbilly]

After replacing the battery and checking the ibs cable the lights abs, dtc, run flat and red cog continuing to come on everyday after about 2/3 miles so I brought a front and rear abs sensor one of each and fitted the n/s rear sensor 1st but the lights were still activating, fitted the n/s front sensor and completed a 130 mile round trip with the car left overnight before the return and no lights, next day the lights came up once, went out this morning 50 mile trip nothing at all runs lovely.
I cleared the codes last Saturday and checked for any codes tonight with a Peake Research code reader and its showing no codes at all, where as before I had 18 codes, seems very strange.

[tmarshall57]

Originally Posted by ///ajd

Update:

Car is at a main BMW dealer now.

Quoted work is:

1. Additional Water Pump (114EUR) - is this a common failure?
2. "Palpeur de vitesse" this translates as speed sensor, but the part no. (34526762769) - suggests this is the famous ABS hydro unit (463EUR)
3. Cable IBS (135EUR)
4. Alternator (551EUR)

Plus bits and bobs and labour...

Quote also states "subject to damage of other pieces caused by over voltage (16v)". Oh dear. Fingers crossed!

I've asked if its definately all the issues, as I'm concerned that its just the alternator giving spurious faults. I guess from the posts above if the alternator has gone faulty it will likely have damaged the IBS.

I've had the "additional water pump" fault. This is a small electric pump on the RHS of the engine bay when looking from the front of the car. Simple to replace and £30 from a local breaker. The pump circulates coolant more efficiently at low speeds/idle and enables the REST function to operate.

[F31-340i]

Back from garage, all working well. The bill smarted a bit but never mind.

I had the gearbox ATF fluid changed at the same time - including a new pan/filter/mechatronic sleeve etc. - I must admit it feels much smoother than it used to, the slightly heavy changes have gone and it feels like it used to.

Car has 105,000 miles - its been said many times, but it does seem an ATF change is a good idea on these cars, ignore the "filled for life" official line.