[EstorilBlueZ]

I've recently bought a very nice, low mileage Dravit Grey M Sport G21 330d that's fitted with a BMW electric tow-hitch. I'd really like to upgrade the rear bumper to have the M340 look diffuser and tailpipes.

I've heard it suggested that this is not possible with the tow-hitch, although I recently found a BMW document that suggests this may be possible by cutting one of the diffuser lugs off. Does anyone out there have any experience of carrying out this modification on a tow-hitch equipped car? Or perhaps fitting a tow-hitch to a M340?

[N44RTT]

I am assuming you refer to the M Performance diffuser, as the standard diffuser on the M340 is no different in style (tailpipe cut-outs obviously are). In that case you can fit the OEM M Performance diffuser or an identical aftermarket replica with no issues.
I have an M340 with towbar and fitted an aftermarket M Performance diffuser replica with no issues. As you might have already seen, there is very little clearance between diffuser/towbar. If you go for an aftermarket diffuser that has a different design or slightly larger fins or fits deeper on the underside it won't fit.

[Jimbon1973]

Originally Posted by EstorilBlueZ

I've recently bought a very nice, low mileage Dravit Grey M Sport G21 330d that's fitted with a BMW electric tow-hitch. I'd really like to upgrade the rear bumper to have the M340 look diffuser and tailpipes.

I've heard it suggested that this is not possible with the tow-hitch, although I recently found a BMW document that suggests this may be possible by cutting one of the diffuser lugs off. Does anyone out there have any experience of carrying out this modification on a tow-hitch equipped car? Or perhaps fitting a tow-hitch to a M340?

N44RT- what diffuser did you get in the end?
Any pics?
I've got the OEM roof spoiler and want to get a diffuser to match.

[N44RTT]

Originally Posted by Jimbon1973

N44RT- what diffuser did you get in the end?
Any pics?

I've got the OEM roof spoiler and want to get a diffuser to match.

I got this one from Carbon Factory. It's an identical replica of the M Performance one but with all the fins, as per the carbon insert version of the M Performance one. Good fit and look, happy with it.

I now have a full kit in gloss black (incl. OEM roof spoiler) but sourced from different places for a variety of reasons.

Not the best angle for diffuser, but only one I have.

[Jimbon1973]

That's perfect, all i needed to see! Thank you

[Gaffer18]

Originally Posted by N44RTT

I've got the OEM roof spoiler and want to get a diffuser to match.

I got this one from Carbon Factory. It's an identical replica of the M Performance one but with all the fins, as per the carbon insert version of the M Performance one. Good fit and look, happy with it.

I now have a full kit in gloss black (incl. OEM roof spoiler) but sourced from different places for a variety of reasons.

Not the best angle for diffuser, but only one I have.

Looks great. Does the factory towbar still function with this? I got a Maxton design diffuser but it didn't allow deployment of the towbar and would require too much to be cut away so ended up returning it but still on the look for an alternative which is compatible with the factory towbar.
Cheers